IC525 Libretto Gridless Metal Ceiling System - USG Corporation

Libretto™

Gridless Metal Ceiling System

Go Your Own Way

Get Off the Grid

LIBRETTO™ gridless metal ceiling system creates islands, canopies, radial ceilings and other dynamic shapes that define space and architectural features – all based on your own design concept! You determine the shape and style of your ceiling, and USG brings it to reality with custom-manufactured components that fit together with precision. Each assembly is designed for turnkey installation and delivered complete, assuring that the installation looks just as you envisioned.

Offices

Lobbies

Conference Rooms

Retail

Hospitality

Entertainment

Health Care

Transportation Hubs

The Libretto™ gridless metal ceiling system features individually fabricated aluminum panels that interconnect to form a continuous, uninterrupted plane. Collaborate with USG to create a custom design tailored to your space, and enhance the aesthetic with perforations that follow the contours of your unique ceiling. Even the concealed carrier system is custom-fit, with a choice of three perimeter profiles to achieve the proper scale for your space.

User’s Guide

Pages

Understand Your System 3 Overview

Design Your System 4 Design Guide

Selector Worksheet

Application Details

System Components

Lighting

Specify Your System 24 Application Guide Specifications

For More Information Technical Service 800 USG.4YOU

Web Site usg.com

� Libretto Gridless Metal Ceiling System

Metal Panels TheLibrettosystemfeaturesInterlockingmetalpanelsthatformashapeandsizedirectedbythearchitectordesigner.Theassemblyismanufacturedcompletetorequirenocuttingorfittingbytheinstaller.Optionalaccessportsmaybespecifiedattheinitialdesignstage;pointaccessonly.

Carrier System Engineered,concealedsystemsuspendedfromthestructure.Componentsinclude: –Carrierchannel –Channelsplice/extension –Panelhangerclip

Perimeter Profile Eachassemblyisfinishedwithaperimeterprofile4,6or8inheight.Componentsinclude: –Curvedandstraightperimeterprofilesections –Factorypre-miteredcorners –Profileattachmentclips –Profilesplices

Materials Recycled Content

Panels Aluminum 80%

Carrier system Cold-rolledsteel 25%

Edge profile Cold-rolledsteel 25%

Colors Standardcolors:FlatWhiteandSilverSatin.Customcolorsavailableonrequest.

Perforation –ContouredpatternthatfollowstheshapeofyourLibrettoceiling. –Customgraphicwithapatternyouprovide. –Standardpatternsforsquareandrectangularceilings. –Smooth,unperferatedmetal.

Lighting Librettoassembliesmaybelitfromabovewithavarietyoflightingsystemstocreatearangeofeffects,fromambienttodramatic.SeeUSGdesignguideIC533formoreinformation.

Plenum Depth Minimum12,with8clearanceabovetopedgeofperimeterprofile.Seepage19fordetails.

Design Process USGtakescareofthedesignworkforyou!SimplysendusthegeneralshapeandsizeoftheLibrettoceilingyouwanttocreate(seepages10-11forguidelines).Wewilldesigntheassemblytofityourspace,includinganoptionalcontouredperforationpatternthatflowswiththeshapeofyourceiling.

System Overview

2 Libretto Gridless Metal Ceiling System

View from Below

View from Above


channel extension

factory pre-mitered corner

profile attachment clip

profilesplice

channelsplice

panel hanger clip

carrier channel

alignment tab

Seepage21formoreinformationaboutsystemcomponents.

USG decorative hanger solution or 12-ga. hanger wire

perimeter profile

metal panel

4 LIBRETTO Gridless Metal Ceiling System

System Overview

Individual Islands LIBRETTO ceilings provide an excellent solution for creating visual interest in conference rooms, retail spaces andreception areas. The shape and perforation pattern is fully customizable, allowing you to highlight functional zones,echo the shape of workstations or open floor area, and draw attention to architectural details. Crescents, serpen-tines, toruses, and even simple squares and rectangles provide the basis for unlimited creativity.

