Dear Hole Customer, McNichols pledged to lead his life and business according to Christian principles. He believed in the highest level of

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2 The sole survivor of a Boeing B-17 Flying Fortress shot down over Germany during World War II, Robert L. Bob ear Hole ustomer, McNichols pledged to lead his life and business according S i n c e , w e h a v e b e e n m a ili n g to hristian principles. He believed in the highest level of McNIHOLS a t a l o g s t o o u r service, a dedication to his employees and an appreciation customers each year. Being in business for for the customers he had the privilege to serve. more than 65 years, we are confident that our Following discovery by a German farmer, Bob was sent to vast inventory selection, convenient locations prisoner-of-war camp Stalag Luft I, where he remained and knowledgeable product experts are what until his liberation on May 1, Seven years to the day after his release from Stalag Luft I, Bob and his wife Phyllis founded McNIHOLS O. make McNIHOLS your choice for Hole Bob McNichols, Founder ( ) Products. We believe we can help you select the right product for your application. When Bob started the business in 1952, he focused on selling products with holes The McNIHOLS Gratings atalog is such as Perforated and Expanded Metal. This focus led to the motto The Hole Story, your reference guide to these Hole Products. We which symbolizes the company s philosophy as well as its products. Bob trademarked offer a wide selection of quality Grating in stock The Hole Story and advertised it in the 1975 McNIHOLS Master atalog. and ready to go! We trust you will find this book This began the tradition of hole references such as Hole Products and The Hole Team. an essential tool and resource for your Grating After the unexpected loss of Bob in 1981, his son Gene took the reins. Gene carried on needs. All of the information contained within and his father s legacy by growing the company. additional McNIHOLS Hole Products In 1990, Gene introduced the Service, Quality and Performance is available at mcnichols.com. mission. The words embody the spirit of the organization including My grandfather founded our company on one its emphasis on customer service, high standards for quality core principle providing unsurpassed customer (demonstrated by our ISO 9001:2008 certification) and dedication service. It is our mission to continue to fulfill his to performance. vision of serving customers. We humbly ask that McNIHOLS has grown from a small family business into a national corporation you allow us to serve you! with 19 locations across the country. The essence and spirit of the founder remain ever-present. Bob s faith gave him the courage to build McNIHOLS on a hristian foundation. To God be the Glory was one of his favorite sayings. As McNIHOLS continues to grow beyond its 65th year in business, the third generation of the McNichols family as well as every member of The Hole Team act as stewards of Bob s legacy. Scott M. McNichols Providing Hole Products Through Superior Service, Quality and Performance That s President The Hole Story! To God Be The Glory!

3 YOUR HOLE NETWORK In business for more than 65 years, McNIHOLS O. is the worldwide leader in supplying Hole Products, including McNIHOLS Perforated and Expanded Metals, Wire Mesh and esigner Metals, as well as a complete line of Metal and Fiberglass Grating and Flooring products. Our Metals Service enters are strategically located in 19 cities across the country, but are all part of one Hole Network. Metal processing equipment at each location as well as industry partnerships give us the fabrication capabilities to meet your project needs. ustomers choose McNIHOLS because of our knowledgeable associates, vast product inventory and superior customer service. Please allow us to serve you on your next project! TABLE OF ONTENTS VALUE-AE SERVIES 2 BAR GRATING 3 SEATTLE MINNEAPOLIS BOSTON WELE... 4 HEAVY-UTY WELE... 5 PES & TREAS... 5 SWAGE-LOKE... 6 SAFE-T-GRI... 8 PRESS-LOKE... 9 STAIR TREAS...10 SAN FRANISO LOS ANGELES SALT LAKE ITY ENVER PHOENIX ALLAS HIAGO KANSAS ITY HOUSTON LEVELAN NY/NJ BALTIMORE ININNATI HARLOTTE ATLANTA TAMPA FIBERGLASS GRATING 11 SQUARE MOLE...12 RETANGULAR MOLE...13 PULTRUE I-BAR...14 PULTRUE T-BAR...15 PULTRUE WIE T-BAR...16 SAFEK...17 SAFPLANK...17 SAFPLATE...17 HEMIAL RESISTANE HART...18 HEAQUARTERS 2502 N. Rocky Point rive, Ste. 750 Tampa, FL ATLANTA 1980 Shiloh Road NW Bldg. 6, #300 Kennesaw, GA BALTIMORE 9070 Junction rive, #M Annapolis Junction, M BOSTON 33 High Street North Billerica, MA HARLOTTE 2307 istribution tr. r., #F harlotte, N HIAGO 2200 Arthur Avenue Elk Grove Village, IL ININNATI 3470 E. Kemper Road incinnati, OH LEVELAN 4889 N.E.O. Parkway leveland, OH ALLAS 3540 W. Miller Road, #240 Garland, TX ENVER E. 48th Avenue enver, O HOUSTON Air enter Blvd., #100 Houston, TX KANSAS ITY W. 100th Terrace Lenexa, KS LOS ANGELES Arbor Place erritos, A MINNEAPOLIS 22 Fifth Avenue NW New Brighton, MN NJ/NY AREA 2 Home News Row New Brunswick, NJ PHOENIX 5780 S. 40th Street Suite 3 Phoenix, AZ SALT LAKE ITY 271 W South Suite raper, UT SAN FRANISO 174 Lawrence rive Suite G Livermore, A SEATTLE 1221-A 29th Street NW Auburn, WA TAMPA 9401 orporate Lake rive Tampa, FL PLANK GRATING 19 GRIP STRUT HEAVY-UTY GRIP STRUT PERF-O GRIP TRATION TREA GRATE-LOK IAMONBAK HEAVY-UTY EXTRUE PLANK STAIR TREAS LAER RUNGS 28 LIPS & FASTENERS 28 STAIR TREAS McNIHOLS O., The Hole Story and McNIHOLS are registered trademarks of McNIHOLS O. All rights reserved. No part of this book may be reproduced in any form without permission. Printed in the U.S.A. Application photos reflected are typical of our types of products in use that can be supplied or have been supplied by McNIHOLS O. Some photos may depict uses designed, manufactured, fabricated or installed by others.

4 VA L U E - A E S E R V I E S McNIHOLS GRATING PROUTS McNIHOLS HOLE PROUTS ARE USE AROSS MANY INUSTRIES INLUING: Architectural onstruction istribution Energy Government Hospitality Maintenance Metal Fabrication Manufacturing Marine Residential Utilities McNIHOLS Bar Grating, Swage-Locked, GAL-150, and Press-Locked, GM LOSE MESH - Grocery Store Facade McNIHOLS Fiberglass Grating, Molded, MS-S Flooring for Offshore Living Quarters - Oil and Gas Industry McNIHOLS Plank Grating, Plank, PERF-O GRIP, 3-Hole - Agricultural Equipment Stair Treads McNIHOLS VALUE-AE SERVIES Print Takeoffs ut-to-size Notching Edging Welding Infill Panels Stair Treads Metal Finishes For more than 65 years, customers have made the repetitive choice to trust McNIHOLS with their Hole Product needs. Many customers also look to us for Value-Added Services. Whether you need cutting, notching, w e ld in g or a pa rti c ul ar metal finish for your product selections, McNIHOLS has you covered! We look forward to discussing how we can support and serve you! mcnichols.com 2018

