Robertson grating cat 06F · Introduction 1 Robertson Grating Products – “The Grate Company” Robertson Grating Products is the premier grating supplier and

PRESORTEDSTANDARD

U.S. POST AGE PAIDPORTLAND, OR

PERMIT NO. 3995

Robertson Grating Products, Inc.P.O. box 2889Clackamas, OR 97015

Robertson Grating Products Inc.

9180 SE Lawnfi eld Road PO Box 2889

Clackamas, OR 97015

Toll Free: 877-638-6365

Fax: 877-794-5629 Local: 503-794-5629

Local Fax: 503-794-5632e-mail: [email protected] BAR GRATING

PLANK GRATING

FIBERGLASS GRATING

HANDRAIL FITTINGS

SAFETY NOSINGS

POLYDRAIN

PERFORATED METALS

WOVEN WIRE

PRODUCTS AND SERVICE GUIDE

“The Grate Company”

Free Estimates • Complete Fabrication • CAD Drawings

877-638-6365 toll-free • 877-794-5629 fax • Sales e-mail: [email protected]. Box 2889 • Clackamas, OR 97015

Table of ContentsIntroduction . . . . . . . . . . . . . . . . . . . .1Steel Bar Grating . . . . . . . . . . . . . . . .2Heavy-Duty Steel Bar Grating . . . . . .3Wheels n’ Heels® Grating . . . . . . . . .4Aluminum Bar Grating . . . . . . . . . . . .5Grating Stair Treads . . . . . . . . . . . . . .6Safety Grating . . . . . . . . . . . . . . . . . .7Slip-Not® Components . . . . . . . . . . . .8Glossary of Terms . . . . . . . . . . . . . . .9Bar Grating Standards . . . . . . . . . . . .10Aluminum Plank . . . . . . . . . . . . . . . . .13RGP Molded Fiberglass Grating . . . .15Pultruded Fiberglass Grating . . . . . . .16RGP Plate & RGP Covered Grating . .18RGP Structural Fiberglass & Hardware .19GRIP-STRUT® Safety Grating . . . . . .20PERF-O GRIP® Grating . . . . . . . . . . .31TRACTION TREAD Flooring . . . . . . .37GRATE LOCK Grating . . . . . . . . . . . .38Pre-Shaped Trench Drain . . . . . . . . .41Drainage Trench Solutions . . . . . . . . .42Foundry Castings . . . . . . . . . . . . . . .43Perforated Metal . . . . . . . . . . . . . . . .44Woven and Welded Wire . . . . . . . . . .45Expanded Metal . . . . . . . . . . . . . . . . .46Handrail Fittings . . . . . . . . . . . . . . . . .47Post Caps & End Caps . . . . . . . . . . .52Caps & Flanges . . . . . . . . . . . . . . . . .53Slip-On Handrail Fittings . . . . . . . . . .54Handrail Fittings . . . . . . . . . . . . . . . . .58Safety Stair Nosings . . . . . . . . . . . . .59

877-638-6365 toll-free • 877-794-5629 fax

Sales e-mail: [email protected]

P.O. Box 2889, Clackamas, OR 97015

TOLL FREE 1-877-638-6365 TOLL FREE 1-877-638-6365

www.rgpgrates.com www.rgpgrates.com

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1Introduction

Robertson Grating Products – “The Grate Company”

Robertson Grating Products is the premier grating supplier and fabricator in the USA. Serving grating requirements from the Pacific to the Atlantic, Robertson Grating Products is your one stop location for all steel, aluminum, stainless, and fiberglass grating needs. Our warehouse and fabrication facility is filled with stock material and ready for your grating fabrication needs. RGP can meet the requirements of the largest grating jobs in the industry. Our large stock in grating and handrail components assures you will receive optimal price and service. At RGP, all grating is fabricated according to NAAMM Standards, and the experience of our company guarantees you will receive your grating accurate to specifications at your shop or job site on schedule.

Robertson Grating Products can help you with bar grating, plank grating, fiberglass grating, handrail fittings, American Safety Tread, PolyDrain, perforated metals, woven wire, expanded metal, and more.

Serving grating requirements from the Pacific to the Atlantic, Robertson Grating Products is your one stop location for all steel, aluminum, stainless, and fiberglass grating needs.”

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2 Steel Bar Grating

19W4 & 19W2 Bearing Bars at 1-3/16" O.C.

Available Spacings

Bar Size Weight Per Sq. Ft. (lbs)

Conversion TableThe loads shown are for type 19-4 and 19-2 gratings. To determine the load carrying capacity for alternative bar spacings, multiply the loads given by the following conversion factors (deflection remains constant)

Types 15-4 & 15-2: 1.27 Types 11-4 & 11-2: 1.70 Types 7-4 & 7-2: 2.50

3/4"x1/8"

3/4"x1/16"

1"x1/8"

1"x3/16"

1-1/4"x1/8"

1-1/4"x3/16"

1-1/2"x1/8"

1-1/2"x3/16"

1-3/4"x3/16"

2"x3/16"

2-1/4"x3/16"

2-1/2"x3/16"

Note: Cross bars typically extend 1/8" each side of panel. Panel widths do not include these extensions.

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3Heavy-Duty Steel Bar Grating

Heavy-Duty Steel bar Grating Type 19W4 and 19W2

NOTE: 5/16" or 3/8" heavy weld sizes also available. Contact Robertson Grating Products

Panel Widths

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4 Wheels n’ Heels® Grating

Heavy Duty Steel GratingA type of heavy-duty welded steel grating which satis-

fies both the vehicle loading requirements of AASHTO and the pedestrian comfort requirements of the Americans with Disabilities Act. The Long Span Series may be speci-fied as serrated or a slip-resistant surface may be applied to either type of grating. Wheels n’ Heels® is ideal for parking garages, sidewalks, and pedestrian accessible roadways where ventilation or drainage is required.

Construction: WeldedMaterial: Plain Steel

Mill Finish, galvanized, or standard black paint

Heights: 1", 1-1/4", 1-1/2", 1-3/4", 2" (short span), 2-1/2", 3", 3-1/2", 4", 4-1/2", 5" (long span)

Bar Thickness: 1/4"Bar Spacing: 1/2" (8-WH-4) or 3/4" (12-WH-4)

(short span), 15/16" (15-WH-4), or 1-7/16" 23-WH-4) with 3/16" filler bars on same centers (long span)

Lengths: 3' (short span) 8' (long span)

Specifications

Short Span

Short Span

Long Span Plain Surface

Long Span Serrated Surface

Long Span Serrated Surface

Long Span Plain Surface

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5Aluminum Bar Grating

Swage-Lock Rectangle Bar

Swage-Lock Serrated

Aluminum grating used as sun-screen over entry-way.

