074213fl Citadel

Copyright 2000 AIA MASTERSPEC 8/00 (R 08/03) (R 05/05)PRODUCT MASTERSPEC LICENSED BY ARCOM TO CITADEL ARCHITECTURAL PRODUCTS

SECTION 074213 - METAL WALL PANELS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes the following:

1. Factory-formed and field-assembled, [exposed] [concealed]-fastener, lap-seam metal wall panels[ with metal liner panels].

2. Factory-formed and -assembled, [foamed-insulation] [laminated-insulation] [honeycomb]-core metal wall panels.

3. Metal-plate wall panels.4. Metal-faced composite material (MCM) wall panels.

B. Related Sections include the following:

1. Division 05 Section "Cold-Formed Metal Framing" for secondary support framing supporting metal wall panels.

2. Division 07 Section "Metal Roof Panels" for factory-formed metal soffit panels.3. Division 07 Section "Sheet Metal Flashing and Trim" for [fasciae,] [copings,] flashings

and other sheet metal work not part of metal wall panel assemblies.4. Division 07 Section "Roof Specialties" for [fasciae] [and] [copings] not part of metal

wall panel assemblies.5. Division 07 Section "Joint Sealants" for field-applied sealants not otherwise specified in

this Section.

1.3 DEFINITIONS

A. Metal Wall Panel Assembly: Metal wall panels, attachment system components, miscellaneous metal framing, thermal insulation, and accessories necessary for a complete weathertight system.

B. Steel Sheet Thickness: Minimum thickness of base metal without metallic coatings or painted finishes.

METAL WALL PANELS 074213 - 1


1.4 PERFORMANCE REQUIREMENTS

A. General: Provide metal wall panel assemblies that comply with performance requirements specified as determined by testing manufacturers' standard assemblies similar to those indicated for this Project, by a qualified testing and inspecting agency.

B. Air Infiltration: Air leakage through assembly of not more than [0.06 cfm/sq. ft. (0.3 L/s per sq. m)] <Insert rate> of wall area when tested according to ASTM E 283 at a static-air-pressure difference of [6.24 lbf/sq. ft. (300 Pa)] <Insert pressure difference>.

C. Water Penetration: No water penetration when tested according to ASTM E 331 at a minimum differential pressure of [20] <Insert number> percent of inward-acting, wind-load design pressure of not less than [6.24 lbf/sq. ft. (300 Pa)] <Insert pressure difference> and not more than 12 lbf/sq. ft. (575 Pa).

D. Water Penetration: No evidence of water leakage when tested according to AAMA 501.1 under dynamic pressure equal to 20 percent of inward-acting, wind-load design pressure of not less than [6.24 lbf/sq. ft. (300 Pa)] <Insert pressure difference> and not more than 12 lbf/sq. ft. (575 Pa).

1. Water Leakage: As defined according to AAMA 501.1.2. Water Leakage: Uncontrolled water infiltrating the system or appearing on system's

normally exposed interior surfaces from sources other than condensation. Water controlled by flashing and gutters that is drained back to the exterior and cannot damage adjacent materials or finishes is not water leakage.

E. Water Absorption: Maximum 1.0 percent absorption rate by volume when tested according to ASTM C 209.

F. Structural Performance: Provide metal wall panel assemblies capable of withstanding the effects of gravity loads and the following loads and stresses within limits and under conditions indicated, based on testing according to [ASTM E 1592] [ASTM E 330]:

1. Wind Loads: Determine loads based on the following minimum design wind pressures:

a. Uniform pressure of <Insert number> lbf/sq. ft. (<Insert number> kN/sq. m), acting inward or outward.

b. Uniform pressure as indicated on Drawings.

2. Deflection Limits: Engineer metal wall panel assemblies to withstand test pressures with deflection no greater than [1/60] [1/180] [1/240] <Insert deflection limit> of the span and no evidence of material failure, structural distress, or permanent deformation exceeding 0.2 percent of the clear span.

a. Test Pressures: [150] <Insert number> percent of inward and outward wind-load design pressures.

G. Seismic Performance: Provide metal wall panel assemblies capable of withstanding the effects of earthquake motions determined according to [ASCE 7, "Minimum Design Loads for Buildings and Other Structures": Section 9, "Earthquake Loads."] <Insert applicable code requirement.>



H. Thermal Movements: Provide metal wall panel assemblies that allow for thermal movements resulting from the following maximum change (range) in ambient and surface temperatures by preventing buckling, opening of joints, overstressing of components, failure of joint sealants, failure of connections, and other detrimental effects. Base engineering calculation on surface temperatures of materials due to both solar heat gain and nighttime-sky heat loss.

1. Temperature Change (Range): 120 deg F (67 deg C), ambient; 180 deg F (100 deg C), material surfaces.

I. Thermal Movements for Metal-Faced Composite Wall Panels: Provide composite wall panel assemblies that allow for noiseless thermal movements resulting from the following range in ambient temperatures and that prevent buckling, opening of joints, overstressing of components, failure of joint sealants, failure of connections, and other detrimental effects:

1. Ambient Temperature Range: Minus 20 to plus 180 deg F (Minus 29 to plus 82 deg C).

J. Thermal Performance: Provide insulated metal wall panel assemblies with thermal-resistance value (R-value) indicated when tested according to ASTM C 236 or ASTM C 518.

1.5 SUBMITTALS

A. Product Data: Include construction details, material descriptions, dimensions of individual components and profiles, and finishes for each type of metal wall panel and accessory.

B. Shop Drawings: Show fabrication and installation layouts of metal wall panels; details of edge conditions, joints, panel profiles, corners, anchorages, attachment system, trim, flashings, closures, and accessories; and special details. Distinguish between factory- and field-assembled work.

1. Accessories: Include details of the following items, at a scale of not less than 1-1/2 inches per 12 inches (1:10):

a. Flashing and trim.b. Downspouts.

2. For installed products indicated to comply with design loads, include structural analysis data signed and sealed by the qualified professional engineer responsible for their preparation.

C. Coordination Drawings: Exterior elevations drawn to scale and coordinating penetrations and wall-mounted items. Show the following:

1. Wall panels and attachments.2. [Girts] [Stud framing].3. Wall-mounted items including doors, windows, louvers, and lighting fixtures.

D. Samples for Initial Selection: For each type of metal wall panel indicated with factory-applied color finishes.

1. Include similar Samples of trim and accessories involving color selection.



2. Include manufacturer's color charts consisting of strips of cured sealants showing the full range of colors available for each sealant exposed to view.

E. Samples for Verification: For each type of exposed finish required, prepared on Samples of size indicated below.

1. Metal [Wall] [Soffit] [Wall and Soffit] Panels: 12 inches (300 mm) by 12 inches (300 mm) long by actual panel width. Include fasteners, closures, and other metal wall panel accessories.

a. Include four-way joint for composite panels.

2. Translucent Panels: 12 inches (300 mm) long by actual panel width.3. Trim and Closures: 12 inches (300 mm) long. Include fasteners and other exposed

accessories.4. Vapor Retarders: 6-inch- (150-mm-) square Samples.5. Accessories: 12-inch- (300-mm-) long Samples for each type of accessory.6. Exposed Gaskets: 12 inches (300 mm) long.7. Exposed Sealants: For each type and color of joint sealant required. Install joint sealants

in 1/2-inch- (13-mm-) wide joints formed between two 6-inch- (150-mm-) long strips of material matching the appearance of metal wall panels adjacent to joint sealants.

F. Qualification Data: For [Installer] [manufacturer] [professional engineer] [testing agency].

G. Material Certificates: For [thermal insulation] [and] [vapor retarders], signed by manufacturers.

H. Compatibility and Adhesion Test Reports: From sealant manufacturer indicating the following:

1. Materials forming joint substrates and joint sealant backings have been tested for compatibility and adhesion with joint sealants.

2. Interpretation of test results and written recommendations for primers and substrate preparation needed for adhesion.

I. Field quality-control test reports.

J. Product Test Reports: Based on evaluation of comprehensive tests performed by a qualified testing agency, for the following:

1. Metal [Wall] [Soffit] [Wall and Soffit] Panels: Include reports for air infiltration, water penetration, [thermal performance,] [fire-test-response characteristics,] and structural performance.

2. Insulation and Vapor Retarders: Include reports for thermal resistance, fire-test-response characteristics, water-vapor transmission, and water absorption.

K. Research/Evaluation Reports: For metal-faced composite material (MCM) wall panels.

L. Maintenance Data: For metal wall panels to include in maintenance manuals.

M. Warranties: Special warranties specified in this Section.



1.6 QUALITY ASSURANCE

A. Manufacturer Qualifications: ISO 9001:2000 registered company.

B. Installer Qualifications: A firm having at least five years experience in installing metal wall panel assembliesAn employer of workers trained and approved by manufacturer.

C. Installer Qualifications: Fabricator of metal-faced composite material (MCM) wall panels.

1. Installer's responsibilities include fabricating and installing metal wall panel assemblies and providing professional engineering services needed to assume engineering responsibility.

2. Engineering Responsibility: Preparation of Shop Drawings and comprehensive engineering analysis by a qualified professional engineer.

3. Engineering Responsibility: Preparation of data for metal wall panels, including Shop Drawings, based on testing and engineering analysis of manufacturer's standard units in assemblies similar to those indicated for this Project.

D. Fabricator Qualifications: CertifiedApproved by metal-faced composite material (MCM) wall panel manufacturer to fabricate and install manufacturer's wall panel system.

E. Testing Agency Qualifications: Qualified according to ASTM E 329 for testing indicated, as documented according to ASTM E 548.

F. Source Limitations: Obtain each type of metal wall panel through one source from a single manufacturer.

G. Product Options: Drawings indicate size, profiles, and dimensional requirements of metal wall panels and are based on the specific system indicated. Refer to Division 01 Section "Product Requirements."

1. Do not modify intended aesthetic effects, as judged solely by Architect, except with Architect's approval. If modifications are proposed, submit comprehensive explanatory data to Architect for review.

H. Preconstruction Compatibility and Adhesion Testing: Submit to joint-sealant manufacturers, for testing indicated below, samples of materials that will contact or affect joint sealants.

1. Use manufacturer's standard test methods to determine whether priming and other specific joint preparation techniques are required to obtain rapid, optimum adhesion of joint sealants to joint substrates.

a. Perform tests under environmental conditions replicating those that will exist during installation.

2. Submit no fewer than nine pieces of each type of material, including joint substrates, shims, joint-sealant backings, secondary seals, and miscellaneous materials.

3. Schedule sufficient time for testing and analyzing results to prevent delaying the Work.4. For materials failing tests, obtain joint-sealant manufacturer's written instructions for

corrective measures, including the use of specially formulated primers.



I. Fire-Resistance Ratings: Where indicated, provide metal wall panels identical to those of assemblies tested for fire resistance per ASTM E 119 by a testing and inspecting agency acceptable to authorities having jurisdiction.

1. Combustion Characteristics: ASTM E 136.2. Fire-Resistance Ratings: Indicated by design designations from UL's "Fire Resistance

Directory" or from the listings of another testing and inspecting agency.3. Metal wall panels shall be identified with appropriate markings of applicable testing and

inspecting agency.

J. Surface-Burning Characteristics: Provide insulated metal wall panels having insulation-core materials with the following surface-burning characteristics as determined by testing identical products per ASTM E 84 by UL or another testing and inspecting agency acceptable to authorities having jurisdiction:

1. Flame-Spread Index: 25 or less, unless otherwise indicated.2. Smoke-Developed Index: 450 or less, unless otherwise indicated.

K. Mockups: Build mockups to verify selections made under sample Submittals and to demonstrate aesthetic effects[ and qualities of materials and execution].

1. Build mockup of typical corner wall panel[, including soffit,] as shown on Drawings; approximately 48 inches (1200 mm) square by full thickness, including insulation, supports, attachments, and accessories.

a. Include four-way joint for [metal-plate] [metal-faced composite] wall panels.

2. Approval of mockups is for other material and construction qualities specifically approved by Architect in writing.

3. Approval of mockups does not constitute approval of deviations from the Contract Documents contained in mockups unless such deviations are specifically approved by Architect in writing.

4. Approved mockups may become part of the completed Work if undisturbed at time of Substantial Completion.

L. Preliminary Siding Conference: Before starting wall [framing] [sheathing] [girt] construction, conduct conference at Project site. Comply with requirements for preinstallation conferences in Division 01 Section "Project Management and Coordination." Review methods and procedures related to wall [framing] [sheathing] [girt] construction and metal wall panels including, but not limited to, the following:

1. Meet with Owner, Architect, Owner's insurer if applicable, testing and inspecting agency representative, metal wall panel Installer, metal wall panel manufacturer's representative, structural-support Installer, and installers whose work interfaces with or affects metal wall panels including installers of doors, windows, and louvers.

2. Review and finalize construction schedule and verify availability of materials, Installer's personnel, equipment, and facilities needed to make progress and avoid delays.

3. Review methods and procedures related to metal wall panel installation, including manufacturer's written instructions.

4. Examine support conditions for compliance with requirements, including alignment between and attachment to structural members.



5. Review flashings, special siding details, wall penetrations, openings, and condition of other construction that will affect metal wall panels.

6. Review governing regulations and requirements for insurance, certificates, and tests and inspections if applicable.

7. Review temporary protection requirements for metal wall panel assembly during and after installation.

8. Review wall panel observation and repair procedures after metal wall panel installation.

M. Preinstallation Conference: Conduct conference at Project site to comply with requirements in Division 01 Section "Project Management and Coordination." Review methods and procedures related to metal wall panel assemblies including, but not limited to, the following:

1. Meet with Owner, Architect, Owner's insurer if applicable, testing and inspecting agency representative, metal wall panel Installer, metal wall panel manufacturer's representative, structural-support Installer, and installers whose work interfaces with or affects metal wall panels including installers of doors, windows, and louvers.

2. Review and finalize construction schedule and verify availability of materials, Installer's personnel, equipment, and facilities needed to make progress and avoid delays.

3. Review methods and procedures related to metal wall panel installation, including manufacturer's written instructions.

4. Examine support conditions for compliance with requirements, including alignment between and attachment to structural members.

5. Review flashings, special siding details, wall penetrations, openings, and condition of other construction that will affect metal wall panels.