Application Concepts




System Overview


Multiple Islands LIBRETTO ceilings provide an easy, cost-effective solution for creating visual energy by repeating and nestingshapes.Align multiple islands to accentuate linear space and provide wayfinding. Or, group islands in tandemto break up bland expanses with geometric interest. Islands may also be positioned at varying heights toreflect the scale of high spaces.




Radial Applications Made with the latest computer-controlled manufacturing technology, LIBRETTO ceilings offer unprecedentedaccuracy, ensuring that even the largest assemblies provide a seamless fit. Design expansive concentricand multi-level radial designs with confidence, bringing intimacy and visual interest to large spaces suchas amphitheaters, showrooms and auditoriums.

System Overview




�0 Libretto Gridless Metal Ceiling System

Step � Librettoceilingsmaybeshapedascrescents,serpentines,four-sidedpolygons,andtoruses.Select Shape Theillustrationsinthissectionshowbasicdesignconceptsandguidelines.

Crescent, Serpentine, Criteria Example

and Polygon − Musthavetwostraightoppositeends. − Lengthofeachendmustbe30-144. − Cornersmustbe15°-165°. − Sidesmayincludecurvedandstraightsections. − Allcurvesmusthaveminimum18radius. − Oppositesidesnotrequiredtobeconcentric. Note:Appropriatepanelwidthswillbe determinedbytheUSGdesignstaff.

Crescent Serpentine

Four-sided Polygon

Libretto ceilings can be configured to create a wide range of shapes, with mul-tiple perforation options to enhance the visual interest of the ceiling itself, integrate custom patterns or icons, and create unique lighting effects. Following are the steps and guidelines for creating a Libretto ceiling that will provide a crowning touch to your project.

Design Guide

ceiling shape must have flat ends

minimum 18" ceiling radius

�� Libretto Gridless Metal Ceiling System

Torus Atorusisacrescent,serpentine,orpolygonwithendsthatmeet,sotheprecedingguidelinesalsoapplyto torusshapes.AdditionalstandardsapplytotheshapeoftheopeningrelativetotheLibrettoceilingisland: −Theinsideperimetermustbeatleast1/3theoutsideperimeter. −Boththeoutsideperimeterandtheopeningmayincludecurvedandstraightsections. −Allcurvesmusthaveaminimum18radius;allstraightsectionsmustbeatleast8"long. Examples


Design Guide

Step 2 Librettopanelsareavailableinsolidmetalorachoiceofperforationoptions:Select Perforation – Contouredperforationflowswiththeshapeofyourceilingwithoutinterruptionacrosspaneljoints.Youspecify

perforationshape,sizeandorientation,andwecustomizethepatterntofityourLibrettoceiling. – Customgraphicletsyoumakeyourownstatement!Designapatternorprovideanimagetoappearon

individualpanelsorradiateovertheentireceiling. – Standardperforationsareavailableinaselectionof14patternsandarerecommendedforrectangularislandsonly. –OptionalblackorwhiteAcoustibond®backeravailable.

Punchesavailableforcontouredandcustomgraphicperforation:

�/8 �/4 3/8 �/2 3/4 �

Contoured Availablewithallpanelshapesandespeciallyrecommendedforcurvedandtrapezoidalislands,thisoption Perforation createsanattractivelandscapeofflowingpatternsoflightanddark.Patternsareuninterruptedoverpanel

joints,andperforationsaregenerallylargerandmorewidelyspacedthanstandardpatterns(shownonpage14).Perforationsmayberoundorsquare.

1/8” 1/4” 3/8” 1/2” 1”3/4”1/8” 1/4” 3/8” 1/2” 1”3/4”

13 Libretto GridlessMetalCeilingSystem

Roundorsquareperforations

CustomGraphic Provide your own illustration or use up to five standard hole sizes to design a custom pattern. An electronic Perforation drawing (.dwg or .dxf) will be required at time of manufacture. Note: Custom graphic perforation patterns

require a minimum 3/4 break across panel joints.