Swage-Lock Flush Top

I-Bar

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6 Grating Stair Treads

Aluminum TreadsRectangular Bars

Steel Treads

Note: When tread length exceeds 5'-6" (1.67m), design tread for 300lb (1.33kN) concentrated loads at one-third points.

Dimension Ain details above– in. (mm)

Stair Tread with Checkered Nosing

Stair Tread with Abrasive Nosing

Stair Tread with Corrugated Nosing

Single JawGalvanized, or

316-stainless steel

Countersunk Land Anchor Block Saddle Clip Galvanized, or

316-stainless steel

G-Clip Clamp Galvanized, or

316-stainless steel

Grate-Fast Pultruded Fiberglass Clip 316-stainless steel

Anchor Devices

GT-WGalv., carbon steel, or 316-stainless steel clip

GT-RGalv., carbon steel or

316-stainless steel clip

SSGT-X316-stainless steel clip

SSGT-F316-stainless steel clip

for pultruded, fiberglass grating

SSGT-Y316-stainless steel clip

for 1-1/2" sq. mesh, molded fiberglass

SSGT-Z316-stainless steel clip

for 2" sq. mesh, molded fiberglass

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7Safety Grating

Riveted Bar Grating

First choice of many engineers

Greater load carrying capacity

Recommended in difficult stress situations

Increased resistance to buckling and shuttering

Smoother surface for vehicular traffic.

High strength and stiffness to weight ratio

Unparalleled when rolling stock is used

Use as flooring, ramps, docks, etc.

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Note: Riveted grating marking indicates space between bearing bars.Note: Dimensions inside face to inside face of bearing bars.

Slip-Not® Safety Grating

Choice of Steel Or Aluminum

Designed using the truss style

Each rivet is individually cold-pressed

Reticuline bars are sealed together

Open mesh or close mesh is available

On special order, heavy-duty bar sizes and/or widths greater than shown are also available.

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Serrations For Safety

Lower installation costs

Maximum openness

Better drainage

Maintenance-freeContact Robertson Grating Products for more information regarding design and specifications.

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Riveted Bar Grating

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8 Slip-Not® Components

Slip-Not® Components

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9Glossary of Terms

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10 Bar Grating Standards

General Recommendations for Grating InstallationGrating shall be installed with cross bars on top side to obtain the strength characteristics as indicated.

Metal shall be used for all grating supports

A minimum of 1 in. (25mm) shall be provided

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11Bar Grating Standards

Manufacturing Tolerances

NOTE:

All manufacturing, fabrication, welding, and tolerances shall comply with the NAAMM Metal Bar Grating manual designated ANSI/NAAMM MBG 531 (current edition).

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12 Bar Grating Standards

Manufacturing TolerancesAll tolerances indicated are maximum permissible values

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13Aluminum Plank

Plank Punch/Pattern AvailabilityAluminum plank grating is available unpunched or with

a variety of punch/patterns as shown below. Rectangular or square punched holes are most commonly used for water and waste treatment plants and in marine applica-tions, while the round holes find application primarily in

the marine market. The surface of plank grating can be specified as plain or with one of two styles of upsets (OGI or WACO) designed to promote a slip resistant walkway, especially in the pres-ence of moisture, oil or other spilled substances.

Note: Plank is also available in a Dog-Bone punch pattern by special request. Contact Robertson Grating Products.

Section AvailabilityPunch/Pattern Availability

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14 Aluminum Plank

Plank Load Tables

* Based on punched plank

Note: Grating for spans to the left of the heavy line have a deflection less than 1/4" for uniform loads of 100 lbs./sq. ft. This is the maximum deflection to afford pedestrian comfort and can be exceeded for other types of load at the discretion of the engineer. The actual Ped (pedes-trian) Span under this condition is shown above for each size of grating. This grating conforms to MIL-G-18015 (SHIPS).

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15RGP Molded Fiberglass Grating

Molded Fiberglass GratingRGP Molded Fiberglass Grating is available in both high-quality polyester (standard) and vinyl ester resin for harsher

chemical applications. Our high-traction grit surface is standard, but meniscus (concave/non-grit) is available upon request. Molded comes standard in gray and green. Other colors such as yellow and orange are available upon request. Contact Robertson Grating Products for details.

Maximum load represents a 5:1 factor of safety on Ultimate Load Capacity

Ultimate Load Capacity represents failure of the grating (failure defined as a significant drop in load carrying capability of the grate

Above load and deflection data are from actual test data gathered in US. Test was conducted in ambient temperatures.

The load and deflection data provided above are intended as guidelines only, to help determine proper grating size for the application. Changes of resin system, surface, and environment may alter loading data. We cannot be responsible for the performance of the grating under different conditions.

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Depth 1" 1-1/2" 2"Sq. Mesh 1-1/2" 1-1/2" 2" Panel Size 3' x 10' 3' x 10' 4' x 12' 4' x 8' 4' x 8' 4' x 12' 5' x 10'Wt./Sq. Ft. 2.5 lbs 3.9 lbs 4.7 lbsOpen Area 69% 69% 71%

Concentrated Load Uniform Load

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16 Pultruded Fiberglass Grating

Style I-4010

Style I-6010

Pultruded I-Bar SeriesPultruded fiberglass grating has the great corrosion resistant attributes of our popular molded grating, but with its higher

percentage of glass, gives a higher unidirectional strength and stiffness. It is available in both polyester and vinyl resins with both gray and yellow available. Pultruded is easy to install and its durable grit surface will give your walkway added safety.

Standard Features:

Polyester resin standard. Vinyl ester available.

Available colors: gray and yellow

Durable grit surface

Cross-bar spacing: 6" on-center

Standard panel size: 4'x12'NOTE: Custom lengths, colors, bar spacings, and finishes are available. Contact RGP for details.

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17Pultruded Fiberglass Grating

Style T-1800T-1800 is commonly used in applications where close spacing between T-bars is critical for foot traffic comfort. Typical ap-

plications include trenches around swimming pools and decking. Light gray is common color. Light grit is standard for foot comfort.

1" T-1800Bars/Ft. 8Load Bar 1"Open Area 18%Approx. Wt. 2.86 lbs/sq. ft.

Style I-4015

Style I-6015

T-1800 Detail

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18 RGP Plate & RGP Covered Grating

RGP Plate and RGP Covered Grating

RGP Plate–Available in Grit Surface or Smooth Surface

RGP Covered Grating–Grit Surface

RGP Covered Grating–Smooth Surface

RGP Plate and RGP Covered Grating is perfect for applications requiring both a solid floor and corrosive resistance that fiberglass provides. Both are available in polyester and vinyl ester resins. RGP Plate comes available in thicknesses from 1/8" to 3/4". Please specify grit surface for traction or smooth top. RGP Covered Grating is like RGP Molded Grating with 1/8" fiberglass plate affixed to top. Popular panel size for both products is 4' x 8'.