6. Review governing regulations and requirements for insurance, certificates, and testing and inspecting if applicable.

7. Review temporary protection requirements for metal wall panel assembly during and after installation.

8. Review wall panel observation and repair procedures after metal wall panel installation.9. Document proceedings, including corrective measures and actions required, and furnish

copy of record to each participant.

1.7 DELIVERY, STORAGE, AND HANDLING

A. Deliver components, sheets, metal wall panels, and other manufactured items so as not to be damaged or deformed. Package metal wall panels for protection during transportation and handling.

B. Unload, store, and erect metal wall panels in a manner to prevent bending, warping, twisting, and surface damage.

C. Stack metal wall panels horizontally on platforms or pallets, covered with suitable weathertight and ventilated covering. Store metal wall panels to ensure dryness, with positive slope for drainage of water. Do not store metal wall panels in contact with other materials that might cause staining, denting, or other surface damage.

D. Store metal-faced composite wall panels vertically, covered with suitable weathertight and ventilated covering. Store metal-faced composite wall panels to ensure dryness, with positive slope for drainage of water. Do not store metal-faced composite wall panels in contact with



other materials that might cause staining, denting, or other surface damage. Do not allow storage space to exceed 120 deg F (49 deg C).

E. Protect strippable protective covering on metal wall panels from exposure to sunlight and high humidity, except to extent necessary for period of metal wall panel installation.

F. Protect foam-plastic insulation as follows:

1. Do not expose to sunlight, except to extent necessary for period of installation and concealment.

2. Protect against ignition at all times. Do not deliver foam-plastic insulation materials to Project site before installation time.

3. Complete installation and concealment of plastic materials as rapidly as possible in each area of construction.

1.8 PROJECT CONDITIONS

A. Weather Limitations: Proceed with installation only when existing and forecasted weather conditions permit assembly of metal wall panels to be performed according to manufacturers' written instructions and warranty requirements.

B. Field Measurements: Verify locations of structural members and wall opening dimensions by field measurements before metal wall panel fabrication and indicate measurements on Shop Drawings.

1. Established Dimensions: Where field measurements cannot be made without delaying the Work, either establish framing and opening dimensions and proceed with fabricating metal wall panels without field measurements, or allow for field trimming of panels. Coordinate wall construction to ensure that actual building dimensions, locations of structural members, and openings correspond to established dimensions.

1.9 COORDINATION

A. Coordinate metal wall panel assemblies with rain drainage work, flashing, trim, and construction of [girts,] [studs,] soffits, and other adjoining work to provide a leakproof, secure, and noncorrosive installation.

1.10 WARRANTY

A. Special Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace components of metal wall panel assemblies that fail in materials or workmanship within specified warranty period.

1. Failures include, but are not limited to, the following:

a. Structural failures, including rupturing, cracking, or puncturing.b. Deterioration of metals, metal finishes, and other materials beyond normal

weathering.



2. Warranty Period: [Two] <Insert number> years from date of Substantial Completion.

B. Special Warranty on Panel Finishes: Manufacturer's standard form in which manufacturer agrees to repair finish or replace metal wall panels that show evidence of deterioration of factory-applied finishes within specified warranty period.

1. Siliconized Polyester Finish: Deterioration includes, but is not limited to, the following:

a. Color fading more than 15 Hunter units when tested according to ASTM D 2244.b. Chalking in excess of a No. 2 rating when tested according to ASTM D 4214.c. Cracking, checking, peeling, or failure of paint to adhere to bare metal.

2. Fluoropolymer Finish: Deterioration includes, but is not limited to, the following:

a. Color fading more than 5 Hunter units when tested according to ASTM D 2244.b. Chalking in excess of a No. 8 rating when tested according to ASTM D 4214.c. Cracking, checking, peeling, or failure of paint to adhere to bare metal.

3. Finish Warranty Period: [20] [10] <Insert number> years from date of Substantial Completion.

C. Special Weathertightness Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace metal wall panel assemblies that fail to remain weathertight, including leaks, within specified warranty period.

1. Weathertight Warranty Period: [Five] [10] <Insert number> years from date of Substantial Completion.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. In other Part 2 articles where titles below introduce lists, the following requirements apply for product selection:

1. Available Products: Subject to compliance with requirements, products that may be incorporated into the Work include, but are not limited to, the products specified.

2. Products: Subject to compliance with requirements, provide one of the products specified.

3. Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated into the Work include, but are not limited to, the manufacturers specified.

4. Manufacturers: Subject to compliance with requirements, provide products by the manufacturers specified.

5. Basis-of-Design Products: The design for each metal wall panel specified is based on the product named. Subject to compliance with requirements, provide either the named product or a comparable product by one of the other manufacturers specified.



2.2 PANEL MATERIALS

A. Metallic-Coated Steel Sheet Prepainted with Coil Coating: Steel sheet metallic coated by the hot-dip process and prepainted by the coil-coating process to comply with ASTM A 755/A 755M.

1. Zinc-Coated (Galvanized) Steel Sheet: ASTM A 653/A 653M, G90 (Z275) coating designation; structural quality.

2. Aluminum-Zinc Alloy-Coated Steel Sheet: ASTM A 792/A 792M, Class AZ50 or AZ55 coating designation, Grade 40 (Class AZM150 or AZM165 coating designation, Grade 275); structural quality.

3. Surface: [Smooth, flat] [Embossed] finish.4. Exposed Finishes: Apply the following coil coating, as specified or indicated on

Drawings.

a. Siliconized-Polyester Coating: Epoxy primer and silicone-modified, polyester-enamel topcoat; with a dry film thickness of not less than 0.2 mil (0.005 mm) for primer and 0.8 mil (0.02 mm) for topcoat.

b. High-Performance Organic Finish: Prepare, pretreat, and apply coating to exposed metal surfaces to comply with coating and resin manufacturers' written instructions.

1) Fluoropolymer Two-Coat System: Manufacturer's standard two-coat, thermocured system consisting of specially formulated inhibitive primer and fluoropolymer color topcoat containing not less than 70 percent polyvinylidene fluoride resin by weight; complying with physical properties and coating performance requirements of AAMA [2604] [2605], except as modified below:

a) Humidity Resistance: [1000] [2000] hours.b) Salt-Spray Resistance: [1000] [2000] hours.

2) Fluoropolymer Three-Coat System: Manufacturer's standard three-coat, thermocured system consisting of specially formulated inhibitive primer, fluoropolymer color coat, and clear fluoropolymer topcoat, with both color coat and clear topcoat containing not less than 70 percent polyvinylidene fluoride resin by weight, with a minimum total dry film thickness of 1.5 mil (0.038 mm); complying with physical properties and coating performance requirements of AAMA 2605, except as modified below:

a) Humidity Resistance: [1000] [2000] hours.b) Salt-Spray Resistance: [1000] [2000] hours.

c. Plastisol: Epoxy primer and vinyl plastisol topcoat; with a dry film thickness of not less than 0.2 mil (0.005 mm) for primer and 3.8 mil (0.97 mm) for topcoat.

5. Concealed Finish: Apply pretreatment and manufacturer's standard white or light-colored acrylic or polyester backer finish, consisting of prime coat and wash coat with a minimum total dry film thickness of 0.5 mil (0.013 mm).



B. Aluminum Sheet: Coil-coated sheet, ASTM B 209 (ASTM B 209M), [alclad alloy 3003, 3004, or 3105 for painted finishes] [and] [alloy 5005 for anodic finishes] [alloy as standard with manufacturer], with temper as required to suit forming operations and structural performance required.

1. Alternative alloys include the following:

a. Alclad Alloy 3003: H14, H16, H24, or H26 temper.b. Alclad Alloy 3004: H22, H24, H32, or H34 temper.c. Alloy 3105: H14, or H16, or H24 temper.d. Alloy 5005: H14, H16, H24, H26, H34, or H36 temper.

2. Surface: [Smooth, flat] [Embossed] finish.3. Exposed Finishes: Apply the following coating, as specified or indicated on Drawings.

a. Siliconized-Polyester Coating: Epoxy primer and silicone-modified, polyester-enamel topcoat; with a dry film thickness of not less than 0.2 mil (0.005 mm) for primer and 0.8 mil (0.02 mm) for topcoat.

b. Class II, Clear Anodic Finish: AA-M12C22A31 (Mechanical Finish: nonspecular as fabricated; Chemical Finish: etched, medium matte; Anodic Coating: Architectural Class II, clear coating 0.010 mm or thicker) complying with AAMA 611.

c. Class I, Clear Anodic Finish: AA-M12C22A41 (Mechanical Finish: nonspecular as fabricated; Chemical Finish: etched, medium matte; Anodic Coating: Architectural Class I, clear coating 0.018 mm or thicker) complying with AAMA 611.

d. Class II, Color Anodic Finish: AA-M12C22A32/A34 (Mechanical Finish: nonspecular as fabricated; Chemical Finish: etched, medium matte; Anodic Coating: Architectural Class II, integrally colored or electrolytically deposited color coating 0.010 mm or thicker) complying with AAMA 611.

e. Class I, Color Anodic Finish: AA-M12C22A42/A44 (Mechanical Finish: nonspecular as fabricated; Chemical Finish: etched, medium matte; Anodic Coating: Architectural Class I, integrally colored or electrolytically deposited color coating 0.018 mm or thicker) complying with AAMA 611.

f. High-Performance Organic Finish: AA-C12C42R1x (Chemical Finish: cleaned with inhibited chemicals; Chemical Finish: acid-chromate-fluoride-phosphate conversion coating; Organic Coating: as specified below). Prepare, pretreat, and apply coating to exposed metal surfaces to comply with coating and resin manufacturers' written instructions.

1) Fluoropolymer Two-Coat System: Manufacturer's standard two-coat, thermocured system consisting of specially formulated inhibitive primer and fluoropolymer color topcoat containing not less than 70 percent polyvinylidene fluoride resin by weight; complying with AAMA [2604] [2605].

2) Fluoropolymer Three-Coat System: Manufacturer's standard three-coat, thermocured system consisting of specially formulated inhibitive primer, fluoropolymer color coat, and clear fluoropolymer topcoat, with both color coat and clear topcoat containing not less than 70 percent polyvinylidene fluoride resin by weight, with a minimum total dry film thickness of 1.5 mil (0.038 mm); complying with AAMA 2605.



g. Plastisol: Epoxy primer and vinyl plastisol topcoat; with a dry film thickness of not less than 0.2 mil (0.005 mm) for primer and 3.8 mil (0.97 mm) for topcoat.

4. Concealed Finish: Apply pretreatment and manufacturer's standard white or light-colored acrylic or polyester backer finish, consisting of prime coat and wash coat with a minimum total dry film thickness of 0.5 mil (0.013 mm).

C. Copper Sheet: ASTM B 370, cold-rolled copper sheet, H00 temper.

1. Exposed Finish: Mill.2. Exposed Finishes: Finish designations prefixed by CDA comply with the system

established by the Copper Development Association for designating copper-alloy finish systems.

a. Brushed Satin: CDA M32-06x (Mechanical Finish: directionally textured, medium satin; Coating: clear organic, air drying, as specified below):

b. Mirror Polished: CDA M22-06x (Mechanical Finish: buffed, specular; Coating: clear organic, air drying, as specified below):

1) Clear, Organic Coating: Clear, air-drying, acrylic lacquer specially developed for coating copper-alloy products, applied by air spray in two coats per manufacturer's written instructions, with interim drying, to a total thickness of 1 mil (0.025 mm).

a) Product: Subject to compliance with requirements, provide "Incralac" developed by International Copper Research Corporation.

D. Stainless-Steel Sheet: ASTM A 666, Type 304 or Type 316L, fully annealed.

1. Exposed Finishes:

a. Surface: [Smooth, flat] [Embossed] finish.b. Bright, Directional Polish: No. 4 finish. Remove tool and die marks and stretch

lines or blend into finish. Grind and polish surfaces to produce uniform, directionally textured, polished finish indicated, free of cross scratches. Run grain with long dimension of each piece. When polishing is completed, passivate and rinse surfaces. Remove embedded foreign matter and leave surfaces chemically clean.

E. Aluminum Extrusions: ASTM B 221 (ASTM B 221M), alloy and temper recommended by manufacturer for type of use and finish indicated.

F. Panel Sealants:

1. Sealant Tape: Pressure-sensitive, 100 percent solids, gray polyisobutylene compound sealant tape with release-paper backing. Provide permanently elastic, nonsag, nontoxic, nonstaining tape 1/2 inch (13 mm) wide and 1/8 inch (3 mm) thick.

2. Joint Sealant: ASTM C 920; elastomeric polyurethane, polysulfide, or silicone sealant; of type, grade, class, and use classifications required to seal joints in metal wall panels and remain weathertight; and as recommended in writing by metal wall panel manufacturer.



3. Butyl-Rubber-Based, Solvent-Release Sealant: ASTM C 1311.

2.3 THERMAL INSULATION FOR FIELD-ASSEMBLED METAL WALL PANELS

A. Refer to Division 07 Section "Thermal Insulation."

B. Unfaced, Polyisocyanurate Board Insulation: ASTM C 591, Type II, compressive strength of 35 psi (240 kPa), with maximum flame-spread and smoke-developed indexes of 75 and 450, respectively, based on tests performed.

C. Faced, Polyisocyanurate Board Insulation: ASTM C 1289, Type [I (foil facing), Class 1 or 2] [II (asphalt felt or glass-fiber mat facing)], with maximum flame-spread and smoke-developed indexes of 75 and 450, respectively, based on tests performed on unfaced core.

D. Extruded-Polystyrene Board Insulation: ASTM C 578, Type IV, 1.60-lb/cu. ft. (26-kg/cu. m) minimum density, unless otherwise indicated; with maximum flame-spread and smoke-developed indexes of 75 and 450, respectively.

E. Molded-Polystyrene Board Insulation: ASTM C 578, Type [I, 0.9 lb/cu. ft. (15 kg/cu. m)] [II, 1.35 lb/cu. ft. (22 kg/cu. m)], with maximum flame-spread and smoke-developed indexes of 75 and 450, respectively.

F. Unfaced, Glass-Fiber Board Insulation: ASTM C 612, Type IA or Types IA and IB; with maximum flame-spread and smoke-developed indexes of 25 and 50, respectively; and with a nominal density of 3 lb/cu. ft. (48 kg/cu. m) and thermal resistivity of 4.3 deg F x h x sq. ft./Btu x in. at 75 deg F (29.8 K x m/W at 24 deg C).