C500


Design Guide

Standard Recommendedforrectangularpanelsonly.Eachpanelwillhaveaminimum3/8unperforatedborder. Perforation

Standard Perforations(shownat50%size)Sixofthemostpopularperforationpatternsshownhere.Thefollowingpatternsalsoavailable:A062,A188,A250,A500,C116,C188,C250AandD375.SeeUSGperforationselectorIC425forfull-sizeillustrationsofallpatterns.

A116

C062

D500

C375

D250

Pattern No. C�00 Pattern No. D2�0 Pattern No. D�00

Round—1/2perforations Square—1/4perforations Square—1/2perforations

1-1/2o.c.,9%openarea 3/4o.c.,11%openarea 1-1/2o.c.,17%openarea

Pattern No. A�� Pattern No. C0�2 Pattern No. C3��

Round—15/128perforations Round—1/16perforations Round—.375perforations

.25o.c.,17%openarea .351o.c.,2%openarea 1-1/8o.c.,9%openarea


Step 3 4 Profile � ProfileSelect Perimeter Profile

8 Profile

Step 4 – CompletetheSelectorWorksheetonpages16and17.Finish and Specify – Prepareanelectronicdrawing(.dwgor.dxffile)ofyouroverallceilinglayoutandLibrettoshape(s).Your Design – ContactyourlocalUSGrepresentativetodiscussanyquestionsaboutyourdesignorcall800USG.4YOUto

locatearepresentativenearyou.


Shape and Size Crescent Serpentine Polygon Torus Other

Totalsq.ft.area_______________

Perforation Contoured Contouredperforationpatternsconformtotheshapeoftheceiling.Perforationpatternsflowsmoothlyacrosspaneljointswithouginterruption.Usingourproprietaryperforationtechnology,ourexperiencedstaffcanprovideanaestheticallypleasingpatternwithminimalspecifications.Selectthefollowing:

A.Punchshapeandsize:

Shape Round Square

Size 1/8 1/4 3/8 1/2 3/4 1

B.Minimumdistancebetweenholes(minimum1/16betweenholeedges).

C.Minimumdistancebetweenrows(ifdifferentfromB).

D.Borderdimensiontoframetheisland(3/8min.).

Round Perforations Square Perforations

Custom Graphic –Provideafull-scaleelectronicdrawing(.dxfor.dwgfile)illustratingyouridea. –OurstaffcanhelprefineyourconcepttoensurethatitfitswithinLibrettodesignguidelines. Note:Customgraphicperforationpatternsrequireaminimum3/4breakacrosspaneljoints.

Standard Eachpanelwillhaveaminimum3/8unperforatedborder;theexactborderdimensionmaybespecifiedoritmaybedevelopedbyourstafftoassurethatthepatterniscenteredoneachpanel.Standardperforationisrecommendedforrectangularislandsonly.

A062 C062 D250

A116 C116 D375

A188 C188 D500

A250 C250A

A500 C375

C500

Smooth Noperforation

Selector Worksheet

C

D

B

A

C

D

B

A


Acoustibond Backer Black White None

AvailablewithFlatWhiteandSilverSatinpanelsonly.

Perimeter Profile Availableprofiles:

4 6 8

Note:Minimum12plenumdepthand8clearanceabovetopedgerequiredforproperinstallation.

Colors SilverSatin[002] FlatWhite[050]

Customcolorbasedonindustrystandardcolorsortomatchcustomersample.Providepaintmanufacturer’s nameandcolornumberora3x5colorsample.

Notes:(1)Metalliccolorsnotavailable.(2)StandardAcoustibondbackernotavailablewithcustomcolor.Checkfor availabilityandrestrictions.

Utilities Factory cutouts Availableonrequest.Provideanelectronicdrawing(.dxfor.dwgfile)indicatingexactsizesandpositions.

Integrated Fixtures Pleaseprovideanelectronicdrawing(.dxfor.dwgfile)showingallfixturessuchaslighting,sprinklingandHVACsowecanensurethattheseitemswillnotintersectapaneljointorinterferewiththeconcealedcarriersystem.

Accessories Hanger Options Choosefrom12-gaugegalvanizedwireforconcealedapplicationsordecorativesolutionsforexposedapplicationsincluding18-gaugestainlesssteelwireormulti-strandedaircraftcable.SeeinstallationguideIC453foroptionsandapplications.