5 McNIHOLS GRATING PROUTS B A R G R AT I N G BAR GRATING McNIHOLS Bar Grating is the top choice for strength, safety and overall value! Bar Grating provides a load bearing surface that allows air, light, heat, sound and fluid to pass through. Bar Grating is strong, durable and virtually maintenance-free! ONSTRUTION TYPES PROUT SPEIFIATIONS HOW TO ORER/SPEIFY McNIHOLS HEAVY-UTY WELE BAR GRATING SERIES NAME GW, MW (LOSE MESH), SGW GHB, PES & TREAS GAL, GIA, SFT, TB-940 (SAFE-T-GRI ) GAA, GM (LOSE MESH) PROUT SPAING 19-W-4, 19-W-2, 15-W-4, 15-W-2, 11-W-4, 19-W-4 19-S-4, 19-S-2, 19-SI-4, 15-SI-4, 15-SI-2, 19-P-4, 11-P-4, 8-P-4, 7-P-4, PRIMARY MATERIAL arbon Steel, arbon Steel (Powder oated Black), Galvanized Steel, Stainless Steel arbon Steel, Galvanized Steel Aluminum, Stainless Steel Aluminum, arbon Steel, Galvanized Steel, Stainless Steel BAR HEIGHT 3/4" to 2-1/ to 3" to 2-1/ to BAR THIKNESS 1/8", 3/16" 1/4" (5/16", 3/8" by Special Order) 1/8", 3/16", 1/4", 0.940" - TB-940 (SAFE-T-GRI ) 3/16" PROUT SURFAE PRESS-LOKE Smooth, Serrated Smooth, Serrated Smooth, Serrated, Grooved Smooth, Serrated % OPEN AREA SWAGE-LOKE 68% to 83% 74.5% 20.6% to 83% 55% STANAR PANEL SIZE WELE x 240" x 288" x 240" x 288" x 240" x 288" x 240" x 288" x 288" x 288" x 144" WE ARE REAY AN INSPIRE TO SERVE YOU AT ! McNIHOLS Bar Grating, Swage-Locked, GAL Sunshade, Margarido House, Oakland, A 2018 McNIHOLS Bar Grating, Press-Locked, GM - LOSE MESH - isplay, Harley-avidson Museum, Milwaukee, WI mcnichols.com The information provided below is your guide for choosing the right McNIHOLS BAR GRATING product for your project. Please specify: APPLIATION Bar Grating use and physical requirements (interior or exterior application; loading, span and support requirements; traffic requirements such as pedestrian, AA, vehicular, hand cart, etc.) ONSTRUTION TYPE Type of construction (Welded, Heavy-uty Welded, Swage-Locked, Press-Locked, linched) SERIES TYPE & NAME Type of series (GW-100, GHB-150, GAL-125, etc.) PROUT SPAING 19-W-4, 15-W-2, etc. PRIMARY MATERIAL Type of material (Aluminum, arbon Steel, arbon Steel Powder oated Black, Galvanized Steel, Stainless Steel) MATERIAL FINISH Inventory is typically mill finish for Aluminum, arbon Steel and Stainless Steel. Hot-ipped Galvanized, Powder oated Black or Powder oated Gray finishes available for many items BAR SIZE Bar height and thickness (e.g. 1-1/4" Height x 3/16" Thick) BAR SHAPE Rectangular (Aluminum, Steel, Stainless Steel), I-Bar or T-Bar (Aluminum only) BAR SPAING Bearing bar and cross bar spacing measured on center (e.g. 19-W-4 is equivalent to 1-3/16 (19/16) bearing bar spacing on center, welded construction, 4 cross bar spacing on center) PROUT SURFAE Smooth or serrated surface (Aluminum, Steel, Stainless Steel Rectangular Bar), grooved surface (Aluminum I-Bar and T-Bar) OPEN AREA Percentage of open area SPAN irection of bearing bars (long span on stock panels runs parallel to the length dimension) QUANTITY/SIZE(S) Number of panels (width and length) and/or sizes (cut-to-size pieces, areas, treads) and cut types (random, uniform, equal stub). Areas exceeding standard panel widths provided in multiple pieces to width SPEIAL Requirements such as fabrication, banding (trim and/or load) notching, cut-outs, toeboards, stair treads (width, length or span and nosing type), non-standard tolerances, etc. AESSORIES Quantity and type of lips or Fasteners/Hardware 3

6 McNIHOLS GRATING PROUTS B A R G R AT I N G WELE BAR GRATING McNIHOLS Welded Bar Grating is a suitable flooring application choice because of its strength, safety and overall value. Welded Bar Grating has a rectangular-shaped bearing bar that is available in a variety of thicknesses, heights, spacings and materials. GW, MW & SGW SERIES GW SERIES McNIHOLS GW Series Grating will handle most moderate loads and light wheel traffic with its standard bearing bar centers of 1-3/16". McNIHOLS MW Series LOSE MESH Grating is suitable for wheelchair traffic and is AAcompliant. McNIHOLS SGW Series Grating will handle heavier loads than GW Series Grating. Welded Stair Treads page 29 PROUT OPTIONS BAR SPAING: GW, SGW Material: arbon Steel, arbon Steel (Powder oated Black), Galvanized Steel, Stainless Steel Bar Height: 3/4" to 2-1/ Bar Thickness: 1/8", 3/16" (Rectangular) Surface: Smooth, Serrated Standard Size: x 240", x 288", x 240", x 288" GW (19-W-4) 1-1/4" x 1/8" 1-1/4" x 3/16" 1-1/ x 1/8" 1-1/ x 3/16" 1-3/4" x 3/16" x 3/16" 2-1/4" x 3/16" 2-1/ x 3/16" 15/16" %HULQJ %U %HULQJ %U &URVV %U &URVV %U ross Bar Bearing Bar %HULQJ %U &URVV %U ross Bar Bearing Bar %HULQJ %U &URVV %U +HLJKW %HULQJ %U +HLJKW (1/8" THIKNESS ALSO AVAILABLE) &URVV %U +HLJKW EN VIEW Bearing Bar +HLJKW ross Bar SPAN (1-3/16" ENTER TO ENTER BAR SPAING) 2' 2'6" 3' 3'6" 4' 4'6" 5' 5'6" 6' 7' 8' To determine load for SGW, SGW-2, multiply value at left by the load factor of eflection under the factored loads will be same as shown in the load table For Serrated Grating the depth of the grating will be 1/4" greater than shown in table BEARING BAR SIZE SERIES #/SF SERIES #/SF SERIES #/SF SERIES #/SF 3/4" x 1/8" 3/4" x 3/16" x 1/8" x 3/16" 1-1/4" x 1/8" 1-1/4" x 3/16" 1-1/ x 1/8" 1-1/ x 3/16" 1-3/4" x 3/16" x 3/16" 2-1/4" x 3/16" 2-1/ x 3/16" GW-75-A GW-75 GW-100-A GW-100 GW-125-A GW-125 GW-150-A GW-150 GW-175 GW-200 GW-225 GW GW-75-A-2 GW-75-2 GW-100-A-2 GW GW-125-A-2 GW GW-150-A-2 GW GW GW GW GW SGW-75-A SGW-75 SGW-100-A SGW-100 SGW-125-A SGW-125 SGW-150-A SGW-150 SGW-175 SGW-200 SGW-225 SGW SGW-75-A-2 SGW-75-2 SGW-100-A-2 SGW SGW-125-A-2 SGW SGW-150-A-2 SGW SGW SGW SGW SGW PANEL WITHS: GW, SGW # Bars GW, GW-2 1-3/8" 2-9/16" 3-3/4" 4-15/16" 6-1/8" 7-5/16" 8-1/ 9-11/16" 10-7/8" 12-1/16" 13-1/4" 14-7/16" 15-5/8" 16-13/16" SGW, SGW-2 1-1/8" 2-1/16" 3" 3-15/16" 4-7/8" 5-13/16" 6-3/4" 7-11/16" 8-5/8" 9-9/16" 10-1/ 11-7/16" 12-3/8" 13-5/16" 14-1/4" Serrated Surface The carrying capacity of a piece of Grating subjected to a concentrated load over only a portion of its width is determined by the stiffness of both the bearing bars and the cross bars, and therefore varies with the type of Grating used. Please call us to determine carrying capacity of Gratings subject to such loadings. This technical information provided is as a reference for evaluation by technically skilled persons only, with any use thereof to be at their independent discretion and risk. McNIHOLS shall have no responsibility or liability for results obtained or damages resulting from improper evaluation or use of Grating BAR SPAING U - Uniform Load - Lbs./Square Foot - eflection - in Inches - oncentrated Load - Lbs./Square Foot of Width at Mid Span Spans shaded in blue produce a deflection of 1/4" or less under a uniform load of 100 lbs. per square foot. This deflection is recommended as the maximum to provide pedestrian comfort. It can be exceeded at the discretion of the engineer. 4 15/16" # Bars GW, GW /16" 20-3/8" 21-9/16" 22-3/4" 23-15/16" 25-1/8" 26-5/16" 27-1/ 28-11/16" 29-7/8" 31-1/16" 32-1/4" 33-7/16" 34-5/8" 35-13/16" SGW, SGW /16" 16-1/8" 17-1/16" 18-15/16" 19-7/8" 20-13/16" 21-3/4" 22-11/16" 23-5/8" 24-9/16" 25-1/ 26-7/16" 27-3/8" 28-5/16" # Bars GW, GW-2 SGW, SGW /4" 30-3/16" 31-1/8" 32-1/16" 33" 33-15/16" 34-7/8" 35-13/16" PLEASE NOTE: Width and length tolerance 1/4". Max. width indicated. Wider areas will be made in two or more panels. Panels are available up to 48" by special order. All other widths are cut-to-size. educt 1/16" from width for 1/8" bearing bars. Rectangular Bar Grating iagram SPAN BE SPA ARIN IN G B A G R x 3/16" 4" 1-3/16" H x 1/8" SGW-2 (15-W-2) I T 3/4" x 3/16" U U U U U U U U U U U U SGW (15-W-4) W 3/4" x 1/8" GW-2 (19-W-2) 4" LOA TABLE: GW, SGW (STEEL) BEARING BAR SIZE SGW SERIES MW SERIES RO S PA S S B A R IN G mcnichols.com 2018