G. Metal Building Insulation: [ASTM C 991, Type I, or NAIMA 202] [ASTM C 991, Type II], glass-fiber-blanket insulation; 0.5-lb/cu. ft. (8-kg/cu. m) density; 2-inch- (50-mm-) wide, continuous, vapor-tight edge tabs; and with a flame-spread index of 25 or less.

H. Mineral-Fiber-Blanket Insulation: ASTM C 665, type indicated below; consisting of fibers manufactured from [glass, slag wool, or rock wool] [glass] [slag or rock wool].

1. Type I (blankets without membrane covering), passing ASTM E 136 for combustion characteristics.

2. Type II (blankets with nonreflective membrane covering), Category 1 (membrane is a vapor retarder), Class A (membrane-faced surface with a flame-spread index of 25 or less).

3. Type III (blankets with reflective membrane covering, Category 1 (membrane is a vapor retarder), Class A (membrane-faced surface with a flame-spread index of 25 or less).

I. Vapor-Retarder Facing: ASTM C 1136, with permeance not greater than 0.02 perm (1.15 ng/Pa x s x sq. m) when tested according to ASTM E 96, Desiccant Method:

1. Composition: Polypropylene faced, scrim reinforced, and kraft-paper backing.2. Composition: Foil faced, scrim reinforced, and kraft-paper backing with vapor-retarder

coating.3. Composition: Polypropylene faced, scrim reinforced, and foil backing.4. Composition: Vinyl faced, scrim reinforced, and foil backing.



5. Composition: Vinyl faced, scrim reinforced, and polyester backing.6. [Available ]Manufacturers:

a. CGI Silvercote, Inc.b. Lamtec Corporation.c. Mizell Bros. Co.d. <Insert manufacturer's name.>

J. Retainer Strips: 0.019-inch- (0.5-mm-) thick, formed, galvanized steel or PVC retainer clips colored to match insulation facing.

2.4 THERMAL INSULATION FOR FACTORY-ASSEMBLED METAL WALL PANELS

A. Isocyanurate Insulation: Modified isocyanurate foam using a non-CFC blowing agent, board or foamed-in-place type as indicated, with maximum flame-spread and smoke-developed indexes of 25 and 450, respectively.

1. Closed-Cell Content: 90 percent when tested according to ASTM D 2856.

B. Extruded-Polystyrene Board Insulation: ASTM C 578, Type IV, 1.60-lb/cu. ft. (26-kg/cu. m) minimum density, unless otherwise indicated; with maximum flame-spread and smoke-developed indexes of 75 and 450, respectively.

C. Molded-Polystyrene Board Insulation: ASTM C 578, Type [I, 0.9 lb/cu. ft. (15 kg/cu. m)] [II, 1.35 lb/cu. ft. (22 kg/cu. m)], with maximum flame-spread and smoke-developed indexes of 75 and 450, respectively.

2.5 SUBSTRATE BOARDS

A. Gypsum Board: Type X, of thickness indicated, ASTM C 442 or ASTM C 36.

B. Glass-Mat Gypsum Sheathing Board: ASTM C 1177/C 1177M.

1. Type and Thickness: [Regular, 1/2 inch (13 mm)] [Type X, 5/8 inch (16 mm)].2. Product: Subject to compliance with requirements, provide "Dens-Glass Gold" by

Georgia-Pacific Corporation.

C. Substrate-Board Fasteners: Factory-coated steel fasteners and metal or plastic plates complying with corrosion-resistance provisions in FMG 4470, designed for fastening substrate board to substrate.

2.6 MISCELLANEOUS METAL FRAMING

A. Steel Sheet Components, General: Complying with ASTM C 645 requirements for metal and with [ASTM A 653/A 653M, G40 (Z120), hot-dip galvanized] [ASTM A 653/A 653M, G60 (Z180), hot-dip galvanized] [manufacturer's standard corrosion-resistant] zinc coating.



B. Subgirts: C- or Z-shaped sections fabricated from 0.0598-inch (1.5-mm) bare steel thickness, shop-painted, cold-formed, metallic-coated steel sheet.

C. Zee Clips: 0.079-inch (2.0-mm) bare steel thickness, cold-formed, galvanized steel sheet.

D. Base or Sill [Angles] [Channels]: 0.079-inch (2.0-mm) bare steel thickness, cold-formed, galvanized steel sheet.

E. Hat-Shaped, Rigid Furring Channels: ASTM C 645.

1. Minimum Base Metal Thickness: [As indicated] [0.0179 inch (0.45 mm)] [0.0312 inch (0.79 mm)] <Insert thickness>.

2. Depth: [As indicated] [7/8 inch (22 mm)] [1-1/2 inches (38 mm)].

F. Cold-Rolled Furring Channels: 0.0538-inch (1.37-mm) bare steel thickness, with minimum 1/2-inch- (13-mm-) wide flange.

1. Depth: [As indicated] [3/4 inch (19 mm)] <Insert depth>.2. Furring Brackets: Adjustable, corrugated-edge type of steel sheet with minimum bare

steel thickness of 0.0312 inch (0.79 mm).3. Tie Wire: ASTM A 641/A 641M, Class 1 zinc coating, soft temper, 0.0625-inch- (1.59-

mm-) diameter wire, or double strand of 0.0475-inch- (1.21-mm-) diameter wire.

G. Z-Shaped Furring: With slotted or nonslotted web, face flange of 1-1/4 inches (32 mm), wall attachment flange of 7/8 inch (22 mm), minimum bare metal thickness of 0.0179 inch (0.45 mm), and depth required to fit insulation thickness indicated.

H. Fasteners for Metal Framing: Of type, material, size, corrosion resistance, holding power, and other properties required to fasten steel members to substrates.

2.7 MISCELLANEOUS MATERIALS

A. Fasteners: Self-tapping screws, bolts, nuts, self-locking rivets and bolts, end-welded studs, and other suitable fasteners designed to withstand design loads. Provide exposed fasteners with heads matching color of metal wall panels by means of plastic caps or factory-applied coating.

1. Fasteners for Wall Panels: Self-drilling or self-tapping, zinc-plated, hex-head carbon-steel screws, with a stainless-steel cap or zinc-aluminum-alloy head and EPDM or neoprene sealing washer.

2. Fasteners for Wall Panels: Self-drilling or self-tapping 410 stainless or zinc-alloy steel hex washer head, with EPDM or PVC washer under heads of fasteners bearing on weather side of metal wall panels.

3. Exposed Fasteners for Composite Panels: Stainless steel.4. Fasteners for Flashing and Trim: Blind fasteners or self-drilling screws with hex washer

head.5. Blind Fasteners: High-strength aluminum or stainless-steel rivets.

B. Bituminous Coating: Cold-applied asphalt mastic, SSPC-Paint 12, compounded for 15-mil (0.4-mm) dry film thickness per coat. Provide inert-type noncorrosive compound free of asbestos fibers, sulfur components, and other deleterious impurities.



C. Backer Board: Hardboard complying with AHA A135.4, Class 1 tempered, [1/8 inch (3 mm)] [1/4 inch (6 mm)] thick, unless otherwise indicated.

2.8 EXPOSED-FASTENER, LAP-SEAM METAL WALL PANELS

A. General: Provide factory-formed metal wall panels designed to be field assembled by lapping side edges of adjacent panels and mechanically attaching panels to supports using exposed fasteners in side laps. Include accessories required for weathertight installation.

B. Corrugated-Profile, Exposed-Fastener Metal Wall Panels <Insert drawing designation>: Formed with alternating curved ribs spaced at 2.67 inches (68 mm) o.c. across width of panel.

1. Basis-of-Design Product: <Insert manufacturer's name; product name or designation> or a comparable product of one of the following:

2. [Available ]Manufacturers:

a. BHP Steel Building Products USA Inc.b. CENTRIA Architectural Systems.c. Copper Sales Inc.d. Custom Panel Industries, LLC.e. Fabral, Inc.f. Flexospan Steel Buildings, Inc.g. Industrial Building Panels, Inc.h. MBCI; Div. of NCI Building Systems.i. McElroy Metal, Inc.j. Morin Corporation; a Metecno Group Company.k. Reynolds Metals Company.l. <Insert manufacturer's name.>

3. Material: Zinc-coated (galvanized) steel sheet, [0.0159 inch (0.40 mm)] [0.0209 inch (0.55 mm)] [0.0269 inch (0.70 mm)] [0.0329 inch (0.85 mm)] thick.

a. Exterior Finish: [Fluoropolymer] [Siliconized polyester].b. Color: [As indicated by manufacturer's designations] [Match Architect's

samples] [As selected by Architect from manufacturer's full range].

4. Material: Aluminum-zinc alloy-coated steel sheet, [0.0159 inch (0.40 mm)] [0.0209 inch (0.55 mm)] [0.0269 inch (0.70 mm)] [0.0329 inch (0.85 mm)] thick.



5. Material: Aluminum sheet, [0.032 inch (0.8 mm)] [0.040 inch (1.0 mm)] thick.

a. Exterior Finish: [Fluoropolymer] [Clear anodized] [Color anodized].b. Color: [As indicated by manufacturer's designations] [Match Architect's




6. Panel Coverage: [21.3 inches (541 mm)] [29.3 inches (744 mm)] [34.67 inches (881 mm)] [37.3 inches (947 mm)] [42.67 inches (1084 mm)] [45.3 inches (1151 mm)] <Insert dimension>.

7. Panel Height: [0.5 inch (13 mm)] [0.875 inch (22 mm)] <Insert dimension>.

C. Tapered-Rib-Profile, Exposed-Fastener Metal Wall Panels <Insert drawing designation>: Formed with raised, trapezoidal major ribs and [intermediate stiffening ribs symmetrically spaced] [flat pan] between major ribs.



a. Berridge Manufacturing Company.b. BHP Steel Building Products USA Inc.c. CENTRIA Architectural Systems.d. Copper Sales Inc.e. Custom Panel Industries, LLC.f. Fabral, Inc.g. Flexospan Steel Buildings, Inc.h. Galvamet Inc.i. MBCI; Div. of NCI Building Systems.j. McElroy Metal, Inc.k. Metal Sales Manufacturing Corporation.l. Morin Corporation; a Metecno Group Company.m. Petersen Aluminum Corporation.n. Steelox Systems Inc.o. United Steel Deck, Inc.; Subsidiary of Bouras Industries, Inc.p. VICWEST; Div. of Jenisys Engineered Products.q. <Insert manufacturer's name.>

3. Material: Zinc-coated (galvanized) steel sheet, [0.0159 inch (0.40 mm)] [0.0209 inch (0.55 mm)] [0.0269 inch (0.70 mm)] [0.0329 inch (0.85 mm)] [0.0428 inch (1.10 mm)] thick.

a. Exterior Finish: [Fluoropolymer] [Siliconized polyester] [Plastisol].b. Color: [As indicated by manufacturer's designations] [Match Architect's


4. Material: Aluminum-zinc alloy-coated steel sheet, [0.0159 inch (0.40 mm)] [0.0209 inch (0.55 mm)] [0.0269 inch (0.70 mm)] [0.0329 inch (0.85 mm)] [0.0428 inch (1.10 mm)] thick.




a. Exterior Finish: [Fluoropolymer] [Siliconized polyester] [Plastisol] [Clear anodized] [Color anodized].



b. Color: [As indicated by manufacturer's designations] [Match Architect's samples] [As selected by Architect from manufacturer's full range].

6. Major-Rib Spacing: [6 inches (152 mm)] [8 inches (203 mm)] [9 inches (229 mm)] [12 inches (305 mm)] <Insert dimension> o.c.

7. Panel Coverage: [24 inches (610 mm)] [36 inches (914 mm)] <Insert dimension>.8. Panel Height: [0.625 inch (16 mm)] [0.75 inch (19 mm)] [1.0 inch (25 mm)] [1.25

inches (32 mm)] [1.5 inches (38 mm)] <Insert dimension>.

D. Reverse-Rib-Profile, Exposed-Fastener Metal Wall Panels <Insert drawing designation>: Formed with recessed, trapezoidal major valleys and [intermediate stiffening valleys symmetrically spaced] [flat pan] between major valleys.



a. Flexospan Steel Buildings, Inc.b. Steelox Systems Inc.c. United Steel Deck, Inc.; Subsidiary of Bouras Industries, Inc.d. <Insert manufacturer's name.>







5. Major-Rib Spacing: [12 inches (305 mm)] <Insert dimension> o.c.6. Panel Coverage: [36 inches (914 mm)] <Insert dimension>.7. Panel Height: [1.25 inches (32 mm)] <Insert dimension>.

E. Vee-Rib-Profile, Exposed-Fastener Metal Wall Panels <Insert drawing designation>: Formed with raised, V-shaped ribs and recesses that are approximately same size, evenly spaced across panel width, and with rib/recess sides angled at approximately 45 degrees.



a. BHP Steel Building Products USA Inc.



b. CENTRIA Architectural Systems.c. Copper Sales Inc.d. Custom Panel Industries, LLC.e. Fabral, Inc.f. Flexospan Steel Buildings, Inc.g. Industrial Building Panels, Inc.h. MBCI; Div. of NCI Building Systems.i. McElroy Metal, Inc.j. Metal Sales Manufacturing Corporation.k. Morin Corporation; a Metecno Group Company.l. Reynolds Metals Company.m. United Steel Deck, Inc.; Subsidiary of Bouras Industries, Inc.n. <Insert manufacturer's name.>

3. Material: Zinc-coated (galvanized) steel sheet, [0.0159 inch (0.40 mm)] [0.0209 inch (0.55 mm)] [0.0269 inch (0.70 mm)] [0.0329 inch (0.85 mm)] [0.0428 inch (1.10 mm)] [0.0528 inch (1.35 mm)] thick.



4. Material: Aluminum-zinc alloy-coated steel sheet, [0.0159 inch (0.40 mm)] [0.0209 inch (0.55 mm)] [0.0269 inch (0.70 mm)] [0.0329 inch (0.85 mm)] [0.0428 inch (1.10 mm)] [0.0528 inch (1.35 mm)] thick.