Access Ports StandardLibrettoceilingsareinstalledprogressivelyandarenotaccessible.Ifrequired,ourstaffcanassistindesigningspecialpanelswithaccessportstomeetyouraccessiblilityneeds.Provideanelectronicdrawing(.dwgor.dxffile)indicatingpoint(s)whereaccessisneeded.

Contact Name

Contact Phone Number

Project Name

Application Details


Wall Termination

Section Plan

LIBRETTO panel

perimeterprofile

trim screw- attached to wall as bracing

panel hanger clip

carrier channel

hanger wire

A

19

B

19

C

19

Perimeter Profile – Perpendicular to Carrier Perimeter Profile – Parallel with Carrier

Typical Assembly


channel splice extension

LIBRETTO panel

6" profileshown


carrier channel

screw attached

8" to 12" hanger wire4' o.c. max.

structure

8" min.

A

19


panel hanger clip

panelalignment tab

carrierchannel

structure

LIBRETTO panel

6" profile shown

hanger wire

8" to 12"

8" min.

C

19

panel hanger clip

channel splice

suspension wire

suspension channel

LIBRETTO panelsB

19

Application Details


Utility Integration Optional Access Panel

Recessed Light Fixtures Sprinkler Systems

Signage

LIBRETTO panel

LIBRETTO removable access panel

LIBRETTO panel

panel hanger clip carrier channel

light fixture(by others)

light-trim ring(by others)

fixtureindependentlysupported

light-fixturemounting bracket(by others)

water supplyfeed pipe

deflector(dropped position)

cover-plate retainer assembly

sprinkler support- clip assembly

face of sprinkler fitting

LIBRETTO panel

panel hanger clipsuspension channel

LIBRETTO panel

panel hanger clip

carrierchannel

Exit light fixture(by others)

light-fixturemounting bracket(by others)

Note: Accessibilityonspecialrequest.Pointaccessonly.Indicaterequiredaccesspoint(s)onreflectedceilingplan.

2� Libretto Gridless Metal Ceiling System

System Components

Libretto Panel – Solid Libretto panel – Perforated, with Acoustibond Backer

Carrier Channel – Straight Carrier Channel – Curved

Channel Splice/Extension Panel Hanger Clip

Perimeter Profile – Straight Perimeter Profile – Custom-Curved Perimeter Profile – Pre-Mitered Corner

Profile Splice Profile Attachment Clip

black or whiteACOUSTIBOND backer(optional)


Backlighting Fluorescentfixtureswithnoreflectorprovidenon-directionalilluminationinspace.Useoffixtureswithareflectordirectslightdownwardandreducesupwardspilllight.

Linear Fluorescent Fixtures

Lighting

A Libretto ceiling may be lighted in a variety of ways, creating effects that can showcase the unique qualities of the ceiling itself, highlight architectural details of the space, or play a central role in your design theme. Following is an overview of general lighting options. For specific concepts developed by an independent lighting design consultancy, see USG design guide IC533.

varies

mounting positions of fixtures varies

depending on design parameters

mounting positions of fixtures varies

depending on design parameters

use of reflector directs light downward and reduces upward spill light

no reflector provides non-directionalilluminationin space

varies

varies

Lighting - Linear Fluorescent


Backlighting Where ACOUSTIBOND backer is not selected, the perforation pattern can be projected on walls and floors of the space.White ACOUSTIBOND backer will diffuse light to create an even glow. (See photo on brochure cover.)

Directional Fixtures

varies

directional sources for longer distance lighting, actual fixture placement, beam spread & lamp choice to be determined upon pending design parameters.

varies

Lighting - Directional Sources


Backlighting ProgrammableLEDsaddanadditionallevelofinterestbyallowingtheopportunitytoprojecttheperforationpatternwithchangingcolors.