7 McNIHOLS GRATING PROUTS HEAVY-UTY WELE BAR GRATING McNIHOLS Heavy-uty Welded Bar Grating is your choice for applications requiring maximum load-bearing capability. GHB SERIES Embed Angle McNIHOLS GHB Series Bearing Bar ross Bar Grating can handle heavier load requirements with a bearing bar thickness of 1/4" and bar heights from to 3". This Grating is ideal for bridge floors, highways, airport runways or Embed Angle GHB SERIES other high-load trench applications. Material: arbon Steel, arbon Steel (Powder oated Black), Galvanized Steel Bar Height: to 3" Bar Thickness: 1/4" - Rectangular (5/16" or 3/8" - Special Order) Surface: Smooth, Serrated Standard Size: x 240", x 288", x 240", x 288" BEARING BAR SIZE x 1/4" 1-1/4" x 1/4" 1-1/ x 1/4" 1-3/4" x 1/4" x 1/4" 2-1/ x 1/4" 3" x 1/4" 3-1/ x 1/4" 4" x 1/4" PROUT OPTIONS LOA TABLE: GHB, GHB-2 (STEEL) SPAN (1-3/16" ENTER TO ENTER BAR SPAING) 1'-0" 1'-6" 2'-0" 2'-6" 3'-0" 3'-6" 4'-0" 4'-6" 5'-0" 5'-6" 6'-0" 6'-6" 7'-0" 7'-6" 8'-0" U U U U U U U U U U - Uniform Load - Lbs./Square Foot - eflection - in Inches - oncentrated Load - Lbs./Square Foot of Width at Mid Span GHB and GHB-2 is welded. This Grating is not normally used for standard floor layouts but is usually selected by engineers for rolling or vehicular loads for narrow space work. This technical information provided is as a reference for evaluation by technically skilled persons only, with any use thereof to be at their independent discretion and risk. McNIHOLS shall have no responsibility or liability for results obtained or damages resulting from improper evaluation or use of Grating. Load iagram Swage-Locked ross Bars eflection ONENTRATE LOA Length or Span Width eflection UNIFORM LOA Length or Span Width # BARS BAR SPAING EN VIEW (3/8" AN 5/16" THIKNESS ALSO AVAILABLE) BEARING BAR SIZE BEARING BAR THIKNESS 1/4" 5/16" 3/8" 2 1-7/16" 1-1/ 1-9/16" 3 2-5/8" 2-11/16" 2-3/4" /16" 3-7/8" 3-15/16" 5 5" 5-1/16" 5-1/8" 6 6-3/16" 6-1/4" 6-5/16" 7 7-3/8" 7-7/16" 7-1/ 8 8-9/16" 8-5/8" 8-11/16" 9 9-3/4" 9-13/16" 9-7/8" /16" /16" /8" 12-3/16" 12-1/4" /16" 13-3/8" 13-7/16" / 14-9/16" 14-5/8" /16" 15-3/4" 15-13/16" /8" 16-15/16" 17" /16" 18-1/8" 18-3/16" BAR GRATING GHB (19-W-4) # BARS Heavy-uty Welded Stair Treads page 29 BAR SPAING: GHB, GHB-2 GHB-2 (19-W-2) SERIES #/SF SERIES #/SF x 1/4" GHB GHB /4" x 1/4" GHB GHB / x 1/4" GHB GHB /4" x 1/4" GHB GHB x 1/4" GHB GHB / x 1/4" GHB GHB " x 1/4" GHB BEARING BAR THIKNESS 1/4" 5/16" 3/8" /4" 19-5/16" 19-3/8" /16" 20-1/ 20-9/16" /8" 21-11/16" 21-3/4" /16" 22-7/8" 22-15/16" /16" 24-1/8" /16" 25-1/4" 25-5/16" /8" 26-7/16" 26-1/ /16" 27-5/8" 27-11/16" /4" 28-13/16" 28-7/8" /16" 30" 30-1/16" /8" 31-3/16" 31-1/4" /16" 32-3/8" 32-7/16" / 33-9/16" 33-5/8" /16" 34-3/4" 34-13/16" /8" 35-15/16" PANEL WITHS: GHB, GHB-2 PES & TREAS PES & TREAS 4" 1-3/16" Bearing Bar ross Bar McNIHOLS PES & TREAS Heavy-uty Welded Steel Grating satisfies both AA and AASHTO (American Association of State Hwy. and Trans. Officials) requirements. It is ideal for parking garages, sidewalks and pedestrian accessible roadways where ventilation or drainage is required mcnichols.com 5

8 BAR GRATING McNIHOLS GRATING PROUTS SWAGE-LOKE BAR GRATING McNIHOLS Swage-Locked Bar Grating is manufactured using an exclusive swaging (or pinching) and forming process that prevents the cross bars from turning or twisting. These Aluminum-only panels are available in Rectangular Bar, Flush Top, I-Bar and T-Bar styles in a variety of bar heights. GAL SERIES McNIHOLS GAL Series Grating is an economical solution for applications requiring high strength and rigidity. GAL Series is lightweight and corrosion-resistant. GAL SERIES Material: Aluminum Bar Height: to (2-1/4" and 2-1/ Special Order) Bar Thickness: 1/8", 3/16" (Rectangular) Surface: Smooth, Serrated Standard Size: x 240", x 288", x 240", x 288" BEARING BAR SIZE x 1/8" x 3/16" 1-1/4" x 1/8" 1-1/4" x 3/16" 1-1/ x 1/8" 1-1/ x 3/16" 1-3/4" x 3/16" x 3/16" 2-1/4" x 3/16" 2-1/ x 3/16" PROUT OPTIONS LOA TABLE: GAL (ALUMINUM) SPAN (1-3/16" ENTER TO ENTER BAR SPAING) 2' 2'6" 3' 3'6" 4' 4'6" 5' 5'6" 6' 7' 8' U U - Uniform Load - Lbs./Square Foot eflection - in Inches oncentrated Load - Lbs./Square Foot of Width at Mid Span U For Serrated Grating the depth of the Grating will be 1/4" greater than shown in table. U U U U U U U U U - Uniform Load - Lbs./Square Foot - eflection - in Inches - oncentrated Load - Lbs./Square Foot of Width at Mid Span Spans shaded in blue produce a deflection of 1/4" or less under a uniform load of 100 lbs. per square foot. This deflection is recommended as the maximum to provide pedestrian comfort. It can be exceeded at the discretion of the engineer. This technical information provided is as a reference for evaluation by technically skilled persons only, with any use thereof to be at their independent discretion and risk. McNIHOLS shall have no responsibility or liability for results obtained or damages resulting from improper evaluation or use of Grating. Not recommended for wheel traffic or barefoot pedestrians. BAR SPAING EN VIEW (1/8" THIKNESS ALSO AVAILABLE) GAL (19-S-4) GAL-2 (19-S-2) BEARING BAR SIZE SERIES #/SF SERIES #/SF x 1/8" GAL-100-A 1.8 GAL-100-A x 3/16" GAL GAL /4" x 1/8" GAL-125-A 2.1 GAL-125-A /4" x 3/16" GAL GAL / x 1/8" GAL-150-A 2.5 GAL-150-A / x 3/16" GAL GAL /4" x 3/16" GAL GAL x 3/16" GAL GAL /4" x 3/16" GAL GAL / x 3/16" GAL GAL Type B Type Z BAR SPAING: GAL SFT SERIES 4" 1-3/16" Bearing Bar ross Bar Swage-Locked Stair Treads page 29 # BARS GAL RETANGULAR 2 1-3/8" 3 2-9/16" 4 3-3/4" /16" 6 6-1/8" 7 7-5/16" 8 8-1/ /16" /8" /16" /4" /16" /8" /16" /16" /8" /16" /4" /16" SFT SERIES WITHS: GAL # BARS GAL RETANGULAR /8" /16" / /16" /8" /16" /4" /16" /8" /16" McNIHOLS SFT Series Grating has cross bars flush with the bearing bars along the top and is the product of choice where standing and walking comfort is a requirement. LIPS & FASTENERS Type GFS Type J Type GG Type RSSG PLEASE NOTE: educt 1/16" from widths shown for 1/8" bearing bars. A complete list of lips and Fasteners is available on page mcnichols.com 2018