RGP Stair TreadRobertson Grating Products has the stair tread you

need for high-traction performance, and since it's made of our high-quality resins, its built to last in harsh environ-ments. Order our stair tread panels or give RGP dimen-sions and quantities for pricing on your job fabricated to size. Colors green and gray are standard with grit surface and black nosing.

1-1/2" Thick, 1-1/2" x 6" MeshOpen Area 70%Approx. Wt. 4.66 lbs/sq. ft.

RGP Stair Tread Detail

Specifications

Material: Pultruded fiberglass reinforced poly-ester plate with anti-skid grit surface

Thickness: 1/8", 3/16", 1/4", 3/8", 1/2", 3/4"Size: 4' x 8' panelsResin: Polyester, vinyl esterColor: Gray standard, green, orange,

yellow, and other colors available upon request.

Surface: Grit or smooth surfaceResin information available. Contact RGP for details.

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19RGP Structural Fiberglass & Hardware

RGP Structural Fiberglass

Single Jaw I-615 Clip

I-610 Clip

I-415 Clip

I-410 Clip

SSGT-F For pultruded, fiberglass grating

SSGT-Y For 1-1/2" sq. mesh, molded fiberglass grating

SSGT-Z For 2" sq. mesh, molded fiberglass grating

Equal Leg Angle

Channel I-Beam Embedment Angle

Solid Rod

Round Tube

Square Tube

Wide Flange I-Beam

Many sizes available. Contact RGP for details.

Clip Assemblies for Molded and Pultruded Grating and PlateRGP offers specially-designed attachments and clips, both to fasten panels together and to secure them to support struc-

tures. All types are made of Type 316 stainless steel and are available in 1", 1-1/2" and 2" sizes. Install clips a maximum of every 48" and use at least four clips per piece of grating (at least eight clips per 4' x 12' panel.)

877-638-6365

20 GRIP-STRUT® Safety Grating

For over 40 years Robertson has teamed with Grip-Strut® to serve their customers nationwide,

Quality products and services are what RGP is all about!

2-Diamond Plank, 4-3/4" width 3-Diamond Plank, 7" width

Allowable loads and Deflections: U–uniform load (lb./ft.2) C–concentrated load (lb.) D–deflection (in.)

Spans to the left of heavy line produce a deflection of 1/4" or less under uniform load of 100 lb./ft.

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21GRIP-STRUT® Safety Grating

5-Diamond Plank, 11-3/4" width

also in stainless steel


also in stainless steel



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10 Diamond Plank, 24" width

10 Diamond Walkway, 24" width

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Stair Treads Load Data

2-diamond 3-diamond 4-diamond 5-diamond

Steel Gauge 14 12 14 12 14 12 14 12

Span Height U C U C U C U C U C U C U C U C

2'0" 1-1/2" 1191 472 1576 624 761 443 1006 587 549 435 750 595 434 425 575 563

2" 1978 783 2513 995 1262 737 1604 936 911 604 1158 917 721 573 916 897

2"6" 1-1/2" 764 378 1011 500 488 356 645 470 353 3449 481 476 278 342 369 452

2" 1268 611 1611 797 810 590 1029 750 584 578 742 734 463 566 587 719

3'0" 1-1/2" 532 315 703 418 340 300 450 393 245 300 335 398 194 300 258 378

2" 882 524 1121 665 563 492 716 626 407 483 517 614 322 473 409 601

4'0" 2" 498 394 633 501 318 372 404 472 230 364 292 463 182 356 232 454

2 Dia. 3 Dia. 4 Dia. 4 Dia. 5 Dia. 5 Dia.

Material Alum. Alum. Alum. Stainless Alum. Stainless

Gauge 0.80" 0.80" 0.80" 304 0.80" 304

Span Height U C U C U C U C U C U C

2'0" 2" 1328 526 862 503 607 481 610 483 396 388 394 386

2'6" 2" 850 420 551 402 388 392 390 387 253 388 252 381

3'0" 2" 590 350 383 335 270 327 271 323 176 321 175 319

4'0" 2" 332 263 215 252 152 245 152 244 99 241 98 241

Intermediate stringer is recommended for spans over 4'

Load data below takes eccentric loads into consider-ation. Although load values include allowances for normal impact conditions and usual pedestrian traffic, be sure to make provisions in the structural design for special uses and loads involving unusual impact forces or vibratory forces. Load-carrying capacity of stair treads increases as side channel height and gauge of material increase.

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Standard Tread

Tread with Abrasive Nosing

Grip-Strut Stair Treads Product Data

Steel, Aluminum, and Stainless Steel

Standard W/ Abrasive Nosing

A B C D A B C D

4-3/4" 1-1/2" 3/4" 2-5/8" — — — —

(2 dia.) 2" 1" 2-5/8" — — — —

7" 1-1/2" 3/4" 3-3/8" 8-1/8" 1-1/2" 3/4" 4-1/2"

(3 dia.) 2" 1" 3-3/8" (3 dia.) 2" 1" 4-1/2"

9-1/2" 1-1/2" 3/4" 5-7/8" 10-1/2" 1-1/2" 3/4" 6-7/8"

(4 dia.) 2" 1" 5-7/8" (4 dia.) 2" 1" 6-7/8"

11-3/4" 1-1/2" 3/4" 8-1/8" — — — —

(5 dia.) 2" 1" 8-1/8" — — — —

NOTE: Stainless steel not available in 2 and 3 diamond widths.

A, B, C, and D dimensions have a tolerance of +/- 1/16"

Heavy Duty Grip-Strut

Material

Steel 10 gauge (mill galvanized before fabrication ASTM A525

Steel 9 & 11 gauge special order–contact RGP

Black (unpainted and oiled steel) 10 gauge

Widths

Plank: 9-1/4", 13-3/4", 23-1/4", 27-3/4", 36"

Walkway: 24", 30", 36"

Heights

Plank: 2", 2-1/2", 3". 4"

Walkway: 5" depth

Lengths

10' or 12' stock lengths or cut-to-size

Open area: 52%

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Compliance with regulatory codes/standards/tested performance

Walkways meet OSHA toeboard requirements for elevated structures, with upturned 5-in. high integral side channels. Statistics show falls as the second highest cause of lost-time injuries in industry. Yet tests prove that falls can be reduced by the safe surface of Heavy Duty GRIP STRUT® Safety Grating.