Programmable Color LEDs

variesprogrammable color fixtures

perimeter-mounted programmable color fixtures adddrama with alternatinglight sequences

varies

Lighting - LED Programmable Color

Lighting


Uplighting Low-voltagetracklightingcanbeattachedtotheLibrettoceilingsurfacefordramaticuplighting.Pendant-styleindirectfluorescentfixturescreateamoreuniformeffect.

Track and Pendant Lighting

low voltage decorative lighting to enhance bottom surface of LIBRETTO ceiling and surounding environment

flexible track/rail suspendedthrough perforations. rail can follow ceiling contours if desired

Lighting - Decorative

Accent Lighting Highlight specific features within a space, and provide effective task lighting in seating areas and workstations.

Rail-Mounted Low-Voltage Fixtures

Lighting

low-voltage lighting for accenting artwork, reception counter, corporate logo,seating, etc.

flexible track/rail suspendedthrough perforations. rail can follow ceiling contours if desired



Part � �.� A. DescriptionofWork:WorkofthisSectionincludes,butisnotlimitedto,thefollowing:General Summary �. Metalceilingpanels. 2. Metalsuspensionsystems. 3.Trimandaccessories.

�.2 A. SeeSection____________–HVAC Related work B. SeeSection____________–Lighting

specified elsewhere C. SeeSection095100(09150)–AcousticalCeilings

�.3 A. ProductData:Submitmanufacturer’sspecificationsandinstallationinstructionswithprojectconditionsand Submittals materialsclearlyidentifiedordetailedforeachrequiredsystem.

�.4 A. ASTMC636:RecommendedPracticeforInstallationofMetalSuspensionSystemforAcousticalTileand References Lay-inPanels. B. CISCACeilingSystemsInstallationHandbook

�.� A. ReferenceStandards Quality assurance �. SSMAICBOER-4943PSteelStudManufacturersAssociationProductTechnicalInformation 2. ASTMC636,RecommendedPracticeforInstallationofMetalSuspensionSystems. 3. CISCACeilingSystemsInstallationHandbook B. Submittals �. Samples:Submitrepresentativesampleofcolorandfinishforallexposedmaterials. 2. ShopDrawings: a. Reflectedceilingplans:Submitceilingsuspensionsystemlayoutindicatingdimensions,lightingfixture

locations,andrelatedmechanicalcomponents. b. AssemblyDrawings:Indicateinstallationdetails,accessoryattachmentsandinstallationofrelated

mechanicalsystemcomponents. 3. Manufacturer’sData: a. SystemDetails:Submitmanufacturer’scataloguecutsorstandarddrawingshowingdetailsofsystem

withprojectconditionsclearlyidentifiedandmanufacturer’srecommendedinstallationinstructions.

�.� A. Delivery: Delivery, Storage �. DeliverMaterialtositepromptlywithoutundueexposuretoweather.

And Handling 2. Deliverinmanufacturer’sunopenedcontainersorbundles,fullyidentifiedwithname,brand,typeandgrade.

B. Inspection: �. Promptlyinspectdeliveredmaterials,filefreightclaimsfordamageduringshipment,andorderreplacement

materialsasrequire.Anydamagedmaterialsshallbepromptlyremovedfromthejobsite. C. Storage: �. Storeabovegroundindry,ventilatedspace. 2. Protectmaterialsfromsoiling,rustinganddamage. D. Handling: �. Handleinamannertoensureagainstracking,distortionorphysicaldamageofanykind.

�.� A. EnvironmentalRequirements ProjectConditions �. Donotinstallsystemoranypartsuntilspaceisenclosedandweatherproof,wet-workiscompleteanddry, foroccupancy.

Application Guide Specifications

�.8 A. General: Coordination �. Coordinatewithotherworkincludingmechanicalandelectricalworkandothertrades.Installationofconduit

With other work: andductworkabovethemetalceilingsystemshallbecompletebeforeinstallationofthemetalceilingsystem.

B. Protection: �. Followgoodsafetyandindustrialhygienepracticesduringhandlingandinstallingofallproductsandsystems,

withpersonneltotakenecessaryprecautionsandwearappropriatepersonalprotectiveequipmentasneeded.ReadMaterialSafetyDataSheetsandrelatedliteratureforimportantinformationonproductsbeforeinstallation.Contractortobesolelyresponsibleforallpersonalsafetyissuesduringandsubsequenttoinstallation;architect,specifier,ownerandmanufacturerwillrelyoncontractor’sperformanceinsuchregard.