9 McNIHOLS GRATING PROUTS B A R G R AT I N G SWAGE-LOKE BAR GRATING (ONTINUE) GIA SERIES McNIHOLS GIA Series I-Bar Grating has I-shaped bearing bars that are locked in place by swaging the cross bars. This Grating series is an economical solution for applications requiring high strength and rigidity and is ideal for light pedestrian traffic. Made of Aluminum, this series is also lightweight and corrosion-resistant. GIA SERIES I-Bar Stair Treads page 29 PROUT OPTIONS Material: Bar Height: Bar Thickness: Surface: Standard Size: BAR SPAING: GIA, SGIA GIA (19-SI-4) Aluminum to (2-1/4", 2-1/ Special Order) 1/4" (I-Bar) Grooved x 240", x 288", x 240", x 288" GIA-2 (19-SI-2) 4" SGIA (15-SI-4) 4" 15/16" SGIA-2 (15-SI-2) 15/16" 15/16" BAR SPAING Bearing Bar &URVV %U %HULQJ %U ross Bar %HULQJ %U ross Bar Bearing Bar %HULQJ %U %HULQJ %U ross Bar Bearing Bar %HULQJ %U U SPAN (1-3/16" ENTER TO ENTER BAR SPAING) 3' 3'6" 4' 4'6" 5' 5'6" 6' EN VIEW 7' U /4" I-Bar U / I-Bar U /4" I-Bar U I-Bar U /4" I-Bar U BEARING BAR SIZE SERIES &URVV %U #/SF SERIES &URVV %U &URVV %U #/SF SERIES #/SF SERIES #/SF x 1/4" GIA GIA SGIA SGIA /4" x 1/4" GIA GIA SGIA SGIA / x 1/4" GIA GIA SGIA SGIA /4" x 1/4" GIA GIA SGIA SGIA x 1/4" GIA GIA SGIA SGIA /4" x 1/4" GIA GIA SGIA SGIA / x 1/4" GIA GIA SGIA SGIA PANEL WITHS: GIA, SGIA / I-Bar To determine load for SGIA or SGIA-2, multiply value at left by the load factor of eflection under the factored loads will be same as shown in the load table. I-Bar &URVV %U 8' +HLJKW 2'6" +HLJKW 2' +HLJKW BEARING BAR SIZE +HLJKW LOA TABLE: GIA, SGIA (ALUMINUM) #BARS GIA, GIA /16" 2-5/8" 3-13/16" 5" 6-3/16" 7-3/8" 8-9/16" 9-3/4" 10-15/16" 12-1/8" 13-5/16" 14-1/ 15-11/16" SGIA 1-3/16" 2-1/8" 3-1/16" 4" 4-15/16" 5-7/8" 6-13/16" 7-3/4" 8-11/16" 9-5/8" 10-9/16" 11-1/ 12-7/16" #BARS GIA, GIA /8" 18-1/16" 19-1/4" 20-7/16" 21-5/8" 22-13/16" 25-3/16" 26-3/8" 27-9/16" 28-3/4" 29-15/16" 31-1/8" SGIA 13-3/8" 14-5/16" 15-1/4" 16-3/16" 17-1/8" 18-1/16" 19" 19-15/16" 20-7/8" 21-13/16" 22-3/4" 23-11/16" 24-5/8" #BARS GIA, GIA /16" 33-1/ 34-11/16" 35-7/8" SGIA 25-9/16" 26-1/ 27-7/16" 28-3/8" 29-5/16" 30-1/4" 31-3/16" 32-1/8" 33-1/16" 34" 34-15/16" 35-7/8" U - Uniform Load - Lbs./Square Foot - eflection - in Inches - oncentrated Load - Lbs./Square Foot of Width at Mid Span Spans shaded in blue produce a deflection of 1/4" or less under a uniform load of 100 lbs. per square foot. This deflection is recommended as the maximum to provide pedestrian comfort. It can be exceeded at the discretion of the engineer. This technical information provided is as a reference for evaluation by technically skilled persons only, with any use thereof to be at their independent discretion and risk. McNIHOLS shall have no responsibility or liability for results obtained or damages resulting from improper evaluation or use of Grating. Not recommended for wheel traffic or barefoot pedestrians McNIHOLS Bar Grating, Swage-Locked, GAL Stair Treads - Margarido House, Oakland, A mcnichols.com 7

10 McNIHOLS GRATING PROUTS B A R G R AT I N G SWAGE-LOKE BAR GRATING (ONTINUE) SAFE-T-GRI McNIHOLS SAFE-T-GRI Grating is configured SAFE-T-GRI with extruded T-shaped bearing bars and extruded cross bars that are locked together by swaging for a high strength and rigid construction. The large T-Bar surface makes it ideal for pedestrian traffic. TB-940 meets the spacing requirements of the Americans with isabilities Act (AA). SAFE-T-GRI Stair Treads page 29 PROUT OPTIONS Material: Bar Height: BAR SPAING: SAFE-T-GRI Aluminum, 1-1/4", 1-1/ ( Special) TB-626 (19-S-4) TB-940 (19-S-4) 1/4" 3/5" Surface: Grooved (GRIP TIGHT Available) Standard Size: 36-1/4" x 288" TB-626 (Special Order) 36-9/16" x 288" TB-940 (AA Approved) BAR SPAING Height Bearing Bar ross Bar Height LOA TABLE: SAFE-T-GRI (ALUMINUM) HEIGHT TYPE TB-626 2' U TB BEARING BAR BAR BAR THIKNESS SPAING #/SF HEIGHT WITHS BAR BAR THIKNESS SPAING #/SF WITHS 0.626" " /4" 0.940" " /16" 1-1/4" 0.626" " /4" 0.940" " /16" 1-1/ 0.626" " /4" 0.940" " /16" 0.626" " /4" 0.940" " /16" McNIHOLS SAFE-T-GRI - Pedestrian Entryway Flooring U %HULQJ %U TB &URVV %U U TB %HULQJ %U U / TB &URVV %U U / TB EN VIEW 7' 6" 8' U /4" TB ' 6" 7' U /4" TB-626 5' 6" 6' ' 6" 5' U ' 6" 4' ' 6" 3' Bearing Bar ross Bar U - Uniform Load - Lbs./Square Foot - eflection - in Inches - oncentrated Load - Lbs./Square Foot of Width at Mid Span Spans shaded in blue produce a deflection of 1/4" or less under a uniform load of 100 lbs. per square foot. This deflection is recommended as the maximum to provide pedestrian comfort. It can be exceeded at the discretion of the engineer. This technical information provided is as a reference for evaluation by technically skilled persons only, with any use thereof to be at their independent discretion and risk. McNIHOLS shall have no responsibility or liability for results obtained or damages resulting from improper evaluation or use of Grating. Not recommended for vehicular traffic or barefoot pedestrians McNIHOLS SAFE-T-GRI - Stair Treads with Round Hole Perforated Metal Stair Risers - Apartment Houses, St. Petersburg, FL mcnichols.com 2018

11 McNIHOLS GRATING PROUTS BAR GRATING PRESS-LOKE BAR GRATING McNIHOLS Press-Locked Bar Grating cross bars and bearing bars are notched and pressed together through a high-pressure manufacturing process. The result is a bi-directional flush surface that assures a firm, rigid connection and is aesthetically appealing for architectural applications. GM SERIES GAA SERIES GM ( LOSE MESH) & GAA SERIES McNIHOLS Press-Locked GM Series LOSE MESH Grating is formed by pressing the cross bars and bearing bars together through a high-pressure process. The GM Series Grating offers bearing bar spacings that are AA compliant. GM-1 Grating, a good choice for AA applications, is stocked in x 3/16", 1-1/4" x 3/16" and 1-1/ bearing bars in both Plain Steel and Aluminum. Other sizes of the GM-1 material available as Special Order items, including 1/8" and 3/16" bearing bar thicknesses. Other GM Series and GAA Grating are also available as a Special Order. McNIHOLS Press-Locked GAA Series Grating is formed by pressing the cross bars into the bearing bars, flush top under tremendous pressure, laterally displacing 1/16" of cross bar material into the dovetail slot. PROUT OPTIONS Material: Aluminum, arbon Steel, Galvanized Steel, Stainless Steel Bar Height: 3/4" to 2-1/ (, 1-1/4" and 1-1/ Stock; All other sizes available by Special Order) Bar Thickness: 3/16" - Rectangular (1/8" Special Order) Surface: Smooth, Serrated Standard Size: x 144" BAR SPAING BAR SPAING: GM, GAA GM-1 (7-P-4) GM-2 (8-P-4) GM-4 (11-P-4) GAA (19-P-4) 7/16" 1/ 11/16" 1-3/16" 4" 4" 4" 4" LOA TABLE: GM-1 (ALUMINUM) ross Bar Bearing Bar ross Bar Bearing Bar ross Bar Bearing Bar ross Bar Bearing Bar BEARING BAR SIZE 3/4" x 3/16" x 3/16" 1-1/4" x 3/16 " 1-1/ x 3/16 " 1-3/4" x 3/16" x 3/16" BEARING BAR SIZE 3/4" x 3/16" x 3/16" 1-1/4" x 3/16" 1-1/ x 3/16" 1-3/4" x 3/16 " x 3/16" SPAN (7/16" ENTER TO ENTER BAR SPAING) 1' 1'6" 2' 2'6" 3' 3'6" 4' 4'6" 5' 5'6" 6' 6'6" 7' 7'6" 8' U U U U U U LOA TABLE: GM-1 (STEEL) SPAN (7/16" ENTER TO ENTER BAR SPAING) 1' 1'6" 2' 2'6" 3' 3'6" 4' 4'6" 5' 5'6" 6' 6'6" 7' 7'6" 8' U U U U U U U - Uniform Load - Lbs./Sq. Ft. - eflection - in Inches - oncentrated Load - Lbs./Sq. Ft. of Width at Mid Span Load table for other sizes are available upon request. EN VIEW 3/16" Bearing Bar ross Bar Height 1/4" 5/16" BEARING BAR SIZE SERIES #/SF SERIES #/SF SERIES #/SF SERIES #/SF 3/4" x 1/8" GM-2-75-A GAA-75-A 4.4 3/4" x 3/16" GM GM GM GAA x 1/8" GM A GAA-100-A 5.2 x 3/16" GM GM GM GAA /4" x 1/8" GM A GAA-125-A /4" x 3/16" GM GM GM GAA / x 1/8" GM A GAA-150-A / x 3/16" GM GM GM GAA /4" x 3/16" GM GM GM GAA x 3/16" GM GM GM GAA /4" x 3/16" GM GM GM GAA / x 3/16" GM GM GAA PANEL WITHS: GM, GAA #BARS GM-1 GM-2 GM-4 GAA 2 PLEASE NOTE: GM-1 also 1-3/8" available in widths up to 83 3 bars, GM-2 available in widths 2-91/6" up to 72 bars, GM-4 available 4 in widths up to 52 bars. 3-3/4" 5 Wider areas will be made in 4-15/16" two or more panels. Panels are 6 available up to 48" by special 6-1/8" order. All other widths are 7 cut-to-size. educt 1/16" from 7-5/16" width for 1/8" bearing bars / Width and length tolerance 9 ± 1/4" 9-11/16" /8" 4-11/16" 6-3/8" 10-7/8" /16" 5-3/16" 7-1/16" 12-11/16" 12 5" 5-11/16" 7-3/4" 13-1/4" /16" 6-3/16" 8-7/16" 14-7/16" /8" 6-11/16" 9-1/8" 15-5/8" /16" 7-3/16" 9-13/16" 16-3/16" /4" 7-11/16" 10-1/ /16" 8-3/16" 11-3/16" 19-3/16" 3/16" Bearing Bar ross Bar Height 3/16" Bearing Bar ross Bar 1/ Height 3/16" 3/16" Bearing Bearing Bar Bar ross Bar ross Bar ross Bar 1/ 1/ #BARS GM-1 GM-2 GM-4 GAA /8" 8-11/16" 11-5/8" 20-3/8" /16" 9-3/16" 12-9/16" 21-9/16" / 9-11/16" 13-1/4" 22-3/4" /16" 10-3/16" 13-15/16" 23-15/16" /8" 10-11/16" 14-5/8" 25-1/8" /16" 11-3/16" 15-5/16" 26-15/16" /4" 11-11/16" 16" 27-1/ /16" 12-3/16" 16-11/16" 28-11/16" /8" 12-11/16" 17-3/8" 29-7/8" /16" 13-3/16" 18-1/16" 31-1/16" /16" 18-3/4" 32-1/4" /16" 14-3/16" 19-7/16" 33-7/16" /8" 14-11/16" 20-1/8" 34-5/8" /16" 15-3/16" 20-13/16" 35-13/16" /4" 15-11/16" 21-1/ Height Height mcnichols.com 9