Heavy Duty Stair Tread Load Table Load Clear SpanMaterial Height #/LF Cat. # Type 2'0" 2'6" 3'0" 4'0"Steel- 2” 7.4 HT-22010 U 2412 1544 1026 62910 ga. C 1860 1487 1240 929

Heavy Duty Stair Treads

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Heavy Duty Plank Heavy Duty Walkway

Heavy Duty Plank Detail = StockDescription Width Height A-Size Material2-Diamond 9-1/4" 2", 3", 4" 15/32" Galv. & Black 3-Diamond 13-3/4" 2", 3", 4" 1/2" Galv. & Black5-Diamond 23-1/4" 2", 3", 4" 13/16" Galv. & Black6-Diamond 27-3/4" 2", 3", 4" 27/32" Galv. & Black8-Diamond 36" 2", 3", 4" 17/32" Galv. & Black

Heavy Duty Walkway Detail = StockDescription Width B-Size Material5-Diamond 24" 1-3/16" Galv. & Black6-Diamond 30" 1-31/32" Galv. & Black8-Diamond 36" 17/32" Galv. & Black

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Reconditioning MaterialIncrease the safety and traction on worn and unsafe

floors and stairs. Resurface with Grip-Strut Recondition-ing Material (RM). Grip-Strut is the only product that gives 500 wall-to-wall teeth per sq. ft. Down-turned edges allow grating to lie flat and secure over existing flooring. Consult RGP for product specifications. RM products are available on special order in standard materials and sizes.

Ladder Rungs

Construction: Material is a channel with diamonds formed in the web of the channel.

Material: Steel 14 gauge galvanized or plain

Height: Stock 1-1/8"; Reverse diamond 1.625"

Width: Stock 2-1/2"; Reverse diamond 1.625"

Lengths: Stock 12' or cut-to-length; Reverse diamond 23.125"

Weight: 1.13 lbs./ft. steel

Safety Factor: 1.5 (steel)

Grip-Strut Safety Grating Ladder Rungs provide safer, more dependable footing indoors and out, in all weather. Serrated open diamond pattern lets stones, mud, snow, and debris fall through. Even hard ice crumbles underfoot for non-slip footing. Grip-Strut Safety Grating complies with the slip-resistance standards established by Federal Specification RRG-1602D. Contact RGP about loading.

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Stock 1-diamond rung shown

Span Height Standard W/ Abrasive Nosing

Steel 14 ga. Cat. # Size Cat. # Size

Up 1-1/2" T-21514 2-dia.–4-3/4" — —

to T-31514 3-dia.–7" T-31514-N 8-1/8"

48" T-41514 4-dia.–9-1/2" T41514-N 10-1/2"

Up 2" T-22014 2-dia.–4-3/4" — —

to T-32014 3-dia.–7" T-32014-N 8-1/8"

48" T-42014 4-dia.–9-1/2" T42014-N 10-1/2"

T-52014 5-dia.–11-3/4" — —

Steel 12 ga. Cat. # Size Cat. # Size

Up 1-1/2" T-21512 2-dia.–4-3/4" — —

to T-31512 3-dia.–7" T-31512-N 8-1/8"

48" T-41512 4-dia.–9-1/2" T-41512-N 10-1/2"

T-51512 5-dia–11-3/4" — —

Up 2" T-22012 2-dia

to T-32012 3-dia.–7" T-32012-N 8-1/8"

48" T-42012 4-dia.–9-1/2" T-42012-N 10-1/2"

T-52012 5-dia–11-3/4" — —

Aluminum .080"

Up T-32012-A 3-dia.–7" T-32012-N 8-1/8"

to T-42012-A 4-dia.–9-1/2" T-42012-N 10-1/2"

36" T-52012-A 5-dia–11-3/4" — —

Stainless Steel - Type 304 - 16 gauge

Up to 2" T-42016-S 4-dia.–9-1/2" — —

36" T-52016-S 5-dia–11-3/4" — —

Standard Sizes & Recommended Spans

Recommendations are based on approximate minimum loads of 300lbs. concentrated; 100lbs. uniform. Specific performance criteria may vary by municipality/building code body and should be locally checked prior to final-izing specifications.

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Pre-Galvanized Steel-14 Ga.-SerratedFed spec RRG 1602D Type II

Cat. No. Diamond Width Height11014 Rung* 1 2-1/2" 1-1/8"21514* 2 4-3/4" 1-1/2"22014* 2 4-3/4" 2"22514* 2 4-3/4" 2-1/2"31514* 3 7" 1-1/2"32014 3 7" 2"32514 3 7" 2-1/2"41514* 4 9-1/2" 1-1/2"42014* 4 9-1/2" 2"42514* 4 9-1/2" 2-1/2"51514* 5 11-3/4" 1-1/2"52014* 5 11-3/4" 2"52514* 5 11-3/4" 2-1/2"81514* 8 18-3/4" 1-1/2"82014* 8 18-3/4" 2"82514 8 18-3/4" 2-1/2"102014* 10 24" 2"103014* 10 24" 3"104514-U* Walkway 10 24" 4-1/2"

*Stock lengths are 12'. Special lengths available upon request.

Pre-Galvanized Steel-12 Ga.-SerratedFed spec RRG 1602D Type II

Cat. No. Diamond Width Height21512* 2 4-3/4" 1-1/2"22012 2 4-3/4" 2"22512* 2 4-3/4" 2-1/2"31512* 3 7" 1-1/2"32012* 3 7" 2"32512* 3 7" 2-1/2"33012* 3 7" 3"41512* 4 9-1/2" 1-1/2"42012 4 9-1/2" 2"42512* 4 9-1/2" 2-1/2"43012* 4 9-1/2" 3"51512* 5 11-3/4" 1-1/2"52012* 5 11-3/4" 2"52512* 5 11-3/4" 2-1/2"53012 5 11-3/4" 3"81512 8 18-3/4" 1-1/2"82012 8 18-3/4" 2"82512* 8 18-3/4" 2-1/2"83012 8 18-3/4" 3"101512 10 24" 1-1/2"102012* 10 24" 2"103012* 10 24" 3"104512-U* Walkway 10 24" 4-1/2"

Aluminum-.080" Ga.-Type 5052-SerratedFed spec RRG 1602D Type IV

Cat. No. Diamond Width Height22012-A** 2 4-3/4" 2"32012-A** 3 7" 2"42012-A** 4 9-1/2" 2"52012-A** 5 11-3/4" 2"Stainless Steel-16 Ga.-Type 304-SerratedFed spec RRG 1602D Type II

Cat. No. Diamond Width Height42016-S 4 9-1/2" 2"52016-S 5 11-3/4" 2"

Heavy Duty— Please contact RGP

NOTES:

*Also available in “Black” (plain steel)-add “B” to catalog number when ordering.

**Also available in .100” thickness Aluminum-change last 2 digits in cata-log number to “10A” when ordering.

Stock List

Standard lengths 10', 12', or cut-to-size. Special lengths up to 24 feet available. Contact RGP for details.

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Anchor and Clamp AssembliesClamp prevents grating from shifting on supports. Holds

pieces together with or without clearance between panels. All bolts are below top surface of grating. No holes are drilled in supporting members.