Part 2: �.� A. Librettometalceilingpanels:Materials: Materials �. ManufacturedbyUSGInteriors,Chicago,IL,USA,incompliancewithapplicableASTM&IndustryStandards. DesignedtobeinstalledwithLibrettoSuspensionSystem. 2. Panelfinishesshallbepaintedincolor/finish#*Refertopage17forfinishavailability. 3. Perforationpatterns. a. Forcontouredpattern:Perforationpatternshallconvergeanddivergeasnecessarytofollowtheshape

specifiedonthearchitecturalplans.Variablepatternshallconsistof[size&shape]perforationsandminimumspacing[Bdimension]x[Cdimension]and[Ddimension]border.[Deleteifnotused].*Refertopage12foravailableholeshapesandsizes.

b. Forcustomgraphic:Perforationplanshallbeacustomdesigninaccordancewitharchitecturalplans[Deleteifnotused].*Refertopage12foravailableholeshapesandsizes.

c. Forstandardpattern:PerforationpatternshallbeUSGstandard[pattern]with[width]panelborder [Deleteifnotused].*Refertopage14forStandardPerforationpatterns. 4. Panelsshallhavefactory-applied[black][white]acousticalbacker.USGAcoustibondorequivalent. B. Librettocarriersystem: �. ManufacturedbyUSG(UnitedStatesGypsumCompany,USGInteriors),Chicago,IL,USA,incompliancewith

applicableIndustryStandards. 2. 1-1/2inchcold-rolledU-channel,16-gauge,commercialquality,hot-dippedgalvanized.Allpartsfactory-curved

andfactory-cuttofinaldimensionsasrequiredforinstallation. 3. Carrierchannels:Channelsplices,channelextensions,andpanelhangersofcommercial-qualitycold-rolled

steel,exposedsurfaceshot-dippedgalvanized. C. Accessories:[Deletethissectionwhennotused] a. Panelswithcutouts:Forincandescentlights,sprinklers,orspeakersinaccordancewitharchitecturalplans. b. Panelswithaccessportsinaccordancewitharchitecturalplans. c.Hangerwirenotetospecifier:Commoninstallationpracticeforsuspendedsystemswouldbethe

useof12-ga.steelhangerwire.Alternativedecorative18-gaorstainlesscablescanbesubstitutedwithlocalauthorities’approval.

D. Librettoperimeterprofile: �. ManufacturedbyUSG(UnitedStatesGypsumCompany,USGInteriors),Chicago,IL,USA,incompliancewith

applicableASTMStandards.DesigntobeinstalledonLibrettometalceilingpanels. 2. Custom-engineered,roll-formedtrimchannelsofcommercial-qualitysteel.Allpartsfactory-curvedandfactory-

cuttofinaldimensionsasrequiredforinstallation. 3. Profilesize:[4-inch][6-inch][8-inch]highwith9/16-inchhorizontallegs. 4. Profilefinishesshallbepaintedincolor/finish#*Refertopage17forfinishavailability. �. Profileattachmentclipsofcommercial-qualitycold-rolledsteel,exposedsurfaceshot-dippedgalvanized. �. Profilesplicesofcommercial-qualitycold-rolledsteelinfinishtomatchLibrettoperimeterprofile;formedfor

snap-fitintoLibrettoperimeterprofile.

Application Guide Specifications



Part 3: 3.� A. Standardforceilingsuspensionsysteminstallations:ComplywithASTMC636.Execution General B. CISCACeilingsSystemsHandbook.

3.2 A. Examineareastoreceiveceilingpanelsforconditionsthatwilladverselyaffectinstallation.Providewritten Inspection reportofdiscrepancies. B. Donotstartworkuntilunsatisfactoryconditionsarecorrected. C. Worktobeconcealed:Verifyworkaboveceilingiscompleteandinstalledinmannerthatwillnotaffectlayout

andinstallationofceilingpanels. D. Beginningofinstallationshallsignifyacceptanceofconditionsinareastoreceiveceilingpanels.