12 BAR GRATING McNIHOLS GRATING PROUTS BAR GRATING STAIR TREAS McNIHOLS Bar Grating Stair Treads are a top choice for strength, safety and long-term cost savings. Below are just some of the most popular selections. We also have many stair treads IN STOK AN REAY TO GO! Welded Stair Tread heckered Plate Nosing GW SERIES McNIHOLS Welded GW Series Grating Stair Treads will handle most moderate loads and light wheel traffic with standard bearing bar centers of 1-3/16". For more details on GW Series Grating, please see page 4. PROUT OPTIONS Material: arbon Steel, arbon Steel (Powder oated Black), Galvanized Steel, Stainless Steel Bar Height:, 1-1/4", 1-1/ Bar Thickness: 1/8", 3/16" (Rectangular) Surface: Smooth, Serrated Width: 8-9/16", 9-3/4", 10-15/16", 12-1/8" Length/Span: In stock or made to order fast! Heavy-uty Welded Stair Tread ast Abrasive Nosing Swage-Locked Stair Tread orrugated Angle Nosing I-Bar Stair Tread orrugated Angle Nosing SAFE-T-GRI Stair Tread orrugated Angle Nosing GHB SERIES McNIHOLS Heavy-uty Welded GHB Series Grating Stair Treads can handle heavier load requirements with a bearing bar thickness of 1/4" and bar heights from to 3". For more details on GHB Series Grating, please see page 5. GAL SERIES McNIHOLS Swage-Locked GAL Series Grating Stair Treads are an economical solution for applications requiring high strength and rigidity. GAL Series is lightweight and corrosionresistant. For more details on GAL Series Grating, please see page 6. GIA SERIES McNIHOLS Swage-Locked GIA Series I-Bar Grating Stair Treads are an economical solution for applications requiring high strength and rigidity. GIA Series Stair Treads are lightweight and corrosion-resistant. For more details on GIA Series Grating, please see page 7. SAFE-T-GRI McNIHOLS Swage-Locked SAFE- T-GRI Grating Stair Treads offer comfort and provide a corrosion-resistant walking surface ideal for waste water treatment plants applications, pedestrian bridges, and walkways. For more details on SAFE- T-GRI Grating, please see page 8. PROUT OPTIONS Material: arbon Steel, arbon Steel (Powder oated Black), Bar Height:, 1-1/4", 1-1/ Bar Thickness: 1/4" (Rectangular) Surface: Smooth, Serrated Width: 8-9/16", 9-3/4", 10-15/16", 12-1/8" Length/Span: In stock or made to order fast! PROUT OPTIONS Material: Aluminum Bar Height:, 1-1/4", 1-1/, 1-3/4" Bar Thickness: 3/16" (Rectangular) Surface: Smooth, Serrated Width: 8-9/16", 9-3/4", 10-15/16", 12-1/8" Length/Span: In stock or made to order fast! PROUT OPTIONS Material: Aluminum Bar Height:, 1-1/4", 1-1/, 1-3/4" Bar Thickness: 1/4" (I-Bar) Surface: Grooved Width: 8-5/8", 9-13/16", 1, 12-3/16" Length/Span: In stock or made to order fast! PROUT OPTIONS Material: Aluminum Bar Height:, 1-1/4", 1-1/ Bar Thickness: Please see Bar Spacing chart on page 30. Surface: Grooved (GRIP TIGHT Available) Length/Span: In stock or made to order fast! Lengths up to 4 for 1-1/ height TB-940 only. ALUMINUM STEEL RETANGULAR BAR 1-3/16" T BB I-BAR 1-3/16" T BB BEARING MAXIMUM TREA SPAN BEARING MAX.TREA BAR SIZE PLAIN SERRATE BAR SIZE SPAN x 3/16" 28" -- x 1/4" 28" 1-1/4" x 3/16" 34" 3 1-1/4" x 1/4" 34" 1-1/ x 3/16" 4 38" 1-1/ x 1/4" 4 1-3/4" x 3/16" 5 46" 1-3/4" x 1/4" 5 3/4" x 3/16" 28" -- PLEASE NOTE: Maximum x 3/16" 4 34" tread length/span based on 300 lb. concentrated load 1-1/4" x 3/16" 56" 50" on front 5 inches of tread at 1-1/ x 3/16" 66" 63" center of tread length. EN PLATE IMENSIONS GW/GAL SERIES WITH HEIGHT A B 5", 6-3/16" - 1-1/4" 2-1/ 1-3/4" 2-1/ 5", 6-3/16" 1-1/ - 2-1/ 2-1/ 2-1/4" 3" 7-3/8", 8-9/16" - 1-1/4" 4-1/ 1-3/4" 2-1/ 7-3/8", 8-9/16" 1-1/ - 2-1/ 4-1/ 2-1/4" 3" 9-3/4", 10-15/16", 12-1/8" 9-3/4", 10-15/16", 12-1/8" - 1-1/4" 7" 1-3/4" 2-1/ 1-1/ - 2-1/ 7" 2-1/4" 3" B 7/16" ia. Hole 1-1/4" Nosing 1-1/8" End Plate View A Width Grating 7/16" x 1-7/16" Slot mcnichols.com 2018

13 McNIHOLS GRATING PROUTS FIBE R G L AS S FIBERGLASS GRATING McNIHOLS Fiberglass Grating offers a variety of styles, strengths, resins and bearing bar colors. Molded and Pultruded Fiberglass Grating are lightweight, corrosion-resistant, fire-retardant and can be used like traditional Metal Grating but have the inherent benefits of Fiberglass. They are ideal alternatives to Steel Gratings in corrosive environments or when frequent Grating and Walkway replacement costs are prohibitive. STANAR PANEL SIZE % OPEN AREA PROUT SURFAE HEIGHT RESIN SERIES TYPE & NAME ONSTRUTION TYPES PROUT SPEIFIATIONS HOW TO ORER /SPEIFY McNIHOLS SQUARE MOLE RETANGULAR MOLE PULTRUE I-BAR PULTRUE T-BAR/WIE T-BAR EKING & FLOORING Square Grid: MS-S, MS-M Rectangular Grid: MS-R, MS-T-R, MS-T- MS-I-6000 URGRI, MS-I-4000 URAGRI, MS-T-I-6015 URAGRI, MS-I-6515 URAEK MS-T-5020 URAGRI, MS-WT-1810 URAGRI, MS-WT-1210 URAGRI, MS-WT-3810 URAGRI SAFEK, SAFPLANK, SAFPLATE Polyester, Vinyl Ester Polyester, Vinyl Ester Polyester, Vinyl Ester, Phenolic Polyester, Vinyl Ester Polyester, 1-1/,, 1-1/, 1-1/, 1-1/, eck: 1-1/8" Plank: Plate: 0.125", 0.250" oncave, Grit oncave, Grit Fine Grit, Medium Grit, oarse Grit Fine Grit, Medium Grit, oarse Grit Grit: Punched or Solid Smooth: Punched or Solid 72% to 44% 69% to 65% 40% to 65% 12% to 18% 0% to 4% x 120" 48" x 96" 48" x 120" 48" x 144" 60" x 120" x 120" x 144" 48" x 96" 48" x 144" x 240" 48" x 240" x 240" 48" x 240" 48-1/8" x 144" eck: x 240", x 288" Plank: 1 & x 144", 240" & 288" Plate: 48" x 96" WE ARE REAY AN INSPIRE TO SERVE YOU AT ! McNIHOLS Fiberglass Grating, Molded, M S - S F l o o r i n g 2018 RESIN HARATERISTIS RESIN TYPE ESRIPTION Polyester Fire Retardant, lass 1 Flame Rating of 25 or less per ASTM E-84 Vinyl Ester Fire Retardant, lass 1 Flame Rating of 25 or less per ASTM E-84 SGF Polyester Orthophthalic Polyester Architectural Grade, Fire Retardant, lass 1 Flame Rating of 25 or less per ASTM E-84 Food Grade, Fire Retardant, lass 2 Flame Rating of 30 or less per SFF Polyester ASTM E-84 Phenolic Fire Retardant, lass 1 Flame Rating of 25 or less per ASTM E-84. SPH Flame Spread 10, Smoke Index 10 Various NFR omposites Non-Fire Retardant SPF SVF mcnichols.com FIBERGLASS GRATING The information provided below is your guide for choosing the right McNIHOLS FIBERGLASS GRATING product for your project. Please specify: APPLIATION Fiberglass Grating use and physical requirements: Exposure to chemicals and/or extreme temperatures Fir e r et ar dant rating ( Resin haracteristics table on this page has additional information) Loading, span and support requirements (product load tables in this section have additional information) ONSTRUTION TYPE Molded (Square, Rectangular) or Pultruded (I-Bar, T-Bar, Wide T-Bar) RESIN & T YPE Type of Resin (SPF Polyester, SVF Vinyl Ester, SGF Polyester, SFF Polyester, SPH Phenolic) OLOR hoose Grating color (e.g. Yellow, Green, etc.) GRI HEIGHT, SIZE & SHAPE Molded grid height, grid pattern spacing (measured in inches) and shape (square or rectangular) BEARING BAR SIZE, SHAPE & SPAING Pultruded bearing bar height (measured in inches), shape (I-Bar, T-Bar, Wide T-Bar) and spacing (center to center of bearing bars, between bearing bar top flanges, and between bottom bearing bar bottom flanges) PROUT SURFAE oncave, grit (Molded) or fine, medium or coarse grit (Pultruded) OPEN AREA Percentage of open area SPAN irection of Pultruded bearing bars or Molded grid (Rectangular pattern only) QUANTITY/SIZE(S) Number of panels and/or sizes (including cut-to-size pieces and stub/cut preferences) SPEIAL Requirements like fabrication, notching, cut-outs, stair treads, EXTREN Structural Shapes and Plate, non-standard tolerances, etc. AESSORIES Quantity and type of lips or Fasteners/Hardware 11