Assembly consists of anchor plate, 2 J-bolts, nuts, and washers, all hardware is electro zinc plated. The anchor plate is hot dip mill-galvanized before fabrication. Op-tion: anchoring device can be cadmium plated on special order. Call RGP for details.

Height Catalog# Height Catalog#

1-1/2” ACA-15 2” ACA-20

2-1/2” ACA-25 3” ACA-30

Anchoring Device ClipDiamond anchor catalog #12262 is shaped to fit in dia-

mond opening. Punched to receive 5/16" carriage head bolt with square shank. Does not include bolts, nuts, or washers.

Rooftop Walkways

Roof performance–protects membrane, optimizes roof performance by:

Saving roof from abuse of walking and equipment

Minimizing abrasion, walkway pressures on membrane (large rubber pads distribute support-stand loads)

Relieving membrane thermal stresses (no fasteners, low bearing stress permit membrane movement)

Maximizing direct, free-flow drainage (elevated planks, open supports, waffle pads)

Preserving membrane integrity

Versatility–designed for all roofing systems: built-up (BUR), single-ply (SPR), inverted, and spray-on

Economy–long life, low maintenance on roof and walk-way

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Benefits of Grip-Strut Rooftop Walkways:

Flat Stock Grip-Strut: Special OrderThe open matrix is symmetrical about the flat plane.

Table indicates the approximate dimensions of flat metal available on each side. Flat stock can also be manufac-tured to specified dimensions of flat metal on either or both sides. Please call RGP for specifications and avail-ability. Flat stock is available in all standard materials and sizes.

Dimensions for Steel And Aluminum

Matrix Flat metal each side

2-diamond 2-1/4" to 7-1/2"

3-diamond 2-1/8" to 6-1/2"

4-diamond 2-3/8" to 7-5/8"

5 diamond 2-3/8" to 6-1/2"

8-diamond 2-3/8 to 5-5/8"

10-diamond 3-1/4 to 7-5/8"

877-638-6365


Walkway Splice Plate Kits

Splice Plate Kit 30" Part No. SP-10DU-30

Four 9/16" dia. holes staggered in each corner of up-turned kickplate, two 8-hole, 12 ga. 4-1/2" x 30" C-channel splice plates with 16 ea. 1/2" x 1-1/4" hex head cap screws (galv. S.A.E. Grade 5, lightly oiled), washers and hex nuts. Kit joins continuous sections together in run over clear spans to act as one continuous unit. Any com-bination of 12 and 10 ft. planks can be joined with splice plate package.

Splice Place Package 7" Part No. SP-10DU-7

Four 1/2" dia. holes in each corner of up-turned kick-plate, two 8-hole 10 ga. 4" x 7" splice plates, with 16 ea. 7/16" x 1-1/4" bolts, washers and hex nuts. Each corner of up-turned kickplate should have four 1/2" dia. holes. Kit joins continuous sections together in a run only over sup-ports. Recommended bolt torque: 55 ft./lb. minimum.

Walkway Splice plates are also available for Heavy Duty Grip-Strut– contact RGP for details.

Recommended clearance

STEEL: 1/4" minimum is recommended at perimeter and 3/8" maximum at end joints. maximum between panels is 1/4". 1/8" is generally used.

CONCRETE: Concrete form deflection calls for slightly greater perimeter clearance. 1/2" is recommended. Maxi-mum between panels 1/4".

Bearing Surfaces

Recommended minimum bearing 1-1/2". Surfaces sup-porting Grip-Strut must be smooth and level to insure that adjoining sections provide a safe, even walking surface.

Permanent Installation

Grip-Strut is easily welded to supports for permanent in-stallations. Channels are quickly welded together between supports to provide uniform deflection in adjacent panels.

For welded attachment, secure side channels to sup-ports by fusion welding with 1/8" fillet welds. Weld adja-cent planks together with 1/8" fillet welds 1" long, 24" o.c. staggered top and bottom.

Install Grip-Strut according to details as shown on indi-vidual job drawings or as follows:

1.) Single width applications: Utilizing the anchoring device or weldings, attach Grip-Strut plank at every point of contact with supporting structure around perimeter of plank.

2.) Multiple width applications: Utilizing the Grip-Strut anchoring device or welding as recommended by A.I.S.I. attach plank around the perimeter at each point of contact with supporting structure. In field, attach plank to support-ing structure with a minimum of one attachment at each end of plank on alternate sides. When span exceeds 8 ft., weld or bolt side channels of adjacent planks together at midpoint of span. (When spans exceed 6 ft., consider similar treatment.)

General Installation Recommendations

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31PERF-O GRIP® Grating

PERF-O GRIP® 2-Hole Plank – 5" Width

PERF-O GRIP® Safe Loading Tables

Every year industrial accidents – falling, tripping over debris, slipping on wet or greasy surfaces – cost millions of dollars in lost man-hours and production. Insurance costs often are reduced when accident rates decline. PERF-O Grip Grating and Traction Tread Flooring help cut accident rates by providing safer walking-working surfaces.

Main Features of PERF-O GRIP:

Safe surface

Long life

Fast installation

Economical to install and use

Versatile in application

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U = Allowable Uniform Load (lbs/ft2)

C = Allowable Concentrated Load (lbs.) applied by 2" round bar across full width of grating

D = Vertical Deflection (inches) of side channels at mid span resulting from Allowable Load.

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D = Vertical Deflection (inches) of side channels at mid span result-ing from Allowable Load.

P-Bolt Seat – Standard

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32 PERF-O GRIP® Grating









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PERF-O GRIP® Walkway – 24" and 30" Widths

PERF-O GRIP® Grating Splice Plate Kits




Walkway Splice Plate Kits

Walkway Splice Plates provide continuity when multiple lengths of PERF-O GRIP are desired. Connections are reinforced with the addition of splice plates attached to side channels.

POG-WS-30 for 24" and 30" wide walkway

Each kit includes 2 splice plates and 32 each of the following hardware: 1/2" x 1-1/4" hex bolts, 1/2" 13 hex nuts and 1/2' flat washers.

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Surface Splice Plate Kits

As width increases, grating surface performance becomes more critical. Thus, for PERF-O GRIP product widths greater than 12", use of grating splice kit is recom-mended to mechanically join butt ends of plank sections.

POG-ES-10 for 18" wide plank includes 6 each of hard-ware shown below



Hardware included: 3/8" x 1 carriage bolts, 3/8" flat washers and bolt seats

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PERF-O GRIP® Grating Stair Treads and Carrier Plates

PERF-O GRIP® Grating Mid-Clip Support Clips

Stair treads and carrier plates are available in mill-gal-vanized and hot rolled, pickled and oiled (standard), but may be ordered in aluminum or stainless steel. Contact RGP for details.