5. Material: Aluminum sheet, [0.032 inch (0.8 mm)] [0.040 inch (1.0 mm)] [0.050 inch (1.2 mm)] thick.



6. Rib Spacing: [5.3 inches (135 mm)] [7.2 inches (183 mm)] [12 inches (305 mm)] <Insert dimension> o.c.

7. Panel Coverage: [30 inches (762 mm)] [32 inches (813 mm)] [36 inches (914 mm)] [40 inches (1016 mm)] <Insert dimension>.

8. Panel Height: [1.375 inches (35 mm)] [1.5 inches (38 mm)] [1.75 inches (44 mm)] [2.0 inches (51 mm)] [3.0 inches (76 mm)] <Insert dimension>.

F. Box-Rib-Profile, Exposed-Fastener Metal Wall Panels <Insert drawing designation>: Formed with raised, box-shaped ribs that are wider than recesses, evenly spaced across panel width, and with rib/recess sides angled 60 degrees or more.





a. BHP Steel Building Products USA Inc.b. Custom Panel Industries, LLC.c. Fabral, Inc.d. Galvamet Inc.e. Industrial Building Panels, Inc.f. MBCI; Div. of NCI Building Systems.g. Reynolds Metals Company.h. United Steel Deck, Inc.; Subsidiary of Bouras Industries, Inc.i. VICWEST; Div. of Jenisys Engineered Products.j. <Insert manufacturer's name.>










6. Rib Spacing: [2.67 inches (68 mm)] [4.0 inches (102 mm)] [5.3 inches (135 mm)] [6.0 inches (152 mm)] <Insert dimension> o.c.

7. Panel Coverage: [24 inches (610 mm)] [28 inches (711 mm)] [30 inches (762 mm)] [32 inches (813 mm)] [36 inches (914 mm)] <Insert dimension>.

8. Panel Height: [0.625 inch (16 mm)] [1.0 inch (25 mm)] [1.5 inches (38 mm)] [2.0 inches (51 mm)] <Insert dimension>.

G. Deep-Box-Rib-Profile, Exposed-Fastener Metal Wall Panels <Insert drawing designation>: Formed with raised, box-shaped ribs that are wider than recesses, evenly spaced across panel width, and with rib/recess sides angled more than 60 degrees.



a. CENTRIA Architectural Systems.



b. Custom Panel Industries, LLC.c. Fabral, Inc.d. Morin Corporation; a Metecno Group Company.e. <Insert manufacturer's name.>










6. Rib Spacing: [12 inches (305 mm)] <Insert dimension> o.c.7. Panel Coverage: [24 inches (610 mm)] <Insert dimension>.8. Panel Height: [3.0 inches (76 mm)] [4.0 inches (102 mm)] <Insert dimension>.

2.9 CONCEALED-FASTENER, LAP-SEAM METAL WALL PANELS

A. General: Provide factory-formed metal wall panels designed to be field assembled by lapping and interconnecting side edges of adjacent panels and mechanically attaching through panel to supports using concealed fasteners[ and factory-applied sealant] in side laps. Include accessories required for weathertight installation.

B. Flush-Profile, Concealed-Fastener Metal Wall Panels <Insert drawing designation>: Formed with vertical panel edges and [intermediate stiffening ribs symmetrically spaced] [flat pan] between panel edges; with flush joint between panels.



a. AEP-Span.b. Architectural Building Components.c. Architectural Roofing and Siding, Inc.



d. ATAS International, Inc.e. Berridge Manufacturing Company.f. BHP Steel Building Products USA Inc.g. CENTRIA Architectural Systems.h. Custom Panel Industries, LLC.i. Fabral, Inc.j. Flexospan Steel Buildings, Inc.k. Industrial Building Panels, Inc.l. MBCI; Div. of NCI Building Systems.m. Metal-Fab Manufacturing, LLC.n. Morin Corporation; a Metecno Group Company.o. Petersen Aluminum Corporation.p. Reynolds Metals Company.q. United Steel Deck, Inc.; Subsidiary of Bouras Industries, Inc.r. VICWEST; Div. of Jenisys Engineered Products.s. <Insert manufacturer's name.>










6. Panel Coverage: [12 inches (305 mm)] <Insert dimension>.7. Panel Height: [1.0 inch (25 mm)] [1.5 inches (38 mm)] <Insert dimension>.

C. Reveal-Joint, Concealed-Fastener Metal Wall Panels <Insert drawing designation>: Formed with vertical panel edges and [intermediate stiffening ribs symmetrically spaced] [flat pan] between panel edges; with narrow reveal joint between panels.



a. ATAS International, Inc.



b. CENTRIA Architectural Systems.c. Custom Panel Industries, LLC.d. Morin Corporation; a Metecno Group Company.e. Petersen Aluminum Corporation.f. <Insert manufacturer's name.>





a. Exterior Finish: [Fluoropolymer] [Clear anodized] [Color anodized].b. Color: [As indicated by manufacturer's designations] [Match Architect's


5. Panel Coverage: [12 inches (305 mm)] <Insert dimension>.6. Panel Height: [1.0 inch (25 mm)] [1.5 inches (38 mm)] <Insert dimension>.7. Reveal Joint: <Insert dimension> wide.

D. Wide-Reveal-Joint, Concealed-Fastener Metal Wall Panels <Insert drawing designation>: Formed with vertical panel edges and stepped profile between panel edges resulting in wide reveal joint between panels.



a. Architectural Roofing and Siding, Inc.b. CENTRIA Architectural Systems.c. Fabral, Inc.d. Flexospan Steel Buildings, Inc.e. Industrial Building Panels, Inc.f. Morin Corporation; a Metecno Group Company.g. Reynolds Metals Company.h. Steelox Systems Inc.i. United Steel Deck, Inc.; Subsidiary of Bouras Industries, Inc.j. VICWEST; Div. of Jenisys Engineered Products.k. <Insert manufacturer's name.>












6. Panel Coverage: [12 inches (305 mm)] <Insert dimension>.7. Panel Height: [1.5 inches (38 mm)] <Insert dimension>.

E. V-Groove-Profile, Concealed-Fastener Metal Wall Panels <Insert drawing designation>: Formed with vertical panel edges and [intermediate stiffening ribs symmetrically spaced] [flat pan] between panel edges; with V-groove joint between panels.



a. ATAS International, Inc.b. Berridge Manufacturing Company.c. <Insert manufacturer's name.>

3. Material: Zinc-coated (galvanized) steel sheet, [0.0209 inch (0.55 mm)] [0.0269 inch (0.70 mm)] thick.



4. Material: Aluminum-zinc alloy-coated steel sheet, [0.0209 inch (0.55 mm)] <Insert dimension> thick.

a. Exterior Finish: Fluoropolymer.b. Color: [As indicated by manufacturer's designations] [Match Architect's


5. Panel Coverage: [6 inches (152 mm)] [8 inches (203 mm)] [12 inches (305 mm)] <Insert dimension>.

6. Panel Height: [0.625 inch (16 mm)] [1.25 inches (32 mm)] <Insert dimension>.

F. Tapered-Rib-Profile, Concealed-Fastener Metal Wall Panels <Insert drawing designation>: Formed with raised, trapezoidal major ribs and [intermediate stiffening ribs symmetrically spaced] [flat pan] between major ribs.





a. ATAS International, Inc.b. Industrial Building Panels, Inc.c. Morin Corporation; a Metecno Group Company.d. Reynolds Metals Company.e. <Insert manufacturer's name.>




4. Material: Aluminum-zinc alloy-coated steel sheet, [0.0209 inch (0.55 mm)] <Insert dimension> thick.



5. Panel Coverage: [12 inches (305 mm)] [14 inches (356 mm)] <Insert dimension>.6. Panel Height: [1.0 inch (25 mm)] [1.5 inches (38 mm)] <Insert dimension>.

G. Curved-Rib-Profile, Concealed-Fastener Metal Wall Panels <Insert drawing designation>: Formed with raised, curved-side major ribs and flat pan between major ribs; with reveal joint between panels.



a. Architectural Roofing and Siding, Inc.b. Industrial Building Panels, Inc.c. Morin Corporation; a Metecno Group Company.d. <Insert manufacturer's name.>





a. Exterior Finish: [Fluoropolymer] [Siliconized polyester] [Plastisol].








H. Creased-Profile, Concealed-Fastener Metal Wall Panels <Insert drawing designation>: Formed with vertical panel edges and center-creased pan between panel edges; with flush joint between panels.



a. Industrial Building Panels, Inc.b. Morin Corporation; a Metecno Group Company.c. <Insert manufacturer's name.>










6. Panel Coverage: [12 inches (305 mm)] <Insert dimension>.7. Panel Height: [1.5 inches (38 mm)] <Insert dimension>.

I. Creased-Rib-Profile, Concealed-Fastener Metal Wall Panels <Insert drawing designation>: Formed with raised, center-creased, trapezoidal major ribs; with reveal joint between panels.





a. Industrial Building Panels, Inc.b. Morin Corporation; a Metecno Group Company.c. Reynolds Metals Company.d. <Insert manufacturer's name.>











2.10 METAL LINER PANELS

A. General: Provide factory-formed metal liner panels designed for interior side of field-assembled metal wall panel assemblies and field assembled by lapping and interconnecting side edges of adjacent panels and mechanically attaching through panel to supports using concealed fasteners[ and factory-applied sealant] in side laps. Include accessories required for a complete installation.

1. Sound Absorption: NRC not less than [0.65] [0.85] [1.00] <Insert rating> when tested according to ASTM C 423.

B. Flush-Profile Metal Liner Panels <Insert drawing designation>: [Solid] [Perforated] panels formed with vertical panel edges and [intermediate stiffening ribs symmetrically spaced] [flat pan] between panel edges; with flush joint between panels.





a. Berridge Manufacturing Company.b. BHP Steel Building Products USA Inc.c. CENTRIA Architectural Systems.d. Custom Panel Industries, LLC.e. Fabral, Inc.f. Flexospan Steel Buildings, Inc.g. MBCI; Div. of NCI Building Systems.h. Metal Sales Manufacturing Corporation.i. Morin Corporation; a Metecno Group Company.j. Reynolds Metals Company.k. <Insert manufacturer's name.>


a. Exterior Finish: [Fluoropolymer] [Siliconized polyester] [Polyester] [Plastisol].b. Color: [As indicated by manufacturer's designations] [Match Architect's









7. Panel Height: [1.5 inches (38 mm)] [2.0 inches (51 mm)] [3.0 inches (76 mm)] <Insert dimension>.

2.11 FOAMED-INSULATION-CORE METAL WALL PANELS

A. General: Provide factory-formed and -assembled metal wall panels fabricated from two metal facing sheets and insulation core foamed-in-place during fabrication with joints between panels designed to form weathertight seals. Include accessories required for weathertight installation.

1. Panel Performance:

a. Flatwise Tensile Strength: 30 psi (200 kPa) when tested according to ASTM C 297.

b. Humid Aging: Volume increase not greater than 6.0 percent and no delamination or metal corrosion when tested for 7 days at 140 deg F (60 deg C) and 100 percent relative humidity according to ASTM D 2126.



c. Heat Aging: Volume increase not greater than 2.0 percent and no delamination, surface blistering, or permanent bowing when tested for 7 days at 200 deg F (93 deg C) according to ASTM D 2126.

d. Cold Aging: Volume decrease not more than 1.0 percent and no delamination, surface blistering, or permanent bowing when tested for 7 days at minus 20 deg F (29 deg C) according to ASTM D 2126.

e. Fatigue: No evidence of delamination, core cracking, or permanent bowing when tested to a 20-lbf/sq. ft. (958-kPa) positive and negative wind load and with deflection of L/180 for 2 million cycles.

f. Autoclave: No delamination when exposed to 2-psi (13.8-kPa) pressure at a temperature of 212 deg F (100 deg C) for 2-1/2 hours.

g. Fire-Test-Response Characteristics: Class A according to ASTM E 108.

2. Isocyanurate Insulation-Core Performance:

a. Density: 2.0 to 2.6 lb/cu. ft. (32 to 42 kg/cu. m) when tested according to ASTM D 1622.

b. Compressive Strength: Minimum 20 psi (140 kPa) when tested according to ASTM D 1621.

c. Shear Strength: 26 psi (179 kPa) when tested according to ASTM C 273.

B. Exposed-Fastener, Foamed-Insulation-Core Metal Wall Panels <Insert drawing designation>: Formed with raised, trapezoidal major rib at panel edge and two intermediate stiffening ribs symmetrically spaced between major rib and panel edge; designed for lapping side edges of adjacent panels and mechanically attaching to supports using exposed fasteners in side laps.

1. [Available ]Products:

a. Aluma Shield Industries, Inc., a Member of Metecno Group; HR-900 Hi-Rib Roof and Wall Panel.

b. Insulated Panel Systems, Div. of NCI Building Systems; RWP Roof/Wall Panel.c. <Insert manufacturer's name; product name or designation.>

2. Facings: Fabricate panels with exterior and interior facings of same material and thickness.

a. Material: Zinc-coated (galvanized) steel sheet, [0.0159 inch (0.40 mm)] [0.0209 inch (0.55 mm)] [0.0269 inch (0.70 mm)] thick.

b. Material: Aluminum-zinc alloy-coated steel sheet, [0.0159 inch (0.40 mm)] [0.0209 inch (0.55 mm)] [0.0269 inch (0.70 mm)] thick.

c. Backer Board: On back side of exterior facing.d. Exterior Facing Finish: [Fluoropolymer] [Siliconized polyester].

1) Color: [As indicated by manufacturer's designations] [Match Architect's samples] [As selected by Architect from manufacturer's full range].

e. Interior Facing Finish: Manufacturer's standard white polyester.

3. Batten Material: Same material, finish, and color as exterior facings of wall panels.



4. Panel Coverage: [36 inches (914 mm)] [40 inches (1016 mm)] <Insert dimension> nominal.

5. Panel Thickness: [1.0 inch (25 mm)] [1.5 inches (38 mm)] [2.0 inches (51 mm)] [2.5 inches (64 mm)] [3.0 inches (76 mm)] [4.0 inches (102 mm)] [5.0 inches (127 mm)] <Insert dimension>.