14 FIBERGLASS McNIHOLS GRATING PROUTS SQUARE MOLE FIBERGLASS GRATING McNIHOLS Square Molded Fiberglass Grating is the economical product of choice where corrosion resistance or fire retardancy is paramount and high impact resistance is desired. When compared to steel, this product is very lightweight but still maintains its ability to support heavy loads. MS-S-100 SQUARE GRI (MS-S) McNIHOLS Square Grid MS-S Molded Fiberglass Grating panels are corrosionresistant and fire-retardant. An optional grit surface provides additional slip-resistant properties. Square Grid Molded Grating has an open area range from 70% to 72%, depending on the grid size. IAGRAM PROUT ETAILS: SQUARE GRI (MS-S) 1-1/ TOP VIEW 1-1/ TOP AN SIE VIEW OF MS-S / 1/4" SIE VIEW 13/64" FIBERGLASS LOA LOA TABLE: TABLE: MS-S-100 MS S-100 SPAN LOA SAFE LOA 1 U <0.010 < < U U " U U MS-S-100 Square Grid Size: / x 1-1/ 240 STOK LIST OPTIONS Resin: SPF, SVF, SGF olor: ark Gray, Green, Light Gray, Yellow Grid Height: 1-1/ SERIES HEIGHT GRI SIZE #/SF % O/A RESIN/TYPE MS-S / x 1-1/ % MS-S / 1-1/ x 1-1/ % MS-S-200 x % Grid Size: 1-1/ x 1-1/ Square Surface: oncave, Grit Width: 48" Length: 144" For Resin haracteristics, please see page 11. FIBERGLASS LOA LOA TABLE: MS-S-150 S-150 SPAN LOA SAFE LOA 1 U <0.010 <0.010 <0.010 <0.010 < <0.010 <0.010 < U < < U " U U U " U U - eflection Under Uniform Load - eflection Under oncentrated Load MS-M-150 Safe Load 5:1 Safety Factor MS-S-150 Square Grid Size:1-1/ x 1-1/ SQUARE GRI (MS-M) McNIHOLS Square Grid MS-M Molded Grating has a grid surface of 3/4" squares, while the bottom grid is made up of 1-1/ squares. The small surface openings make it ideal for AA applications with an open area of 44%. FIBERGLASS LOA LOA TABLE: MS-M-150 M-150 SPAN LOA SAFE LOA 1 U <0.010 < < U U " U U U MS-M-150 Square Grid Size: U " Top: 3/4", Bottom: 1-1/ U - eflection Under Uniform Load - eflection Under oncentrated Load Safe Load 5:1 Safety Factor FIBERGLASS LOA LOA TABLE: TABLE: MS-S-200 S-200 SPAN LOA SAFE LOA 1 U <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 < <0.010 <0.010 <0.010 <0.010 < U <0.010 < <0.010 < U < " U U U " U " U U - eflection Under Uniform Load - eflection Under oncentrated Load IAGRAM OPTIONS STOK LIST Safe Load 5:1 Safety Factor MS-S-200 Square Grid Size: x PROUT ETAILS: SQUARE GRI (MS-M) 3/4" 3/4" TOP VIEW Resin: SGF olor: ark Grey, Green Grid Height: 1-1/ TOP AN SIE VIEW OF MS-M / 1-1/ 9/3 Grid Size: Top: 3/4" x 3/4" Square Bottom: 1-1/ x 1-1/ Square Surface: Grit Width: 48" Length: 144" SERIES HEIGHT GRI SIZE #/SF % OA RESIN/TYPE For Resin haracteristics, MS-M / 3/4" x 3/4" (TOP) % please see page 11. 3/4" SIE VIEW 13/64" 1/4" mcnichols.com 2018

15 McNIHOLS GRATING PROUTS FIBERGLASS RETANGULAR MOLE FIBERGLASS GRATING McNIHOLS Rectangular Grid Molded Fiberglass Grating panels are corrosion-resistant and fire-retardant. The most popular grid is x 4" with a grid height (1-1/ x 6" grid is also available). We offer a variety of panel colors, resin types and sizes from stock! U - eflection Under Uniform Load - eflection Under oncentrated Load U - eflection Under Uniform Load - eflection Under oncentrated Load RETANGULAR GRI (MS-R) McNIHOLS Rectangular Grid Molded Fiberglass Grating Panels have a x 4" or 1-1/ x 6" rectangular grid and are corrosion-resistant and fire-retardant. The panel MS-R-100 surface is available with a concave top or with grit for added slip resistance. Rectangular Grid has an open area range from 67% to 69% depending on the grid size. SPAN LOA " 4 LOA TABLE: MS-R-100 SAFE LOA U <.010 <.010 < <.010 < U U U U U MS-R-100 Rectangular Grid Size: x 4" SPAN LOA " 4 48" Safe Load 5:1 Safety Factor LOA TABLE: MS-R-150 SAFE LOA U <.010 <.010 <.010 < <.010 < U < U U U U U MS-R Rectangular Grid Size: / x 6" 368 HOLE PROUT SAMPLES NEE A SAMPLE? We are ready and Inspired to Serve you at ! Safe Load 5:1 Safety Factor IAGRAM OPTIONS STOK LIST Type F Type M SERIES GRI HEIGHT GRI SZIE #/SF % O/A MS-R-100 x 4" % MS-R / 1-1/ x 6" % FIBERGLASS STAIR TREA OVER PANEL RESIN & TYPE SGF Polyester OLOR Black with Yellow Nosing THIKNESS 1/8" SURFAE Grit LIP Yellow Lip WITH PROUT ETAILS: RETANGULAR GRI TOP AN SIE VIEW OF MS-R-100 SIE VIEW Resin: SGF, SVF olor: ark Gray Grid Height:, 1-1/ LIPS & FASTENERS Stock: 9",10" width; 8", 1, 1 width (Special Order) LENGTH 144" Panel Type Z Type MI/MT Grid Size: x 4" Rectangular, 1-1/ x 6" Rectangular Surface: oncave, Grit Width:, 48" Length: 96", 120", 144" A complete list of lips and Fasteners is available on page 28. MS-T- 9/3 15/64" TOP VIEW 4" ww RESIN & TYPE SGF Polyester OLOR Gray, Green GRI HEIGHT 1-1/ GRI SIZE 1-1/ x 6" Rectangular SURFAE Grit NOSING Integral, both sides of panel SIZE FIBERGLASS MOLE STAIR TREA PANEL SPAN/ EFLETION MOLE ONSTRUTION Resin Type J Type RI/RT MS-T-R-150 Glass Rovings Stock: 22-1/ 22.5" width x x 120" length; Nosing on 120" edges; Treads may be cut to size to width and length desired; common sizes sizes are 7-5/8", are 9-1/8" 7-5/8", and 9-1/8" 10-5/8" and 10-5/8" 3 (1/8" or less deflection) 38" (1/4" or less deflection) mcnichols.com 13