PERF-O GRIP midsupport clips can be used at mid-span to increase load carrying capacities of individual channels by fastening several planks together to form and integral section. Mid Clip is manufactured from galvanized steel and includes two bolts.

Stair Treads – Standard

PERF-O GRIP Stair Treads have welded end-caps for attachment to stringers.

Mill galvanized steel, 11-gauge & 13 gauge

Hot-rolled, pickled and oiled carbon steel, 11-gauge & 13-gauge

24", 30", and 36" lengths

5", 7", 10" & 12" (nominal) widths

1-1/2" and 2" channel heights

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Stair Treads – Custom

PERF-O GRIP Stair Treads are also available with TRACTION-TREAD leading edge nosing.

Mill galvanized steel, 11-gauge & 13 gauge

Hot-rolled, pickled and oiled carbon steel, 11-gauge & 13-gauge

24", 30", and 36" lengths

12" (nominal) width

1-1/2" and 2" channel heights

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37TRACTION TREAD™ Flooring

TRACTION TREAD™ Flooring and PlankTRACTION TREAD Flooring, Planks, and Ladder Rungs feature a surface with hundreds of perforated buttons that provide

slip-resistance in all directions making it a practical choice for industrial applications. TRACTION TREAD is also appropriate for commercial applications where pedestrian traffic is a consideration, perfectly suited for ADA-compliant requirements.

TRACTION TREAD is easily adapted for a multitude of applications, offering a safe walking-working surface for walkways, ramps, stair-treads, and equipment platforms. TRACTION TREAD is ideal for the manufacture of special and fabricated prod-ucts, and is often used as a reconditioning material over existing surfaces that do not provide slip-resistance.

TRACTION TREAD Flooring is available in stock sheets designed for secondary fabrication requirements.

Material Options

Hot-rolled, pickled and oiled carbon steel: 11-gauge (5.0 lb. / sq. ft.) 13-gauge (3.8 lb. / sq. ft.) 16-gauge (2.5 lb. / sq. ft.)

Aluminum alloy 5052-H32 .125" (1.6 lb. / sq. ft.)

Sheet Size

Standard 36" x 120"

Cut to order

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Material Options

Hot-rolled, pickled and oiled carbon steel: 11-gauge and 13-gauge

Mill-galvanized steel: 11-gauge and 13-gauge

Plank Dimensions

7", 10" and 12" widths (nominal)

120" or 144" lengths (nominal)

1 1/2" (min.) or 2" (standard) channel height

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TRACTION TREAD Plank TRACTION TREAD Ladder Rungs

2-Hole ladder Rung

Hot-rolled, pickled and oiled carbon steel: 13-gauge (1.2 lb. / lf)

Aluminum alloy 5052-H32: .125 (0.5 lb. / lf)

1-1/4" W x 1-1/2" H x 48" or 60" length

3-Hole Ladder Rung



1-5/8" W x 1-1/8" x 48" or 60" length

4-Hole Ladder Rung



1-5/8" W x 1-1/8" H x 48" or 60" length

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NOTE: Specifications shown are for standard products. Contact RGP for details.

877-638-6365

38 GRATE LOCK® Grating

GRATE-LOCK Grating

GRATE-LOCK Grating is an easy-to-install system of interlocking grating planks, treads and accessories that provides safe, sturdy footing for mezzanine floors, platforms, walkways, and other applications where non-slip performance is required. Hundreds of sole-gripping dimples ensure a safe surface in all kinds of weather and environments. The grating is available for safer working surfaces, non-textured for wheeled traffic or rack decking.

Cost-saving design

Wide range of sizes and accessories

Fast field assembly

Traction grip and plain surfaces

Choice of two gauges: 14 and 18

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GRATE-LOCK Non-Slip Grating System Components - Plank Sections

GRATE-LOCK Non-Slip Grating System Accessories

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39GRATE-LOCK® Grating

GRATE-LOCK Grating - 1-1/2" Channel Height

GRATE-LOCK Grating - 2-1/2" Channel Height

Product Design and Selection Table

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40 GRATE-LOCK® Grating

GRATE-LOCK Grating - 3" Channel Height


GRATE-LOCK Grating - 4" Channel Height


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41Pre-Shaped Trench Drain

Robertson Pre-Shaped Trench Drain System

Drain Covers Typical PolyDrain System

Catch Basin

#502 Ductile Iron Grate

#503 Ductile Iron Grate Class E

#420 Galv. Slot Grate

#410 Perforated Grate

#422 Reinforced Galv. Grate

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42 Drainage Trench Solutions

Trench Grating

Robertson Grating Products provides high-quality trench side frames, grates, and solid cover castings. From pedestrian areas to loading ramps at airports, Robertson Grating Prod-ucts has the trench drainage solution to fit your application.

Standard heavy duty grates and covers are suitable for general traffic service and AASHTO H-20 loading conditions. (Our ADA style trench grating and solid trench covers are available for general traffic loading in addition to non-traffic application.) Extra heavy duty airport trench grating is made with ductile iron and is proof load tested to 200,000 pounds.

Type M2 Type M1/B1 Type M2

Type P, ADA Type A Solid Cover

Grating options include

parallel gratings,

perpendicular cross-street drainage

ADA styles,

available in 24" lengths

widths from 8" up to 51".

Frames come in 24", 36" and 48" lengths.

non-bolted units

bolted assembly.

For your convenience bolted grating and rail units are assembled in 24" length sec-tions using four stainless steel hex head bolts.

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When ordering trench products, please specify:1. Width of trench opening, dimension "A"

2. Seat depth, dimension "B"

3. Clear opening of trench, dimension "C"

4. Length of trench installation

5. Type of grate or solid cover

6. Are side frames required?

7. Are grates/covers bolted to the frames?

8. Load requirement

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43Foundry Castings

6900 & 6950 Trench Grate Series

6970 Trench Assembly

V-7380 Trench Grate Series, ADA

Heavy Duty

Standard trench grates available in: 23-7/8" lengths

Frames available in 24", 36" and 48" lengths.

Bolted trench grate units assembled in 24" sections.

Specify trench length and part number of desired trench width.

Solid cover available

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Heavy Duty

Available in 18" and 36" assemblies

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Bolted 24" assembly

Standard Trench

ADA compliant

Bolted or unbolted

Standard 3/8" slot openings for safety

Grates available in standard 24" lengths

Frames available in 24", 36", and 48" lengths

Specify trench length and part number of desired trench width

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44 Perforated Metal

Perforated Metal – Standard Patterns Available

Steel, Aluminum, Stainless, Copper, and Brass

Specify quantity and dimensions of sheets, pieces, or panels.

Indicate gauge and kind of material. Specify thickness in decimals

Specify size, shape, arrangement, and center of holes. If slotted, indicate whether they run lengthwise or crosswise of the sheets.

Specify widths of all margins.