6. Thermal-Resistance Value (R-Value): <Insert R-value.>

C. Concealed-Fastener, Foamed-Insulation-Core Metal Wall Panels <Insert drawing designation>: Formed with tongue-and-groove panel edges; designed for sequential installation by interlocking panel edges and mechanically attaching panels to supports using concealed clips or fasteners.


a. Aluma Shield Industries, Inc., a Member of Metecno Group; [AW-200 Ribbed] [AW-300 Shadowline] [AW-300A Flush] Wall Panel.

b. CENTRIA Architectural Systems; [Formawall 1000] [Versapanel] [Versawall].c. Coldmatic Building Systems; Thermawall [1000 HJF] [4000 HJF] [5000 HJF].d. Galvamet Inc.; [Mono] [Supra] [Thermal] Panel.e. Insulated Panel Systems, Div. of NCI Building Systems; [ESP] [EWP] Wall

Panel.f. Metl-Span; [CF Architectural] [CF Flat 200] [CF Fluted] [CF Mesa] Wall

Panel.g. Steelox Systems Inc.; TW-100 Wall Panel.h. <Insert manufacturer's name; product name or designation.>

2. Facings: Fabricate panel with exterior and interior facings of same material and thickness.



c. Material: Stainless-steel sheet, [0.0187 inch (0.50 mm)] [0.0375 inch (0.95 mm)] thick with No. [4] [2B] finish.

d. Backer Board: On back side of exterior facing.e. Exterior Facing Finish: [Fluoropolymer] [Siliconized polyester] [Plastisol].


f. Interior Facing Finish: Manufacturer's standard siliconized polyester.g. Exterior Surface: [Smooth, flat] [Striated] [Shallow ribs] [Shallow V grooves].

3. Panel Coverage: [24 inches (610 mm)] [30 inches (762 mm)] [36 inches (914 mm)] [39.37 inches (1000 mm)] [42 inches (1067 mm)] <Insert dimension> nominal.

4. Panel Thickness: [2.0 inches (51 mm)] [2.5 inches (64 mm)] [3.0 inches (76 mm)] [4.0 inches (102 mm)] [5.0 inches (127 mm)] [6.0 inches (152 mm)] <Insert dimension>.

5. Thermal-Resistance Value (R-Value): <Insert R-value.>



2.12 LAMINATED-INSULATION-CORE METAL WALL PANELS

A. General: Provide factory-formed and -assembled metal wall panels fabricated from two metal facing sheets and core material laminated or otherwise securely bonded, without use of contact adhesives, to facing sheets during fabrication; with joints between panels designed to form weathertight seals. Include accessories required for weathertight installation.


a. Flatwise Tensile Strength: 27 psi (186 kPa) when tested according to ASTM C 297.

b. Humid Aging: Volume increase not greater than 6.0 percent and no delamination or metal corrosion when tested for 7 days at 140 deg F (60 deg C) and 100 percent relative humidity according to ASTM D 2126.

c. Heat Aging: Volume increase not greater than 2.0 percent and no delamination, surface blistering, or permanent bowing when tested for 7 days at 200 deg F (93 deg C) according to ASTM D 2126.

d. Cold Aging: Volume decrease not more than 1.0 percent and no delamination, surface blistering, or permanent bowing when tested for 7 days at minus 20 deg F (29 deg C) according to ASTM D 2126.

e. Fatigue: No evidence of delamination, core cracking, or permanent bowing when tested to a 20-lbf/sq. ft. (958-kPa) positive and negative wind load and with deflection of L/180 for 2 million cycles.

f. Autoclave: No delamination when exposed to 2-psi (13.8-kPa) pressure at a temperature of 212 deg F (100 deg C) for 2-1/2 hours.

g. Fire-Test-Response Characteristics: Class A according to ASTM E 108.

2. Isocyanurate Insulation-Core Performance:

a. Density: 1.8 to 2.3 lb/cu. ft. (29 to 37 kg/cu. m) when tested according to ASTM D 1622.

b. Compressive Strength: Minimum 20 psi (140 kPa) when tested according to ASTM D 1621.

c. Shear Strength: 24 psi (165 kPa) when tested according to ASTM C 273.

B. Wrapped-Edge, Laminated-Insulation-Core Metal Wall Panels <Insert drawing designation>: Formed with flush exterior panel facing wrapped over panel edges; designed for independent installation by mechanically attaching [panels to supports using staggered, concealed side clips engaging panel edges] [through extended panel edges to supports using concealed fasteners]; with [sealant] [gasketed] joints.


a. Alply, Inc.; Alply Architectural Metal Wall Panels.b. Architectural Specialty Products, Inc.; Series 500.c. Benchmark Architectural Systems, Inc.; Designwall 1000.d. Protean Construction Products, Inc.; FM-100 Panel.e. <Insert manufacturer's name; product name or designation.>

2. Exterior Facing:



a. Material: Zinc-coated (galvanized) steel sheet, [0.0209 inch (0.55 mm)] [0.0269 inch (0.70 mm)] [0.0329 inch (0.85 mm)] [0.0428 inch (1.10 mm)] <Insert dimension> thick.

b. Material: Aluminum-zinc alloy-coated steel sheet, [0.0209 inch (0.55 mm)] [0.0269 inch (0.70 mm)] [0.0329 inch (0.85 mm)] <Insert dimension> thick.

c. Material: Aluminum sheet, [0.032 inch (0.8 mm)] [0.040 inch (1.0 mm)] [0.050 inch (1.2 mm)] [0.063 inch (1.6 mm)] [0.080 inch (2.0 mm)] <Insert dimension> thick.

d. Surface: [Smooth, flat] [Embossed].e. Finish: [Fluoropolymer] [Clear anodized] [Color anodized].


3. Interior Facing:

a. Material: Zinc-coated (galvanized) steel sheet, [0.0209 inch (0.55 mm)] [0.0269 inch (0.70 mm)] [0.0329 inch (0.85 mm)] <Insert dimension> thick.


c. Material: Aluminum sheet, [0.032 inch (0.8 mm)] [0.040 inch (1.0 mm)] [0.050 inch (1.2 mm)] <Insert dimension> thick.

d. Finish: Manufacturer's standard primer or white polyester.

4. Core Material: [Isocyanurate] [Extruded-polystyrene] [Expanded-polystyrene] board insulation.

a. Backing Panel: [0.125-inch- (3-mm-)] [0.250-inch- (6-mm-)] thick hardboard behind exterior facing for increased impact resistance.

5. Clips: Manufacturer's standard one piece, formed from [zinc-coated (galvanized) steel] [aluminum-zinc alloy-coated steel] [stainless steel].

6. Gaskets: Extruded, dry seal silicone.7. Sealant: Manufacturer's standard silicone.8. Panel Thickness: [1.0 inch (25 mm)] [2.0 inches (51 mm)] [3.0 inches (76 mm)] [4.0

inches (102 mm)] [5.0 inches (127 mm)] [6.0 inches (152 mm)] <Insert dimension>.9. Thermal-Resistance Value (R-Value): <Insert R-value.>

C. Shiplap-Edge, Laminated-Insulation-Core Metal Wall Panels <Insert drawing designation>: Formed with flush exterior panel facing and with shiplap edges; designed for sequential installation by mechanically attaching panels to supports using concealed clips and fasteners; with factory-applied [sealant] [gaskets] in side laps.


a. Alply, Inc.; Alply Architectural Metal Wall Panels.b. Architectural Specialty Products, Inc.; Series [HF Vertical] [SCR-DR

Horizontal] Pre-Insulated Metal Siding.c. Benchmark Architectural Systems, Inc.; Designwall 2000.d. Industrial Building Panels, Inc.; 900 Series Thermaply Panels.



e. Protean Construction Products, Inc.; FM-200 Panel.f. <Insert manufacturer's name; product name or designation.>

2. Exterior Facing:



c. Material: Aluminum sheet, [0.032 inch (0.8 mm)] [0.040 inch (1.0 mm)] [0.050 inch (1.2 mm)] [0.063 inch (1.6 mm)] <Insert dimension> thick.



3. Interior Facing:



c. Material: Aluminum sheet, [0.032 inch (0.8 mm)] [0.040 inch (1.0 mm)] <Insert dimension> thick.




6. Gaskets: Extruded, dry seal silicone.7. Sealant: Manufacturer's standard silicone.8. Panel Thickness: [1.0 inch (25 mm)] [2.0 inches (51 mm)] [3.0 inches (76 mm)] [4.0


D. Framed-Edge, Laminated-Insulation-Core Metal Wall Panels <Insert drawing designation>: Formed with flush exterior panel facing and integral, extruded edge members; designed for independent installation by mechanically attaching panels to supports through edge framing using concealed fasteners; with gasketed joints.


a. Alply, Inc.; Alply Architectural Metal Wall Panels.b. Architectural Specialty Products, Inc.; Series MLW.c. Protean Construction Products, Inc.; FM-210 Panel.d. <Insert manufacturer's name; product name or designation.>

2. Exterior Facing:





c. Material: Aluminum sheet, [0.032 inch (0.8 mm)] [0.040 inch (1.0 mm)] [0.050 inch (1.2 mm)] [0.063 inch (1.6 mm)] [0.080 inch (2.0 mm)] <Insert dimension> thick.



3. Interior Facing:



c. Material: Aluminum sheet, [0.032 inch (0.8 mm)] [0.040 inch (1.0 mm)] <Insert dimension> thick.



a. Backing Panel: [0.125-inch- (3-mm-)] [0.250-inch- (6-mm-)] thick hardboard behind exterior facing for increased impact resistance.

5. Edge Members: Extruded aluminum, not less than 0.063-inch- (1.6-mm-) thick, nominal wall thickness.

6. Gaskets: Extruded, dry seal silicone.7. Panel Thickness: [1.0 inch (25 mm)] [2.0 inches (51 mm)] [3.0 inches (76 mm)] [4.0


2.13 HONEYCOMB-CORE METAL WALL PANELS

A. General: Provide factory-formed and -assembled metal wall panels fabricated from two metal facing sheets and honeycomb-core material laminated or otherwise securely bonded, without use of contact adhesives or pinch rollers, to facing sheets during fabrication; with joints between panels designed to form weathertight seals. Include accessories required for weathertight installation.


a. Fatigue: No evidence of delamination, core cracking, or permanent bowing when tested to a 20-lbf/sq. ft. (958-kPa) positive and negative wind load and with deflection of L/180 for 2 million cycles.



b. Autoclave: No delamination when exposed to 2-psi (13.8-kPa) pressure at a temperature of 212 deg F (100 deg C) for 2-1/2 hours.

c. Fire-Test-Response Characteristics: Class A according to ASTM E 108.

1) Flame-spread and smoke-developed indexes of not more than 5 and 30, respectively, when tested according to ASTM E 84.

B. Wrapped-Edge, Honeycomb-Core Metal Wall Panels <Insert drawing designation>: Formed with flush exterior panel facing wrapped over panel edges; designed for independent installation by mechanically attaching [panels to supports using staggered, concealed side clips engaging panel edges] [through extended panel edges to supports using concealed fasteners]; with [sealant] [gasketed] joints.


a. Architectural Specialty Products, Inc.; Series 500.b. Copper Sales Inc.; UNA-CORE Series [10 Calked Joint System] [30 Glazing

Panel] [45 Spandrel Panel].c. Industrial Building Panels, Inc.; Honeycomb 1000 Series.d. Protean Construction Products, Inc.; HC-100 Panel.e. <Insert manufacturer's name; product name or designation.>




c. Material: Aluminum sheet, [0.032 inch (0.8 mm)] [0.040 inch (1.0 mm)] [0.050 inch (1.2 mm)] [0.063 inch (1.6 mm)] thick.

d. Exterior Facing Finish: [Fluoropolymer] [Class I, clear anodized] [Class I, color anodized].


e. Interior Facing Finish: Manufacturer's standard primer or polyester.

3. Kraft-Paper Honeycomb Core: Manufacturer's standard phenolic-resin impregnated paper, with not less than 15 percent resin content by weight and chemically treated for fire resistance; with maximum 1/2-inch (13-mm) cell size.

4. Aluminum Honeycomb Core: Manufacturer's standard 0.003-inch- (0.08-mm-) thick, commercial grade aluminum with maximum 3/4-inch (19-mm) cell size.


6. Gaskets: Extruded, dry seal silicone.7. Sealant: Manufacturer's standard silicone.8. Panel Thickness: [0.25 inch (6 mm)] [1.0 inch (25 mm)] [2.0 inches (51 mm)] [3.0

inches (76 mm)] [4.0 inches (102 mm)] <Insert dimension>.



C. Shiplap-Edge, Honeycomb-Core Metal Wall Panels <Insert drawing designation>: Formed with flush exterior panel facing and with shiplap edges; designed for sequential installation by mechanically attaching panels to supports using concealed clips and fasteners; with factory-applied [sealant] [gaskets] in side laps.


a. Architectural Specialty Products, Inc.; Series 5000.b. Benchmark Architectural Systems, Inc.; Designwall 3000.c. Protean Construction Products, Inc.; HC-200 Panel.d. <Insert manufacturer's name; product name or designation.>




c. Material: Aluminum sheet, [0.032 inch (0.8 mm)] [0.040 inch (1.0 mm)] [0.050 inch (1.2 mm)] [0.063 inch (1.6 mm)] thick.

d. Exterior Facing Finish: Fluoropolymer.


e. Interior Facing Finish: Manufacturer's standard primer or polyester.

3. Kraft-Paper Honeycomb Core: Manufacturer's standard phenolic-resin-impregnated paper, with not less than 15 percent resin content by weight and chemically treated for fire resistance; with maximum 1/2-inch (13-mm) cell size.



6. Gaskets: Extruded, dry seal silicone.7. Sealant: Manufacturer's standard silicone.8. Panel Thickness: [1.0 inch (25 mm)] [1.25 inches (32 mm)] [2.0 inches (51 mm)]

<Insert dimension>.

D. Framed-Edge, Honeycomb-Core Metal Wall Panels <Insert drawing designation>: Formed with flush exterior panel facing and integral, extruded edge members; designed for independent installation by mechanically attaching panels to supports through edge framing using concealed fasteners; with gasketed joints.


a. Architectural Specialty Products, Inc.; Series MLW.b. Copper Sales Inc.; UNA-CLAD Series 2000 Vertical Oriented Dry-Set System.c. <Insert manufacturer's name; product name or designation.>




a. Material: Zinc-coated (galvanized) steel sheet, [0.0209 inch (0.55 mm)] <Insert dimension> thick.

b. Material: Aluminum sheet, [0.040 inch (1.0 mm)] [0.063 inch (1.6 mm)] <Insert dimension> thick.

c. Exterior Facing Finish: [Fluoropolymer] [Class I, clear anodized] [Class I, color anodized].


d. Interior Facing Finish: Manufacturer's standard primer or polyester.