3.3 A. Fielddimensionsmustbeverifiedpriortoinstallation. Preparation

3.4 A. Standardreference:Installceilingpanelsandsuspensionsystem,includingnecessaryhangers,grillage,and Installation othersupportinghardwareinaccordancewithASTMC636,CISCACeilingSystemsHandbook,anyapplicable

coderequirement,andmanufacturerrecommendations. B. HangerWires: �. Spacing:Spacehangerwiresonthesuspensionchannelsnotmorethan48incheso.c. 2. Limitations:Attachhangerwiresdirectlytothestructure,asrequiredtosupporttheimposedloads.

Donotsupportwiresfrommechanicaland/orelectricalequipment,pipingorotherequipmentoccurringaboveceiling.

C. Librettocarriersystem �. Hangsuspensionchannelsbyhangerwiresinaccordancewithshopdrawings. 2. Connectsectionsofsuspensionchannelsbyapplyingchannelspliceswithself-drillingsheetmetalscrews. 3. Applychannelextensionstotheendsofthesuspensionchannelswithself-drillingsheet-metalscrews. D. Librettopanels. �. Installpanelsprogressivelyinaccordancewithshopdrawings. 2. Suspendpanelsfrompanelhangerclips. 3. Interlockadjacentpanelsalongthefactoryformedstandingseamedgespermanufacturer’srecommendations. E. Librettoperimeterprofile. �. ApplyprofileattachmentclipstotheendsofLibrettopanelspermanufacturer’srecommendations. 2. Profileattachmentclipsshallbespacedbetween18to36inchesoncenter. 3. Installprofilecomponentsprogressivelyinaccordancewithshopdrawingsandmanufacturer’s

recommendations. 4. Connectsectionsofperimeterprofilebysnappingtogetherwithtrimsplicespermanufacturer’s

recommendations.

3.� A. Performanynecessarycleaningmaintenancewithnon-solvent-basedcommercialcleaner. Cleaning B. Immediatelyremoveanycorrosivesubstancesorchemicalsthatwouldattackpaintedfinishes

(i.e.wallpaperadhesives). C. Touchupallminorscratchesandspots,asacceptable,orreplacedamagedsectionswhentouch-up

isnotpermitted. D. Repaintingofcomponentsshallbewithahigh-qualitysolvent-basedenamelpaintandappliedas

recommendedbypaintmanufacturer. E. Removalofdebris:Removealldebrisresultingfromworkofthissection.

Head First



32 Libretto GridlessMetalCeilingSystem

Smooth, flowing planes

Technical Service

800 USG.4YOUWeb Sites

usg.comusgdesignstudio.comSamples/Literature

888 874.2450Samples/Literature E-mail

[email protected]/Literature/Fax

888 874.2348Customer Service

800 950.3839

Manufactured by USG Interiors, Inc.550 West Adams StreetChicago, IL 60606

IC525/8-07© 2007, USG Interiors, Inc.Printed in U.S.A.

Product InformationSee usg.com for the most up-to-date product information.NoteAll products described here may not be available in all geographic markets. Consult your local sales office or representative for information. TrademarksThe following trademarks used herein are owned by USG Interiors, Inc. or a related company: Acoustibond, Libretto.PatentsPatents pending.NoticeWe shall not be liable for incidental and consequential damages, directly or indirectly sustained, nor for any loss caused by application of these goods not in accordance with current printed instructions

or for other than the intended use. Our liability is expressly limited to replacement of defective goods. Any claim shall be deemed waived unless made in writing to us within thirty (30) days from date it was or reasonably should have been discovered. Safety First!Follow good safety and industrial hygiene practices during handling and installation of all products and systems. Take necessary precautions and wear the appro- priate personal protective equip-ment as needed. Read material safety data sheets and related literature on products before specification and/or installation.

Documents

IC525 Libretto Gridless Metal Ceiling System - USG Corporation