If mounting holes are used, give size and locations on margins.

Indicate special shipping instructions. Unless otherwise indicated, we ship by motor freight. If shipped by rail, please give specific shipping instructions.

When custom panels, screens, or other non-standard items are required, send exact specifications.

For clarification, submit sketch or print.

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45Woven and Welded Wire

Wire Weaves

How To Order

Aggregate screens and industrial wire cloth. In order to eliminate costly errors and delays, include the following information when ordering.

Quantity: Number of pieces or rolls.

Width: Expressed in inches or fractions thereof. Width should always be specified first.

Length: Finished overall length.

Opening or mesh:

A. Square opening: Specify fractional or decimal space required

B. Slotted opening: Specify fractional or decimal space required in both width and length of opening

Note: When ordering slotted openings specify which direction long opening is parallel to.

C. Mesh: Specify number of openings, counting from center of any wire to a point one inch distant.

Wire size: Expressed in decimals of an inch or W&M gauge number.

Type of material: Specify type of wire cloth– high car-bon spring steel, oil tempered spring steel, stainless steel, etc.

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46 Expanded Metal

Expanded Metal

How To Order Expanded Metal

Specify the size of the sheet required, listing SWD first. Example: 4'-0 SWD x 8'-0 LWD

Specify the number of sheets or pieces required.

Specify the nominal width of the diamond SWD. Example: 1/4", 1/2", 3/4", 1", 1-1/2", 2"

Specify the style of the sheet. Example: #20, #18, #16, #13, #9

Specify R (raised), F (flattened)

Note:

Specify the type of metal required. Example: Carbon steel, stainless steel, Aluminum, etc.

Example of typical order:

100 sheets, 3/4", #9F, 4'-0" SWD x 8'-0" LWD steel

Another example:

40 sheets, 1/2", #16R, 4'-0" LWD x 8'-0" SWD steel

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47Handrail Fittings

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48 Handrail Fittings

3/16" Formed Bracket, Style B

1/4" Formed Bracket

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49Handrail Fittings

Snap-On Bracket Cover

Cast Handrail Bracket

Traditional Cast BracketsSnap-on cover for concealed mounting of single-hole

formed brackets. Two- and three-hole brackets must be countersunk to use these covers.

Universal Weld Bracket

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Flush Welding Tees, Elbows, and Crosses

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51Handrail Fittings

Coped Drive-On Connectors

Available for steel, aluminum, and stainless steelNo chamfering necessaryAligns pipe and tube prior to weldingSave up to 50% on shop and field welding and finishing costsSaves grinding time

To use:Place connector in each end of pipe or tube until it makes contact with wedge-lock's ribs.Insert wedge into groove of wedge-lock and hammer into place.Wedge-lock will expand against material wall to properly lock and align pipe or tube.Weld the joint solid and grind smooth.

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Wedge-Lock™ Welding Connectors

For pipe and round tubing

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52 Post Caps & End Caps

Post caps Type C Weld-On Endcaps

Type D Flat Weld-On Disks

Type A Drive-On Endcaps

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53Caps & Flanges

Type E Flat Drive-On Disks

Type F Dished Weld-On Caps

Flat Base Flanges

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54 Slip-On Handrail Fittings

Aluminum Slip-On Fittings by Hollaender

Hollaender has evolved into a complete structural pipe fitting provider. Our advanced production and engineer-ing capabilities enable us to create complete handrail systems from design, through manufacture to delivery. Hollaender’s dedication to quality workmanship has car-ried through our products and services for over 75 years.

Fast and easy to install

Reusable heavy duty cast fittings

Complete systems and flexible solutions

Technologically advanced manufacturing

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#3 Elbow #3AE Elbow #5 Tee

#5E Tee-E #6 Angle Tee (45°)

#7 Offset Cross

#7E Cross-E #9 Side Outlet Elbow

#10 Cross

#11 Side Outlet Tee

#11E Side Outlet Tee-E

#12 Short Barrel Outlet Cross

#13 Side Outlet Cross

#13E Side Outlet Cross-E

#16 Bolt-on Tee

1-1/4", 1-1/2" 1-1/4", 1-1/2" 1-1/4", 1-1/2"

1-1/4", 1-1/2" 1-1/4", 1-1/2" 1-1/4", 1-1/2"

1-1/4", 1-1/2" 1-1/4", 1-1/2" 1-1/4", 1-1/2"

1-1/4", 1-1/2" 1-1/4", 1-1/2" 1-1/4", 1-1/2"

1-1/4", 1-1/2" 1-1/4", 1-1/2" 1-1/4", 1-1/2"

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55Slip-On Handrail Fittings


#17 Adj. El/Tee

#17EM Adj. El/Tee-Male

#19 Adj. Cross Assembly

#19M Adj. Cross-Male

#20 Outside Corner

#21-35/45 Adj. Cross

#23 Adj. Tee/Cross

#25 Side Outlet Adj. El/Tee

#27 Dbl. Adj. Side Outlet El/Tee

#27M Dbl. Adj. Side Outlet El/Tee

#30 Adj. Cross

#30A Modified Cross

#30B Swivel #30C Adj. Swivel

#40* Triangular Floor Flange

1-1/4", 1-1/2" 1-1/4", 1-1/2" 1-1/4", 1-1/2"

1-1/4", 1-1/2" 1-1/4", 1-1/2" 1-1/4", 1-1/2"

1-1/4", 1-1/2" 1-1/4", 1-1/2" 1-1/4", 1-1/2"

1-1/4", 1-1/2", 2" 1-1/4", 1-1/2" 1-1/4", 1-1/2"

1-1/4", 1-1/2", 2" 1-1/4", 1-1/2" 1-1/4", 1-1/2"

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56 Slip-On Handrail Fittings


#41* Adj. Bracket

#42 Round Base Flange

#43* Round Bracket

#45 Sq. Floor Flange

#45SBC Sq. Floor Flange

#46 Base Flange

#46 ADJ Adj. Flange

#47 Rect. Floor Flange

#48 Flange

#49 Toe Board Bracket Flange

#49C Toe Plate Bracket

#50 Wall Mount Flange

#52 H.D. Wall Flange

#52E Extruded H.D. Wall Flange

#54-3/4/5 Off. Wall Flange (3", 4", 5")

1-1/2" 1-1/4", 1-1/2" 1-1/2"

1-1/4", 1-1/2" 1-1/2" 1-1/4", 1-1/2"

1-1/2" 1-1/4", 1-1/2" 1-1/2", 2"

1-1/4", 1-1/2" 1-1/2" 1-1/4", 1-1/2"

1-1/4", 1-1/2" 1-1/4", 1-1/2" 1-1/4", 1-1/2"

#60/62/65 Plug

#70 External Coupling

#106E Double Side Outlet Cross

1-1/4", 1-1/2" 1-1/4", 1-1/2" 3/4", 1-1/4", 1-1/2"

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57Slip-On Handrail Fittings

1-1/4" & 1-1/2" Schedule 40 Galvanized Malleable Iron Fittings by Kee Klamp

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Ornamental Balls and Hemispheres

These hollow metal balls and hemispheres have a wide range of applications for the designer and fabricator. The holes in the ends are for manufacturing and may be plugged.