3. Kraft-Paper Honeycomb Core: Manufacturer's standard phenolic-resin-impregnated paper, with not less than 15 percent resin content by weight and chemically treated for fire resistance; with maximum 1/2-inch (13-mm) cell size.


5. Edge Members: Extruded aluminum, not less than 0.063-inch- (1.6-mm-) thick, nominal wall thickness.

6. Gaskets: Extruded, dry seal silicone.7. Panel Thickness: [1.0 inch (25 mm)] [2.0 inches (51 mm)] [3.0 inches (76 mm)]

<Insert dimension>.

2.14 METAL-PLATE WALL PANELS

A. General: Provide factory-formed metal-plate wall panels fabricated from single sheets of metal formed into profile for installation method indicated. Include attachment system components, panel stiffeners, and accessories required for weathertight system.

B. Metal-Plate Wall Panels <Insert drawing designation>:


a. Alply, Inc.; Tech Wall Series [2000] [2001].b. Architectural Specialty Products, Inc.; Series [1000] [2000] [3000].c. Copper Sales Inc.; UNA-FAB Series [2500] [3000] [4000].d. Industrial Building Panels, Inc.; Tech Clad 1200 Series.e. Protean Construction Products, Inc.; [AP-1125] [AP-2125] Panel.f. <Insert manufacturer's name; product name or designation.>

2. Material: Tension-leveled, smooth aluminum sheet, ASTM B 209 (ASTM B 209M), [0.090 inch (2.29 mm)] [0.120 inch (3.05 mm)] [0.125 inch (3.18 mm)] [0.1875 inch (4.76 mm)] thick.

3. Panel Depth: [2 inches (51 mm)] [As indicated on Drawings] <Insert dimension>.4. Exterior Finish: [Fluoropolymer] [Class I, clear anodized] [Class I, color anodized].



a. Color: [As indicated by manufacturer's designations] [Match Architect's samples] [As selected by Architect from manufacturer's full range].

C. Attachment System Components: Formed from extruded aluminum.

1. Provide internal drainage system[ and allow individual panels to "free float" and be installed and removed without disturbing adjacent panels].

2. Include manufacturer's standard [subgirts] [perimeter extrusions, tracks, and drainage channels] [panel stiffeners] [panel clips] [and] [anchor channels].

3. Alignment Pins: Stainless steel.

D. Flashing and Trim: Same material, finish, and color as adjacent metal-plate wall panels, minimum 0.030 inch (0.76 mm) thick, unless otherwise indicated.

2.15 METAL-FACED COMPOSITE MATERIAL (MCM) WALL PANELS

A. General: Provide a factory-manufactured metal composite material (MCM) wall panel consisting of metal skins bonded to both faces of a plastic core.Provide factory-formed and -assembled metal-faced composite wall panels fabricated from two metal facings bonded, using no glues or adhesives, to solid extruded thermoplastic core; formed into profile for installation method indicated. Include attachment system components and accessories required for weathertight system.

Retain subparagraph and associated subparagraphs below for applications that require noncombustible construction; otherwise, delete.

1. Fire-Retardant Core: Noncombustible, with the following surface-burning characteristics as determined by testing identical products per ASTM E 84 by UL or another testing and inspecting agency acceptable to authorities having jurisdiction:

a. Flame-Spread Index: 15 or less.b. Smoke-Developed Index: 105 or less.

2. Basis-of-Design Product[Available ]Products: The design for metal composite material wall panels is based on Citadel Architectural Products, Inc.; Envelope 2000®. Subject to compliance with requirements, provide the specified product or one of the following:

a. Alusuisse Composites, Inc.; [Alucobond] [Alucobond 21].b. Copper Sales Inc.; UNA-FAB Series [1000] [1500].c. Mitsubishi Chemical America, Inc.; [Alpolic] [Alpolic/fr].d. Reynolds Metals Company; Reynobond [PE] [FR].e. <Insert manufacturer's name; product name or designation.>

B. Aluminum-Faced Metal Composite Material (MCM)Composite Wall Panels <Insert drawing designation>: Formed with minimum 0.024-inch- (0.61-mm-)0.020-inch- (0.50-mm-) thick, [coil-coated] [coil-anodized] [painted] aluminum face sheet facingsand a minimum 0.010 -inch (4 -mm) thick, coil-coated, primed backer.

1. Panel Thickness: [0.118 inch (3 mm)] [0.157 inch (4 mm)] [0.197 inch (5 mm)] [0.236 inch (6 mm)] [As indicated on Drawings].



2. Core: [Standard] [Fire retardant].3. Exterior Finish: [Fluoropolymer] [Class I, clearClear anodized] [Class I, colorColor

anodized] [Siliconized polyester] [Urethane finish for accent panels].

a. Color: [As indicated by panel manufacturer's designations] [Match Architect's samples] [As selected by Architect from manufacturer's full range].

C. Copper-Faced Metal Composite Material (MCM) Wall Panels <Insert drawing designation>: Formed with 16-oz./sq. ft. (0.55-mm-thick) copper face sheet facings.


2. Core: [Standard] [Fire retardant].3. Exterior Finish: [Mill] [Acrylic finish for maintaining an "aged" finish] [Acrylic

finish for maintaining a "penny bright" finish].

D. Stainless-Steel Metal Composite Material (MCM) Wall Panels <Insert drawing designation>: Formed with Type 304, 0.024 -inch (0.61 -mm) thick, stainless-steel face sheet.


2. Core: Standard.3. Exterior Finish: [2B] [3E].

E. Zinc Metal Composite Material (MCM) Wall Panels <Insert drawing designation>: Formed with 0.029 -inch (0.70 -mm) thick zinc face sheet.


2. Core: Standard.3. Exterior Finish: Mill.

F. Attachment System Components: Formed from [extruded aluminum] [material compatible with panel facing].

1. Include manufacturer's standard [perimeter extrusions with integral weather stripping] [panel stiffeners] [panel clips] [and] [anchor channels].

G. Flashing and Trim: Same material, finish, and color as facings of adjacent composite panels, unless otherwise indicated.

2.16 METAL SOFFIT PANELS

A. General: Provide factory-formed metal soffit panels designed to be field assembled by lapping and interconnecting side edges of adjacent panels and mechanically attaching through panel to supports using concealed fasteners[ and factory-applied sealant] in side laps. Include accessories required for weathertight installation.

B. Metal Soffit Panels: Match profile and material of metal wall panels.



1. Finish: [Match finish and color of metal roof panels] [Match finish and color of metal wall panels] [As indicated on Drawings].

2. Sealant: Factory applied within interlocking joint.

C. Flush-Profile Metal Soffit Panels <Insert drawing designation>: [Solid] [Perforated] panels formed with vertical panel edges and [intermediate stiffening ribs symmetrically spaced] [flat pan] between panel edges; with flush joint between panels.



a. AEP-Span.b. Architectural Building Components.c. ATAS International, Inc.d. Berridge Manufacturing Company.e. BHP Steel Building Products USA Inc.f. CENTRIA Architectural Systems.g. Copper Sales Inc.h. Custom Panel Industries, LLC.i. Fabral, Inc.j. MBCI; Div. of NCI Building Systems.k. Metal-Fab Manufacturing, LLC.l. Metal Sales Manufacturing Corporation.m. Petersen Aluminum Corporation.n. <Insert manufacturer's name.>

3. Material: Same material, finish, and color as metal wall panels.4. Material: Zinc-coated (galvanized) steel sheet, [0.0159 inch (0.40 mm)] [0.0209 inch

(0.55 mm)] [0.0269 inch (0.70 mm)] [0.0329 inch (0.85 mm)] [0.0428 inch (1.10 mm)] thick.

a. Exterior Finish: [Fluoropolymer] [Siliconized polyester] [Plastisol].b. Color: [Match finish and color of metal roof panels] [Match finish and color

of metal wall panels] [As indicated by manufacturer's designations] [Match Architect's samples] [As selected by Architect from manufacturer's full range].


a. Exterior Finish: [Fluoropolymer] [Siliconized polyester].b. Color: [Match finish and color of metal roof panels] [Match finish and color





a. Exterior Finish: [Fluoropolymer] [Siliconized polyester] [Clear anodized] [Color anodized].

b. Color: [Match finish and color of metal roof panels] [Match finish and color of metal wall panels] [As indicated by manufacturer's designations] [Match Architect's samples] [As selected by Architect from manufacturer's full range].

7. Material: Copper sheet, [16-oz./sq. ft. (0.55-mm)] [20-oz./sq. ft. (0.70-mm)] weight (thickness).

a. Exterior Finish: [Brushed satin (lacquered)] [Mirror polished].


9. Panel Height: [0.875 inch (22 mm)] [1.0 inch (25 mm)] [1.5 inches (38 mm)] [3.0 inches (76 mm)] <Insert dimension>.

10. Sealant: Factory applied within interlocking joint.

D. Reveal-Joint-Profile Metal Soffit Panels <Insert drawing designation>: [Solid] [Perforated] panels formed with vertical panel edges and [intermediate stiffening ribs symmetrically spaced] [flat pan] between panel edges; with recessed reveal joint between panels.



a. ATAS International, Inc.b. Copper Sales Inc.c. Custom Panel Industries, LLC.d. Petersen Aluminum Corporation.e. <Insert manufacturer's name.>

3. Material: Same material, finish, and color as metal wall panels.4. Material: Zinc-coated (galvanized) steel sheet, [0.0159 inch (0.40 mm)] [0.0209 inch

(0.55 mm)] [0.0269 inch (0.70 mm)] [0.0329 inch (0.85 mm)] [0.0428 inch (1.10 mm)] thick.

a. Exterior Finish: [Fluoropolymer] [Siliconized polyester] [Plastisol].b. Color: [Match finish and color of metal roof panels] [Match finish and color


5. Material: Aluminum-zinc alloy-coated steel sheet, [0.0209 inch (0.55 mm)] <Insert thickness> thick.









8. Panel Height: [0.75 inch (19 mm)] [1.0 inch (25 mm)] [1.5 inches (38 mm)] <Insert dimension>.

E. V-Groove-Profile Metal Soffit Panels <Insert drawing designation>: [Solid] [Perforated] panels formed with vertical panel edges and [intermediate stiffening ribs symmetrically spaced] [flat pan] between panel edges; with V-groove joint between panels.



a. ATAS International, Inc.b. Berridge Manufacturing Company.c. Fabral, Inc.d. Petersen Aluminum Corporation.e. <Insert manufacturer's name.>

3. Material: Same material, finish, and color as metal wall panels.4. Material: Zinc-coated (galvanized) steel sheet, [0.0209 inch (0.55 mm)] <Insert

thickness> thick.



5. Material: Aluminum-zinc alloy-coated steel sheet, [0.0209 inch (0.55 mm)] <Insert thickness> thick.








7. Panel Coverage: [6 inches (152 mm)] [12 inches (305 mm)] [14 inches (356 mm)] <Insert dimension>.

8. Panel Height: [0.375 inch (10 mm)] [0.44 inch (11 mm)] [0.50 inch (13 mm)] [0.625 inch (16 mm)] <Insert dimension>.

2.17 ACCESSORIES

A. Wall Panel Accessories: Provide components required for a complete metal wall panel assembly including trim, copings, fasciae, mullions, sills, corner units, clips, flashings, sealants, gaskets, fillers, closure strips, and similar items. Match material and finish of metal wall panels, unless otherwise indicated.

1. Closures: Provide closures at eaves and rakes, fabricated of same metal as metal wall panels.

2. Backing Plates: Provide metal backing plates at panel end splices, fabricated from material recommended by manufacturer.

3. Closure Strips: Closed-cell, expanded, cellular, rubber or crosslinked, polyolefin-foam or closed-cell laminated polyethylene; minimum 1-inch- (25-mm-) thick, flexible closure strips; cut or premolded to match metal wall panel profile. Provide closure strips where indicated or necessary to ensure weathertight construction.

B. Flashing and Trim: Formed from 0.0179-inch- (0.45-mm-) thick, zinc-coated (galvanized) steel sheet or aluminum-zinc alloy-coated steel sheet prepainted with coil coating. Provide flashing and trim as required to seal against weather and to provide finished appearance. Locations include, but are not limited to, bases, drips, sills, jambs, corners, endwalls, framed openings, rakes, fasciae, parapet caps, soffits, reveals, and fillers. Finish flashing and trim with same finish system as adjacent metal wall panels.

C. Downspouts: Formed from 0.0179-inch- (0.45-mm-) thick, zinc-coated (galvanized) steel sheet or aluminum-zinc alloy-coated steel sheet prepainted with coil coating; in 10-foot- (3-m-) long sections, complete with formed elbows and offsets. Finish downspouts to match metal wall panels.

D. Translucent Wall Panels:

1. Fire-Test-Response Characteristics: Provide translucent wall panels with the following surface-burning characteristics as determined by testing identical products per ASTM E 84 by UL or another testing and inspecting agency acceptable to authorities having jurisdiction:

a. Flame-Spread Index: 25 or less.b. Smoke-Developed Index: 450 or less.

2. Uninsulated Translucent Panels: Glass-fiber-reinforced polyester, translucent plastic; complying with ASTM D 3841, Type [CC1 (limited flammability)] [CC2 (general



purpose)], Grade 1 (weather resistant); smooth finish on both sides. Match profile of adjacent metal wall panels.

a. Panel Weight: Not less than [8 oz./sq. ft. (2441 g/sq. m)] [6 oz./sq. ft. (1831 g/sq. m)].

b. Light Transmittance: Not less than [55] <Insert number> percent according to ASTM D 1494.

c. Color: [White] [Green] [Tan] [Blue] <Insert manufacturer's proprietary color>.