16 FIBERGLASS McNIHOLS GRATING PROUTS PULTRUE I-BAR FIBERGLASS GRATING ombining corrosion resistance, long life and a maintenance-free design, McNIHOLS MS-I-6000 Series URAGRI Pultruded I-Bar Fiberglass Grating has I-Bar shaped bearing bars with perpendicular cross bar rods placed every 6 inches. MS-I URAEK has cross rods placed every 8 inches. MS-I-6010 MS-I-6010 McNIHOLS MS-I URAGRI I-Bar Fiberglass Grating is our most popular Pultruded product. Polyester resin panel bearing bars and cross bar colors may vary from each other. MS-I-6010 has a height with an open area of 60%. IAGRAM PROUT ETAILS: I-BAR SERIES A - enter to center of bearing bar B - Spacing between bearing bar top flanges - Spacing between bearing bar bottom flanges Height Width B A EN VIEW FIBERGLASS LOA TABLE: MS-I-6010 SPAN LOA SAFE LOA 1 U U U " U This technical information skilled persons only, with any 1933 U provided is a reference for 1289 evaluation by technically risk. McNIHOLS shall 1649 U use thereof to be at their 943 independent discretion and 48" or damages resulting from 1437 U have no responsibility or 719 liability for results obtained 54" U improper evaluation or use of Grating U - eflection Under Uniform Load - eflection Under oncentrated Load MS-I-6015 MS-I-6015 McNIHOLS MS-I URAGRI I-Bar Fiberglass Grating features an I-Bar shape that provides maximum flexibility in design. The polyester resin panel bearing bars and cross bar colors may vary from each other. MS-I URAGRI has a 1-1/ height with an open area of 60%. SPAN LOA SAFE LOA U " 4 48" 54" LOA TABLE: MS-I-6015 Safe Load 2:1 Safety Factor U U U U U This technical information provided is a reference for evaluation by technically 2381 skilled persons only, with any use thereof U to be at their independent discretion and risk. McNIHOLS shall have 2033 no responsibility or liability for results U obtained or damages resulting from 777 improper evaluation or use of Grating U - eflection Under Uniform Load - eflection Under oncentrated Load Safe Load 2:1 Safety Factor OPTIONS STOK LIST Resin: SPF olor: Gray, Yellow Bearing Bar Size: x 0.600", 1-1/ x 0.600" Surface: Medium Grit, Fine Grit Width:, 48" Length: 120", 144", 240" SERIES BEARING BAR SIZE #/SF A B % O/A MS-I-6515 MS-I-4000 SERIES (PAGE 37) MS-I-4010 x 0.600" " 0.400" 0.400" 40% MS-I / x 0.600" " 0.400" 0.400" 40% MS-I-6000 SERIES MS-I-6010 x 0.600" " 0.900" 0.900" 60% MS-I / x 0.600" " 0.900" 0.900" 60% MS-I-6515* 1-1/ x 0.600" " 1.110" 1.110" 65% *Has 8" ross Bar Spacing U - eflection Under Uniform Load - eflection Under oncentrated Load MS-I-6515 McNIHOLS MS-I URAEK I-Bar Fiberglass Grating is economical and features the traditional I-Bar shape that gives maximum flexibility in design. The product has a 1-1/ height with perpendicular cross bar rods placed every 8". Open area is 65%. LOA TABLE: MS-I-6515 Safe Load 2:1 Safety Factor SPAN LOA SAFE LOA 1 U U U " U U This technical information evaluation by technically 2088 skilled persons only, with any U " use thereof to be at their independent discretion and 1784 U provided is a reference for 1194 U risk McNIHOLS " shall have no responsibility or liability for results obtained U or damages resulting from " improper evaluation or use " U of Grating U - eflection Under Uniform Load - eflection Under oncentrated Load Safe Load 2:1 Safety Factor mcnichols.com 2018

17 McNIHOLS GRATING PROUTS FIBE R G L AS S MS-I-4010 & MS-I-4015 PULTRUE FIBERGLASS STAIR TREA PANEL McNIHOLS MS-I URAGRI RESIN & TYPE SPF Polyester Series Pultruded Grating is available from stock in 240" panels with choices of two bearing bar heights ( or 1-1/), 36- or 48-inch widths and a variety of colors. Please note that the polyester resin panel bearing bars and cross bar colors may vary from each other. Most items have a fine grit surface, with optional medium and coarse grit surfaces. This Series has been approved for use in Virginia Graeme Baker Pool and Spa Safety Act (VGB) applications. MS-I URAGRI Series is similar to MS-I URAGRI Series but has an open area of 40%. MS-I-4010 MS-I-4015 OLOR SURFAE LOA U U U U " U U U " U - eflection Under Uniform Load - eflection Under oncentrated Load Integral, one side of panel Stock panels are 11 width x 144 length for 11 wide Treads Stock panels are 12-1/2 width x 144 length for 12-1/2 wide Treads Integral Nosing on one 144 edge Treads may be cut to size to width and length desired Pultruded onstruction Unidirectionally Aligned Glass Fibers Bonded With Resin Thermoset Resin Multidirectional Glass Mat Veil SIZE 40 (1/8 or less deflection, based on 300 lb. load at mid span) SPAN/ EFLETION 52 (1/4 or less deflection, based on 300 lb. load at mid span) TABLE: MS-I-4015 FIBERGLASSLOA LOA TABLE: MS I Grit NOSING MS-T-I-6015 LOA TABLE: MS-I-4010 SPAN Gray, Yellow BAR HEIGHT 1-1/2 I-Bar (MS-T-I URAGRI ) SAFE LOA SAFE SPAN LOA LOA U U U U " U U U " U - eflection Under Uniform Load - eflection Under oncentrated Load This technical information provided is a reference for evaluation by technically 2900 skilled persons only, with any use thereof 1414 to be at their independent discretion and risk. McNIHOLS shall have 2474 no responsibility or liability for results 1078 obtained or damages resulting from improper evaluation or use of Grating Safe Load 2:1 Safety Factor This technical information provided is a 2844 reference for evaluation by technically 4267 skilled persons only, with any use thereof to be at their independent discretion 2041 and risk. McNIHOLS 3571 shall have no responsibility or liability for results obtained or damages resulting from 1525 improper evaluation or use of Grating Safe Load 2:1 Safety Factor PULTRUE T-BAR FIBERGLASS GRATING MS-T-5020 MS-T URAGRI Pultruded T-Bar Fiberglass Grating is an alternative to metal Grating if more surface area is desired. McNIHOLS MS-T URAGRI has a large open area of 50% with a bar height. LOA TABLE: MS-T-5020 SPAN LOA U U U U " U U U " U " U " U " U - eflection Under Uniform Load - eflection Under oncentrated Load SAFE LOA This technical information provided is a 2834 reference for evaluation by technically 1120 skilled persons only, with any use thereof to be at their independent discretion and 2519 risk. McNIHOLS shall have no 907 responsibility or liability for results 2267 obtained or damages resulting from 749 improper evaluation or use of Grating Safe Load 2:1 Safety Factor Width A - enter to center of bearing bar B - Spacing between bearing bar top flanges - Spacing between bearing bar bottom flanges Resin: SPF, SVF olor: Gray, Yellow Bearing Bar Size: x SERIES MS-T-5020 BEARING BAR SIZE x #/SF 3.0 B EN VIEW A Height IAGRAM OPTIONS MS-T-5020 STOK LIST McNIHOLS PROUT ETAILS: T-BAR SERIES Surface: Grit - Fine, Medium, oarse Width:, 48" Length: 240" A B 1.400" % O/A 50% McNIHOLS Fiberglass Grating, Pultruded, MS-WT URAGRI - Balcony Platform, Gonzaga ollege High School, Washington, mcnichols.com 15

18 FIBERGLASS McNIHOLS GRATING PROUTS PULTRUE WIE T-BAR FIBERGLASS GRATING McNIHOLS URAGRI Pultruded Wide T-Bar Fiberglass Grating panels are corrosion- and slip-resistant and fire-retardant. This product has been tested and approved for Virginia Graeme Baker Act (VGB) compliance. MS-WT-1210 MS-WT-1810 MS-WT-3810 MS-WT-1210 McNIHOLS MS-WT URAGRI Grating is available with a bearing bar height in gray polyester resin with medium grit in a 144" length. This Grating has a tight bar spacing and a small open area of 12%, making it ideal for AA applications. MS-WT-1810 McNIHOLS MS-WT URAGRI Grating is available with a bearing bar height in gray or white polyester with a fine or medium grit surface. This Grating has a small open area of 18%, making it a great choice if your needs require AA compliance. MS-WT-3810 McNIHOLS MS-WT URAGRI Grating is available with a bearing bar height in gray polyester resin with medium grit. This Grating has an open area of 38%. IAGRAM OPTIONS STOK LIST PROUT ETAILS: WIE T-BAR SERIES A - enter to center of bearing bar B - Spacing between bearing bar top flanges - Spacing between bearing bar bottom flanges Resin: olor: SPF, SVF SPF - Gray, White, Yellow Bearing Bar Size: x 1.625" SERIES BEARING BAR SIZE Height Width B A EN VIEW Surface: Fine, Medium Grit Width:, 48" Length: 144", 240" #/SF A B % O/A MS-WT-1210 x 1.625" " 0.225" 1.350" 12% MS-WT-1810 x 1.625" " 0.375" 1.500" 18% MS-WT-3810 x 1.625" " 0.995" 1.620" 38% FIBERGLASS LOA LOA TABLE: TABLE: MS-WT-1210 SPAN LOA SAFE LOA 1 U U U " U U This technical information provided is 1251 a reference for evaluation by technically skilled persons only, with any use thereof 1877 U to be --at their --independent discretion and risk. McNIHOLS shall have no 1576 responsibility or liability for results U obtained or damages resulting from " improper evaluation or use of Grating U - eflection Under Uniform Load Safe Load 2:1 - eflection Under oncentrated Load Safety Factor FIBERGLASS LOA LOA TABLE: TABLE: MS-WT-1810 SPAN LOA SAFE LOA 1 U U U " U U This technical information provided is a 1157 reference for evaluation by technically skilled persons only, with any use thereof U to be at their independent discretion and risk. McNIHOLS shall have no 1458 responsibility or liability for results U obtained or damages resulting from " improper evaluation or use of Grating U - eflection Under Uniform Load - eflection Under oncentrated Load Safe Load 2:1 Safety Factor Type F Type M LIPS & FASTENERS Type Z Type MI/MT Type J Type RI/RT A complete list of lips and Fasteners is available on page 28. LOA TABLE: LOA MS TABLE: T-3810 MS-WT-3810 SERIES SPAN LOA SAFE LOA 1 U U U " U U This technical information provided is a reference for evaluation by technically skilled persons only, with any use discretion and risk. McNIHOLS shall have no responsibility or liability U thereof to be at their independent " for results obtained or damages resulting U from improper evaluation or use of Grating U - eflection Under Uniform Load - eflection Under oncentrated Load Safe Load 2:1 Safety Factor mcnichols.com 2018