Steel balls are 11-gauge

Aluminum, Stainless, and brass walls are 1/8" thick

Mill finish with weld seam standard. Specific finishes available upon request

Polishing NOT recommended for aluminum ballsHollow balls contain drilled alignment hole:

1-1/2" to 6" dia. have 13/64" hole

8" to 12" dia. have 5/16" holeHemisphere holes:

1-1/2" to 6" dia have no hole

8" to 12" dia. have 5/16" hole

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59Safety Tread Nosings

Safety Stair Nosings – Cast Nosings

Abrasive Cast Metal

Advanced manufacturing equipment and special mold-ing process assure the lowest cost per unit.

Longest wearing

Impact resistant

Barrier-free

Anti-slip surface

Economical

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Choice of metals:

Alumacast– Corrosion resistant, maintenance-free alu-minum alloy all-purpose usage.

Feracast– Cast iron all-purpose usage. Will withstand heavy industrial punishment. Ships with one coat of shop-applied black paint.

Bronzacast– Rich bronze finish makes this an ideal choice for an upscale, classic effect.

Nickelcast– Combination of nickel and bronze blends with stainless steel architecture.

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60 Safety Stair Nosings

Structural Stair Treads

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61Safety Stair Nosings

Extruded Nosing – “Sure Step” Barrier Free Stair Nosings

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“Sure Step” Barrier Free Stair Nosings– Extruded Base Designs

Extruded, abrasive filler

Advanced manufacturing equipment and special mold-ing process assure the lowest cost per unit.

Impact resistant

Barrier-free

Anti-slip surface

Choice of color

Economical

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Choice of color:

Choice of color enhances the appeal of these hand-some "sure step" safety stair nosings. Designed for heavy-duty use indoors and outdoors, these safety nosings meet and exceed all OSHA and barrier-free requirements.

Colors are locked into the epoxy abrasive mixture and will not fade or wear off, maintaining a rich color to blend with any decor.

Available colors: Black (standard), Safety Yellow, Gray, Red, Blue, Safety Orange, Green, Burgandy, Buff, Brown.

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63Safety Stair Nosings

Extruded Base – “Sure Step” Barrier Free Stair Nosings

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Safety Strip for Visually Impaired

Renovation Treads– Easy Install

Renew safety on worn and slippery stairs

Renovate and update any stairway without the costly labor of removing and rebuilding the old stair. Robertson Grating Products offers a variety of impact resistant reno-vation treads for every condition.

For any location

renovation treads install easily over worn stairways of every type including concrete, wood, steel, marble, and terrazzo. They can be used inside and out and are ideal for heavy traffic stairways.

Fast, easy installation

renovation treads are delivered drilled and counter-sunk, ready for immediate installation by anyone who can handle a screwdriver. This installation-ready feature eliminates the greatest expense for stair repair– the need for professional labor.

Lasting beauty and protection

The attractive colors of our renovation treads renew old, worn stairways. Drab and unsafe stairs become bright and contemporary with anti-slip protection at every step.

New Vision-Line

Robertson grating Products Vision-Line highlights the leading edge of each tread, providing visibility going down steps even in dimly lit places. The Vision-Line is especially helpful to the vision impaired.

Free Estimates • Complete Fabrication • CAD Drawings

877-638-6365 toll-free • 877-794-5629 fax • Sales e-mail: [email protected]. Box 2889 • Clackamas, OR 97015

Table of ContentsIntroduction . . . . . . . . . . . . . . . . . . . .1Steel Bar Grating . . . . . . . . . . . . . . . .2Heavy-Duty Steel Bar Grating . . . . . .3Wheels n’ Heels® Grating . . . . . . . . .4Aluminum Bar Grating . . . . . . . . . . . .5Grating Stair Treads . . . . . . . . . . . . . .6Safety Grating . . . . . . . . . . . . . . . . . .7Slip-Not® Components . . . . . . . . . . . .8Glossary of Terms . . . . . . . . . . . . . . .9Bar Grating Standards . . . . . . . . . . . .10Aluminum Plank . . . . . . . . . . . . . . . . .13RGP Molded Fiberglass Grating . . . .15Pultruded Fiberglass Grating . . . . . . .16RGP Plate & RGP Covered Grating . .18RGP Structural Fiberglass & Hardware .19GRIP-STRUT® Safety Grating . . . . . .20PERF-O GRIP® Grating . . . . . . . . . . .31TRACTION TREAD Flooring . . . . . . .37GRATE LOCK Grating . . . . . . . . . . . .38Pre-Shaped Trench Drain . . . . . . . . .41Drainage Trench Solutions . . . . . . . . .42Foundry Castings . . . . . . . . . . . . . . .43Perforated Metal . . . . . . . . . . . . . . . .44Woven and Welded Wire . . . . . . . . . .45Expanded Metal . . . . . . . . . . . . . . . . .46Handrail Fittings . . . . . . . . . . . . . . . . .47Post Caps & End Caps . . . . . . . . . . .52Caps & Flanges . . . . . . . . . . . . . . . . .53Slip-On Handrail Fittings . . . . . . . . . .54Handrail Fittings . . . . . . . . . . . . . . . . .58Safety Stair Nosings . . . . . . . . . . . . .59

877-638-6365 toll-free • 877-794-5629 fax

Sales e-mail: [email protected]

P.O. Box 2889, Clackamas, OR 97015

TOLL FREE 1-877-638-6365 TOLL FREE 1-877-638-6365

www.rgpgrates.com www.rgpgrates.com

PRESORTEDSTANDARD

U.S. POST AGE PAIDPORTLAND, OR

PERMIT NO. 3995

Robertson Grating Products, Inc.P.O. box 2889Clackamas, OR 97015

Robertson Grating Products Inc.

9180 SE Lawnfi eld Road PO Box 2889

Clackamas, OR 97015

Toll Free: 877-638-6365

Fax: 877-794-5629 Local: 503-794-5629

Local Fax: 503-794-5632e-mail: [email protected] BAR GRATING

PLANK GRATING

FIBERGLASS GRATING

HANDRAIL FITTINGS

SAFETY NOSINGS

POLYDRAIN

PERFORATED METALS

WOVEN WIRE

PRODUCTS AND SERVICE GUIDE

“The Grate Company”

Documents

Robertson grating cat 06F · Introduction 1 Robertson Grating Products – “The Grate Company” Robertson Grating Products is the premier grating supplier and