3. Insulated Translucent Panels: Fabricate insulating units of 2 sheets of glass-fiber-reinforced polyester, translucent plastic; complying with ASTM D 3841, Type [CC1 (limited flammability)] [CC2 (general purpose)], Grade 1 (weather resistant); smooth finish on both sides. Match profile of adjacent metal wall panels.

a. Exterior Panel Weight: Not less than [8 oz./sq. ft. (2441 g/sq. m)] [6 oz./sq. ft. (1831 g/sq. m)].

b. Interior Panel Weight: Not less than [8 oz./sq. ft. (2441 g/sq. m)] [6 oz./sq. ft. (1831 g/sq. m)] [4 oz./sq. ft. (1221 g/sq. m)].

c. Light Transmittance: Not less than [42] <Insert number> percent according to ASTM D 1494.

d. Color: [White] [Green] [Tan] [Blue] <Insert manufacturer's proprietary color>.

4. Mastic for Translucent Panels: Nonstaining, saturated, vinyl polymer as recommended by translucent panel manufacturer for sealing laps.

2.18 FABRICATION

A. General: Fabricate and finish metal wall panels and accessories at the factory to greatest extent possible, by manufacturer's standard procedures and processes, as necessary to fulfill indicated performance requirements demonstrated by laboratory testing. Comply with indicated profiles and with dimensional and structural requirements.

1. Form panel lines, breaks, and angles to be sharp and true, with surfaces free from warp and buckle.

2. Fabricate wall panels with panel stiffeners as required to maintain fabrication tolerances and to withstand design loads.

B. Fabricate metal wall panels in a manner that eliminates condensation on interior side of panel and with joints between panels designed to form weathertight seals.

C. Provide panel profile, including major ribs and intermediate stiffening ribs, if any, for full length of panel.

D. Where indicated, fabricate metal wall panel joints with factory-installed captive gaskets or separator strips that provide a tight seal and prevent metal-to-metal contact, in a manner that will minimize noise from movements within panel assembly.



E. Metal Liner Panels: Where sound-absorption requirement is indicated, fabricate interior liner panels with 1/8-inch- (3-mm-) diameter holes uniformly spaced approximately 1000 holes/sq. ft. (10 750 holes/sq. m).

F. Honeycomb-Core Metal Wall Panels: Fabricate panels using manufacturer's standard thermosetting structural adhesive in a lamination process that bonds panel under minimum 10-psi (69-kPa) pressure. Use of contact adhesives with pinch-roll process is not acceptable.

1. Panel Bow Tolerance: Not more than 0.5 percent of panel width or length.

G. Metal-Plate Wall Panels: Fabricate panels with panel stiffeners as required to comply with deflection limits. Weld and grind panel corners smooth. Fabricate panels to the following dimensional tolerances:

1. Length and Width: Plus or minus 0.032 inch (0.8 mm) up to 48 inches (1219 mm); 0.064 inch (1.6 mm) more than 48 inches (1219 mm).

2. Diagonal: Plus or minus 0.1875 inch (4.76 mm).3. Panel Bow: Not more than 0.2 percent of panel width or length up to 0.1875 inch (4.76

mm) maximum.4. Thickness: Plus or minus 0.008 inch (0.2 mm).5. Squareness: 0.1875-inch (4.76-mm) difference between diagonal measurements.6. Camber: 0.032 inch (0.8 mm).

H. Metal Composite Material (MCM)Metal-Faced Composite Wall Panels: Factory-manufactured metal composite material (MCM) wall panels by bonding metal skins to both faces of a plastic core.Factory form panels in a [continuous process with no glues or adhesives] [batch process by laminating each sheet using glues or adhesives] between dissimilar materials. Trim and square edges of sheets with no displacement of face sheets or protrusion of core material.

1. Fabricate panels with panel stiffeners, as required to comply with deflection limits, attached to back of panels with structural silicone sealant or bond tape.

2. Fabricate panels with sharply cut edges, with no displacement of face sheets or protrusion of core material.

3. Dimensional Tolerances:

a. Length: Plus 0.375 inch (9.5 mm).b. Width: Plus 0.188 inch (4.8 mm).c. Thickness: Plus or minus 0.008 inch (0.2 mm).d. Panel Bow: 0.8 percent maximum of panel length or width.e. Squareness: 0.2 inch (5 mm) maximum.

I. Sheet Metal Accessories: Fabricate flashing and trim to comply with recommendations in SMACNA's "Architectural Sheet Metal Manual" that apply to the design, dimensions, metal, and other characteristics of item indicated.

1. Form exposed sheet metal accessories that are without excessive oil canning, buckling, and tool marks and that are true to line and levels indicated, with exposed edges folded back to form hems.

2. Seams for Aluminum: Fabricate nonmoving seams with flat-lock seams. Form seams and seal with epoxy seam sealer. Rivet joints for additional strength.



3. Seams for Other Than Aluminum: Fabricate nonmoving seams in accessories with flat-lock seams. Tin edges to be seamed, form seams, and solder.

4. Sealed Joints: Form nonexpansion but movable joints in metal to accommodate elastomeric sealant to comply with SMACNA standards.

5. Conceal fasteners and expansion provisions where possible. Exposed fasteners are not allowed on faces of accessories exposed to view.

6. Fabricate cleats and attachment devices from same material as accessory being anchored or from compatible, noncorrosive metal recommended by metal wall panel manufacturer.

a. Size: As recommended by SMACNA's "Architectural Sheet Metal Manual" or metal wall panel manufacturer for application but not less than thickness of metal being secured.

2.19 FINISHES, GENERAL

A. Comply with NAAMM's "Metal Finishes Manual for Architectural and Metal Products" for recommendations for applying and designating finishes.

B. Protect mechanical and painted finishes on exposed surfaces from damage by applying a strippable, temporary protective covering before shipping.

C. Appearance of Finished Work: Variations in appearance of abutting or adjacent pieces are acceptable if they are within one-half of the range of approved Samples. Noticeable variations in the same piece are not acceptable. Variations in appearance of other components are acceptable if they are within the range of approved Samples and are assembled or installed to minimize contrast.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine substrates, areas, and conditions, with Installer present, for compliance with requirements for installation tolerances, metal wall panel supports, and other conditions affecting performance of work.

1. Examine primary and secondary wall framing to verify that girts, angles, channels, studs, and other structural panel support members and anchorage have been installed within alignment tolerances required by metal wall panel manufacturer.

2. Examine solid wall sheathing to verify that sheathing joints are supported by framing or blocking and that installation is within flatness tolerances required by metal wall panel manufacturer.

3. For the record, prepare written report, endorsed by Installer, listing conditions detrimental to performance of work.

B. Examine roughing-in for components and systems penetrating metal wall panels to verify actual locations of penetrations relative to seam locations of metal wall panels before metal wall panel installation.



C. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2 PREPARATION

A. Clean substrates of substances harmful to insulation, including removing projections capable of interfering with insulation attachment.

B. Substrate Board: Install substrate board over wall sheathing on entire wall surface. Attach with substrate-board fasteners.

1. Install substrate board with long joints in continuous straight lines, perpendicular to direction of metal wall panel seams with end joints staggered between rows. Tightly butt substrate boards together.

2. Comply with [UL] [FMG] requirements for fire-rated construction.

C. Install flashings and other sheet metal to comply with requirements specified in Division 07 Section "Sheet Metal Flashing and Trim."

D. Install fasciae and copings to comply with requirements specified in Division 07 Section "[Sheet Metal Flashing and Trim] [Roof Specialties]."

E. Miscellaneous Framing: Install subgirts, base angles, sills, furring, and other miscellaneous wall panel support members and anchorage according to ASTM C 754 and metal wall panel manufacturer's written recommendations.

1. Soffit Framing: Wire-tie[ or clip] furring channels to supports[, as required to comply with requirements for assemblies indicated].

3.3 METAL WALL PANEL INSTALLATION, GENERAL

A. General: Install metal wall panels in orientation, sizes, and locations indicated on Drawings. Install panels perpendicular to girts and subgirts, unless otherwise indicated. Anchor metal wall panels and other components of the Work securely in place, with provisions for thermal and structural movement.

1. Field cutting of metal wall panels by torch is not permitted.2. Shim or otherwise plumb substrates receiving metal wall panels.3. Rigidly fasten base end of metal wall panels and allow eave end free movement due to

thermal expansion and contraction. Predrill panels.4. Flash and seal metal wall panels with weather closures at eaves, rakes, and at perimeter

of all openings. Fasten with self-tapping screws. Do not begin installation until weather barrier and flashings that will be concealed by metal wall panels are installed.

5. Install screw fasteners in predrilled holes.6. Locate and space fastenings in uniform vertical and horizontal alignment.7. Install flashing and trim as metal wall panel work proceeds.8. Locate panel splices over, but not attached to, structural supports. Stagger panel splices

and end laps to avoid a four-panel lap splice condition.9. Apply elastomeric sealant continuously between metal base channel (sill angle) and

concrete, and elsewhere as indicated or, if not indicated, as necessary for waterproofing.



10. Align bottom of metal wall panels and fasten with blind rivets, bolts, or self-tapping screws. Fasten flashings and trim around openings and similar elements with self-tapping screws.

11. Provide weatherproof escutcheons for pipe and conduit penetrating exterior walls.

B. Fasteners:

1. Steel Wall Panels: Use stainless-steel fasteners for surfaces exposed to the exterior and galvanized steel fasteners for surfaces exposed to the interior.

2. Aluminum Wall Panels: Use aluminum or stainless-steel fasteners for surfaces exposed to the exterior and aluminum or galvanized steel fasteners for surfaces exposed to the interior.

3. Copper Wall Panels: Use copper or stainless-steel fasteners.4. Stainless-Steel Wall Panels: Use stainless-steel fasteners.

C. Metal Protection: Where dissimilar metals will contact each other or corrosive substrates, protect against galvanic action by painting contact surfaces with bituminous coating, by applying rubberized-asphalt underlayment to each contact surface, or by other permanent separation as recommended by metal wall panel manufacturer.

1. Coat back side of [aluminum] [stainless-steel] wall panels with bituminous coating where wall panels will contact wood, ferrous metal, or cementitious construction.

D. Joint Sealers: Install gaskets, joint fillers, and sealants where indicated and where required for weatherproof performance of metal wall panel assemblies. Provide types of gaskets, fillers, and sealants indicated or, if not indicated, types recommended by metal wall panel manufacturer.

1. Seal metal wall panel end laps with double beads of tape or sealant, full width of panel. Seal side joints where recommended by metal wall panel manufacturer.

2. Prepare joints and apply sealants to comply with requirements in Division 07 Section "Joint Sealants."

3.4 THERMAL INSULATION INSTALLATION FOR FIELD-ASSEMBLED METAL WALL PANELS

A. Board Insulation: Extend insulation in thickness indicated to cover entire wall. Comply with installation requirements in Division 07 Section "Thermal Insulation."

1. Erect insulation horizontally and hold in place with Z-shaped furring members spaced [24 inches (610 mm)] [600 mm] o.c. Securely attach narrow flanges of furring members to wall sheathing with screws spaced 24 inches (600 mm) o.c.

2. Retain insulation in place by metal clips and straps or integral pockets within panels, spaced at intervals recommended by insulation manufacturer to hold insulation securely in place. Maintain cavity width between insulation and metal liner panel of dimension indicated.

B. Blanket Insulation: Install insulation concurrently with metal wall panel installation, in thickness indicated to cover entire wall, according to manufacturer's written instructions and as follows:



1. Set vapor-retarder-faced units with vapor retarder to warm side of construction, unless otherwise indicated. Do not obstruct ventilation spaces, except for firestopping.

2. Tape joints and ruptures in vapor retarder, and seal each continuous area of insulation to surrounding construction to ensure airtight installation.

3. Install factory-laminated, vapor-retarder-faced blankets straight and true in one-piece lengths with both sets of facing tabs sealed to provide a complete vapor retarder. Comply with the following installation method:

4. Install blankets straight and true in one-piece lengths. Install vapor retarder over insulation with both sets of facing tabs sealed to provide a complete vapor retarder. Comply with the following installation method:

a. Over-Framing Installation: Extend insulation and vapor retarder over and perpendicular to top flange of secondary framing members. Hold in place by panels fastened to secondary framing.

5. Retainer Strips: Install retainer strips at each longitudinal insulation joint, straight and taut, nesting with secondary framing to hold insulation in place.

C. Sound-Absorption Insulation: Where sound-absorption requirement is indicated for metal liner panels, cover insulation with polyethylene film and provide inserts of wire mesh to form acoustical spacer grid.

3.5 FIELD-ASSEMBLED METAL WALL PANEL INSTALLATION

A. Lap-Seam Metal Wall Panels: Fasten metal wall panels to supports with fasteners at each lapped joint at location and spacing recommended by manufacturer.

1. Arrange and nest side-lap joints so prevailing winds blow over, not into, lapped joints. Lap ribbed or fluted sheets one full rib corrugation. Apply panels and associated items for neat and weathertight enclosure. Avoid "panel creep" or application not true to line.

2. Provide metal-backed washers under heads of exposed fasteners bearing on weather side of metal wall panels.

3. Locate and space exposed fasteners in uniform vertical and horizontal alignment. Use proper tools to obtain controlled uniform compression for positive seal without rupture of washer.

4. Install screw fasteners with power tools having controlled torque adjusted to compress washer tightly without damage to washer, screw threads, or panels. Install screws in predrilled holes.

5. Provide sealant tape at lapped joints of metal wall panels and between panels and protruding equipment, vents, and accessories.

6. Apply a continuous ribbon of sealant tape to weather-side surface of fastenings on end laps, and on side laps of nesting-type panels; on side laps of corrugated nesting-type, ribbed, or fluted panels; and elsewhere as needed to make panels weatherproof to driving rains.

7. At panel splices, nest panels with minimum 6-inch (150-mm) end lap, sealed with butyl-rubber sealant and fastened together by interlocking clamping plates.

B. Zee Clips: Provide Zee clips of size indicated or, if not indicated, as required to act as standoff from subgirts for thickness of insulation indicated. Attach to subgirts with fasteners.



C. Metal Liner Panels: Install panels on [exterior side of girts with girts exposed to the interior] [interior side of girts with flush appearance on the inside] [girts as indicated on Drawings].

D. Fire-Rated Metal Wall Panel Assemblies: Install metal liner panels on exterior side of girts, fastening through faces of panels, with girts exposed to the interior. Install subgirts horizontally, fastened to legs of metal liner panels. Install thermal barrier, in number of layers required for fire rating, over subgirts, attached with thermal-barrier fasteners. Install second set of subgirts horizontally, fastened through thermal barrier into first set of subgirts. Install exterior metal wall panels, fastened to second set of subgirts.

1. Comply with [UL] [FMG] requirements for fire-rated construction.

E. Metal Soffit Panels: Provide metal soffit panels full width of soffits. Install panels perpendicular to support framing.

1. Flash and seal panels with weather closures where metal soffit panels meet walls and at perimeter of all openings.

F. Fascia Panels: Align bottom of panels and fasten with blind rivets, bolts, or self-tapping screws. Flash and seal panels with weather closures where fasciae meet soffits, along lower panel edges, and at perimeter of all openings.

3.6 FACTORY-ASSEMBLED METAL WALL PANEL INSTALLATION

A. General: Apply continuous ribbon of sealant to panel joint on concealed side of insulated metal wall panels as vapor seal; apply sealant to panel joint on exposed side of panels for weather seal.

1. Fasten insulated metal wall panels to supports with fasteners at each lapped joint at location, spacing, and with fasteners recommended by manufacturer.

2. Arrange and nest side-lap joints so prevailing winds blow over, not into, lapped joints. Lap ribbed or fluted sheets one full rib corrugation. Apply panels and associated items for neat and weathertight enclosure. Avoid "panel creep" or application not true to line.

3. Provide metal-backed washers under heads of exposed fasteners bearing on weather side of insulated metal wall panels.

4. Locate and space exposed fasteners in uniform vertical and horizontal alignment. Use proper tools to obtain controlled uniform compression for positive seal without rupture of washer.

5. Provide sealant tape at lapped joints of insulated metal wall panels and between panels and protruding equipment, vents, and accessories.

6. Apply a continuous ribbon of sealant tape to panel side laps and elsewhere as needed to make panels weatherproof to driving rains.

7. Apply snap-on battens to insulated metal wall panel seams to conceal fasteners.

B. Foamed-Insulation-Core Metal Wall Panels: Fasten metal wall panels to supports with concealed clips at each joint at location, spacing, and with fasteners recommended by manufacturer. Fully engage tongue and groove of adjacent panels.

1. Install clips to supports with self-tapping fasteners.



C. Laminated-Insulation-Core Metal Wall Panels:

1. Wrapped-Edge Panels: Mechanically attach wall panels to supports using staggered, concealed side clips engaging wrapped panel edges. Install clips to supports with self-tapping fasteners. Seal joints with [cylindrical sealant backing and sealant] [manufacturer's standard gaskets].

2. Wrapped-Edge Panels: Mechanically attach wall panels through extended edge of panels to supports using self-tapping fasteners. Seal joints with [cylindrical sealant backing and sealant] [manufacturer's standard gaskets].

3. Shiplap-Edge Panels: Mechanically attach wall panels to supports using staggered, concealed side clips engaging tongue-and-groove panel edges. Install clips to supports with self-tapping fasteners.

a. Horizontal Joints: [Maintain reveal joint of consistent width] [Seal joints with cylindrical sealant backing and sealant] [Seal joints with manufacturer's standard gaskets].

b. Vertical Joints: [Maintain reveal joint of consistent width] [Seal joints with cylindrical sealant backing and sealant] [Seal joints with manufacturer's standard gaskets].

4. Framed-Edge Panels: Mechanically attach wall panels through integral, extruded edge members to supports using self-tapping fasteners. Seal joints with manufacturer's standard gaskets.

D. Honeycomb-Core Metal Wall Panels:

1. Wrapped-Edge Panels: Mechanically attach wall panels to supports using staggered, concealed side clips engaging wrapped panel edges. Install clips to supports with self-tapping fasteners. Seal joints with [cylindrical sealant backing and sealant] [manufacturer's standard gaskets].

2. Wrapped-Edge Panels: Mechanically attach wall panels through extended edge of panels to supports using self-tapping fasteners. Seal joints with [cylindrical sealant backing and sealant] [manufacturer's standard gaskets].

3. Shiplap-Edge Panels: Mechanically attach wall panels to supports using staggered, concealed side clips engaging tongue-and-groove panel edges. Install clips to supports with self-tapping fasteners.

a. Horizontal Joints: [Maintain reveal joint of consistent width] [Seal joints with cylindrical sealant backing and sealant] [Seal joints with manufacturer's standard gaskets].

b. Vertical Joints: [Maintain reveal joint of consistent width] [Seal joints with cylindrical sealant backing and sealant] [Seal joints with manufacturer's standard gaskets].

4. Framed-Edge Panels: Mechanically attach wall panels through integral, extruded edge members to supports using self-tapping fasteners. Seal joints with manufacturer's standard gaskets.



3.7 METAL-PLATE WALL PANEL INSTALLATION

A. General: Install attachment system required to support wall panels and to provide a complete weathertight wall system, including subgirts, perimeter extrusions, tracks, drainage channels, panel clips, and anchor channels.

1. Include attachment to supports, panel-to-panel joinery, panel-to-dissimilar-material joinery, and panel-system joint seals.

B. Flange-Attachment Installation: Attach wall panels, formed with extended perimeter flanges, to supports at locations, spacings, and with fasteners recommended by manufacturer.

1. Seal horizontal and vertical joints between adjacent panels with sealant backing and sealant. Install sealant backing and sealant according to requirements specified in Division 07 Section "Joint Sealants."

2. Seal horizontal and vertical joints between adjacent panels with manufacturer's standard gaskets.

C. Clip Installation: Attach panel clips to supports at locations, spacings, and with fasteners recommended by manufacturer. Attach flanges of wall panels to panel clips [with fasteners] [by welding] [with fasteners or by welding], as recommended by manufacturer.


2. Seal horizontal and vertical joints between adjacent panels with manufacturer's standard gaskets.

D. Subgirt-and-Spline Installation: Provide manufacturer's standard subgirts and splines that provide support and complete secondary drainage system, draining to the exterior at horizontal joints. Install support system at locations, spacings, and with fasteners recommended by manufacturer. Attach wall panels by interlocking perimeter extrusions attached to wall panels with subgirts and splines. Fully engage integral subgirt and spline gaskets and leave horizontal and vertical joints with open reveal. Terminate edge of wall panels flush with perimeter extrusions.

1. Install wall panels to allow individual panels to "free float" and be installed and removed without disturbing adjacent panels.

2. Do not apply sealants to joints, unless otherwise indicated on Drawings.

E. Track-Support Installation: Provide manufacturer's standard horizontal tracks and vertical [tracks] [drain channels] that provide support and complete secondary drainage system, draining to the exterior at horizontal joints through drain tube. Install support system at locations, spacings, and with fasteners recommended by manufacturer. Attach wall panels to tracks by interlocking panel edges with manufacturer's standard "T" clips.





F. Rail-Support Installation: Provide manufacturer's standard interlocking rails that provide support and complete secondary drainage system, draining to the exterior at horizontal joints. Install rails at locations, spacings, and with fasteners recommended by manufacturer. Attach wall panels by overlapping and interlocking support rails with perimeter rails attached to wall panels. Apply sealant, foam sealant, and tape sealant at locations recommended by manufacturer. Leave horizontal and vertical joints with open reveal.


2. Install backer plates before installing support rails.3. Do not apply sealants to joints, unless otherwise indicated on Drawings.

G. Rainscreen-Principle Installation: Provide manufacturer's standard pressure-equalized, rainscreen-principle system with vertical channel that provides support and complete secondary drainage system, draining at base of wall. Notch vertical channel to receive support pins. Install vertical channels supported by channel brackets or adjuster angles and at locations, spacings, and with fasteners recommended by manufacturer. Attach wall panels by engaging horizontal support pins into notches in vertical channels and into flanges of wall panels. Leave horizontal and vertical joints with open reveal.



3.8 METAL-FACED COMPOSITE MATERIAL (MCM) WALL PANEL INSTALLATION

A. General: Install attachment system required to support wall panels and to provide a complete weathertight wall system, including subgirts, perimeter extrusions, tracks, drainage channels, panel clips, and anchor channels.

1. Include attachment to supports, panel-to-panel joinery, panel-to-dissimilar-material joinery, and panel-system joint seals.

2. Do not begin installation until weather barrier and flashings that will be concealed by composite panels are installed.

B. Clip Installation: Attach panel clips to supports at each wall panel joint at locations, spacings, and with fasteners recommended by manufacturer. Attach routed-and-returned flanges of wall panels to panel clips with manufacturer's standard fasteners.


C. Track-Support Installation: Provide manufacturer's standard horizontal and vertical tracks that provide support and complete secondary drainage system, draining to the exterior at horizontal joints. Install support system at locations, spacings, and with fasteners recommended by manufacturer. Attach panels to wall by interlocking tracks with perimeter extrusions attached to wall panels. Fully engage integral gaskets and leave horizontal and vertical joints with open reveal.



1. Attach routed-and-returned flanges of wall panels to perimeter extrusions with manufacturer's standard fasteners.

Retain subparagraph above or first subparagraph below. Below describes Reynolds Metals' "Reynobond" panels.

2. Attach flush wall panels to perimeter extrusions by engaging panel edges and by attaching with manufacturer's standard structural silicone adhesive.



Paragraph and subparagraphs below describe Copper Sales' "UNA-FAB Series 1500" panels.

D. Subgirt-and-Spline Installation: Provide manufacturer's standard subgirts and splines that provide support and complete secondary drainage system, draining to the exterior at horizontal joints. Install support system at locations, spacings, and with fasteners recommended by manufacturer. Attach wall panels by interlocking perimeter extrusions attached to routed-and-returned flanges of wall panels with subgirts and splines. Fully engage integral subgirt and spline gaskets and leave horizontal and vertical joints with open reveal.



E. Rainscreen-Principle Installation: Provide manufacturer's standard pressure-equalized, rainscreen-principle system with vertical channel that provides support and complete secondary drainage system, draining at base of wall. Notch vertical channel to receive support pins. Install vertical channels supported by channel brackets or adjuster angles and at locations, spacings, and with fasteners recommended by manufacturer. Attach wall panels by engaging horizontal support pins into notches in vertical channels and into flanges of wall panels. Leave horizontal and vertical joints with open reveal.



3.9 GLAZED-IN METAL WALL PANEL INSTALLATION

A. Comply with requirements specified in Division 08 Section "Glazed Aluminum Curtain Walls."

3.10 ACCESSORY INSTALLATION

A. General: Install accessories with positive anchorage to building and weathertight mounting and provide for thermal expansion. Coordinate installation with flashings and other components.

1. Install components required for a complete metal wall panel assembly including trim, copings, corners, seam covers, flashings, sealants, gaskets, fillers, closure strips, and similar items.



B. Flashing and Trim: Comply with performance requirements, manufacturer's written installation instructions, and SMACNA's "Architectural Sheet Metal Manual." Provide concealed fasteners where possible, and set units true to line and level as indicated. Install work with laps, joints, and seams that will be permanently watertight and weather resistant.

1. Install exposed flashing and trim that is without excessive oil canning, buckling, and tool marks and that is true to line and levels indicated, with exposed edges folded back to form hems. Install sheet metal flashing and trim to fit substrates and to result in waterproof and weather-resistant performance.

2. Expansion Provisions: Provide for thermal expansion of exposed flashing and trim. Space movement joints at a maximum of 10 feet (3 m) with no joints allowed within 24 inches (600 mm) of corner or intersection. Where lapped or bayonet-type expansion provisions cannot be used or would not be sufficiently weather resistant and waterproof, form expansion joints of intermeshing hooked flanges, not less than 1 inch (25 mm) deep, filled with mastic sealant (concealed within joints).

C. Downspouts: Join sections with 1-1/2-inch (38-mm) telescoping joints. Provide fasteners designed to hold downspouts securely 1 inch (25 mm) away from walls; locate fasteners at top and bottom and at approximately 60 inches (1500 mm) o.c. in between.

1. Provide elbows at base of downspouts to direct water away from building.2. Tie downspouts to underground drainage system indicated.

D. Translucent Wall Panels: Provide end laps of not less than 6 inches (150 mm) and side laps of not less than 1-1/2-inch (38-mm) corrugations. Align horizontal laps with adjacent translucent wall panels. Seal intermediate end laps and side laps of translucent panels with translucent mastic.

3.11 ERECTION TOLERANCES

A. Installation Tolerances: Shim and align metal wall panel units within installed tolerance of 1/4 inch in 20 feet (6 mm in 6 m), nonaccumulative, on level, plumb, and location lines as indicated and within 1/8-inch (3-mm) offset of adjoining faces and of alignment of matching profiles.

3.12 FIELD QUALITY CONTROL

A. Testing Agency: [Owner will engage] [Engage] a qualified independent testing and inspecting agency to perform field tests and inspections and prepare test reports.

B. Water Penetration: Test areas of installed system indicated on Drawings for compliance with system performance requirements according to ASTM E 1105 at minimum differential pressure of 20 percent of inward-acting, wind-load design pressure as defined by ASCE 7, "Minimum Design Loads for Buildings and Other Structures," but not less than 6.24 lbf/sq. ft. (300 Pa).

C. Water-Spray Test: After completing the installation of 75-foot- (23-m-) by-2-story minimum area of metal wall panel assembly, test assembly for water penetration according to AAMA 501.2 in a 2-bay area directed by Architect.



D. Manufacturer's Field Service: Engage a factory-authorized service representative to inspect completed metal wall panel installation, including accessories. Report results in writing.

E. Remove and replace applications of metal wall panels where inspections indicate that they do not comply with specified requirements.

F. Additional tests and inspections, at Contractor's expense, will be performed to determine compliance of replaced or additional work with specified requirements.

3.13 CLEANING AND PROTECTION

A. Remove temporary protective coverings and strippable films, if any, as metal wall panels are installed, unless otherwise indicated in manufacturer's written installation instructions. On completion of metal wall panel installation, clean finished surfaces as recommended by metal wall panel manufacturer. Maintain in a clean condition during construction.

B. After metal wall panel installation, clear weep holes and drainage channels of obstructions, dirt, and sealant.

C. Replace metal wall panels that have been damaged or have deteriorated beyond successful repair by finish touchup or similar minor repair procedures.

END OF SECTION 074213