19 McNIHOLS GRATING PROUTS FIBERGLASS FIBERGLASS EKING & FLOORING McNIHOLS Fiberglass ecking and Flooring products are lightweight and corrosion-resistant. These products are used in a variety of applications, such as trench covers to contain vapors and fumes on pedestrian bridge walkways to ensure footing. SAFEK Resin: SPF omposite olor: Slate Gray Height: 1-1/8" SAFEK McNIHOLS SAFEK Overlapping ecking is a system of wide Fiberglass panels designed to overlap for a continuous solid surface. It is an alternative to wood, Aluminum and Steel ecking in wet or corrosive environments. SAFEK is AA-compliant. PROUT OPTIONS Surface: Grit: Solid or Vented Smooth: Solid or Vented Width: Length: 240", 288" WITH SPAN LOA U U " U U - eflection Under Uniform Load - eflection Under oncentrated Load 1-1/8 LOA TABLE: SAFEK SAFEK Side View SAFPLANK Resin: SPF omposite olor: Slate Gray epth: SAFPLANK McNIHOLS SAFPLANK Interlocking Plank Flooring is an AA-compliant, highstrength system of interlocking planks made from Fiberglass composite that is ideal for dry, wet or certain chemical environments. SAFPLANK Side View PROUT OPTIONS LOA TABLE: SAFPLANK 1 WITH SPAN LOA U < U " U " U U WITH U U " U " U U U - eflection Under Uniform Load - eflection Under oncentrated Load " Surface: Grit: Solid or Vented Smooth: Solid or Vented Width: 1, Length: 144", 240", 288" THIK 1/4" 3/8" 1/ 5/8" 3/4" SAFPLATE Resin: SPF olor: Gray Thickness: 1/8", 1/4", 1/ SAFPLATE McNIHOLS SAFPLATE Plate Flooring is ideal for both wet and dry environments. This AA-compliant plate is Pultruded Fiberglass with a textured, slip-resistant surface. SAFPLATE is a tough corrosion-resistant, lightweight, maintenancefree alternative to Steel plate. PROUT OPTIONS LOA TABLE: SAFPLATE Surface: Smooth, Grit Width: 48" Length: 96" SPAN LOA 1 30" 4 48" 54" 60" U U U U U U U U U U U U U - eflection Under Uniform Load - eflection Under oncentrated Load For allowable loads when sheet is spanning in crosswise direction multiply table values by for 1/4" and for all other thicknesses shown here mcnichols.com 17

20 FIBERGLASS McNIHOLS GRATING PROUTS HEMIAL RESISTANE HART HEMIAL ENVIRONMENT VINYL ESTER SV POLYESTER SP Acetic Acid 0-50% Alcohol, Butyl 74 NR Alcohol, Ethyl 10% 150 NR Alcohol, Isopropyl 10% Alcohol, Isopropyl 100% 74 NR Alcohol, Methyl 10% 150 NR Alcohol, Methyl Isobutyl 150 NR Alcohol, Secondary Butyl 150 NR Aluminum Aluminum hloride Aluminum Hydroxide 5% 120 NR Aluminum Nitrate * Aluminum Potassium Sulfate Ammonia, Aqueous 0-10% Ammonia, Gas Ammonium Bicarbonate Ammonium, Bisulfite Ammonium arbonate 10% Ammonium itrate * * Ammonium Hydroxide 5% Ammonium Hydroxide 10% 120 NR Ammonium Hydroxide 20% 120 NR Ammonium Nitrate 50% Ammonium Persulfate 20% 120 NR Ammonium Phosphate 120 NR Ammonium Sulfate Arsenious Acid * * Barium Acetate 160 NR Barium arbonate 160 NR Barium hloride Barium Hydroxide Barium Sulfate Barium Sulfide 160 NR Beer % Benzene in Kerosene * * Benzene Sulfonic Acid 30% Benzoic Acid O-Benzoyl Benzoic Acid * * Butylene Glycol Butyric Acid 0-50% admium hloride alcium Bisulfate alcium hlorate alcium hloride alcium Hypochlorite alcium Nitrate alcium Sulfate alcium Sulfite aprylic Acid arbon ioxide arbon Monoxide arbon Tetrachloride 100 NR* * arbonic Acid arbon Methyl ellulose 120 NR* * astor Oil * hlorinated Wax 160 NR* * hlorine ioxide/air hlorine ioxide, Wet Gas 160 NR* * hlorine, ry Gas hlorine, Wet Gas 160 NR hlorine, Water 160 NR hloroacetic Acid 0-50% 100 NR hromic Acid 20% 120 NR* * hromium Sulfate itric Acid oconut Oil opper hloride opper yanide 160 NR opper Fluoride 160 NR opper Nitrate opper Sulfate HEMIAL ENVIRONMENT VINYL ESTER SV POLYESTER SP orn Oil orn Starch-Slurry orn Sugar ottonseed Oil rude Oil, Sour rude Oil, Sweet yclohexane etergents, Sulfonated i-ammonium Phosphate 160 NR ibutyl Ether 120 NR iesel Fuel iethylene Glycol imenthyl Phthalate 160 NR ioctyl Phthalate 160 NR ipropylene Glycol odecyl Alcohol 160 NR* Esters, Fatty Acids * Ethylene Glycol Fatty Acids Ferric hloride Ferric Nitrate Ferric Sulfate Ferrous hloride Ferrous Nitrate Ferrous Sulfate Fertilizer Fertilizer: Urea Ammon. Nitrate 120 NR* Flue Gas 160 NR* Fluosilicic Acid 0-20% 160 NR Formaldehyde Formic Acid 10% Fuel Oil Gas, Natural Gasoline, Auto Gasoline Aviation Gasoline, Ethyl Gasoline, Sour Glyconic, Acid Glucose Glycerine Glycol, Propylene Glycolic Acid 70% Heptane Hexane Hexalene Glycol Hydraulic Fluid Hydrobromic Acid 0-25% Hydrochloric Acid 15% 160 NR* Hydrocyanic Acid Hydrofluosilicic Acid 10% 160 NR Hydrogen Bromide, Wet Gas 160 NR* Hydrogen hloride, ry Gas 160 NR* Hydrogen hloride, Wet Gas 160 NR Hydrogen Fluoride, Vapor Hydrogen Peroxide 35% 120 ** Hydrogen Sulfide ry * Hydrogen Sulfide, Aqueous * Hydrosulfite Bleach 120 NR* Hypochlorous Acid 0-10% 160 ** Isopropyl Amine 100 NR* Isopropyl Palmitate Jet Fuel * * Kerosene * * Lactic Acid 160 ** Lauroyl hloride 160 NR* Lauric Acid 160 NR* Lead Acetate 160 ** Lead hloride * * Lead Nitrate * * Levulinic Acid * * Linseed Oil * HEMIAL ENVIRONMENT VINYL ESTER SV POLYESTER SP Lithium Bromide * Lithium Sulfate * Magnesium Bisulfite * Magnesium hloride Magnesium Hydroxide 140 NR* Magnesium Nitrate * Magnesium Sulfate * Maleic Acid * Mercuric hloride 160 ** Mercurous hloride 160 ** Methanol (See Alcohol) * Mineral Oils Molybdenum isulfide 160 NR* Motor Oil Myristic Acid 160 ** Naphtha Naphthalene Nickel hloride Nickel Nitrate Nickel Sulfate Nitric Acid 0-5% Nitric Acid 20% 120 NR* Nitric Acid Fumes NR NR* Octanoic Acid Oil, Sour rude Oil, Sweet rude Oleic Acid Olive Oil Oxalic Acid Phosphoric Acid Phosphoric Acid Fumes Phosphorous Pentoxide Phthalic Acid Pickling Acids (Sulfuric and Hydrochloric) Picric Acid, Alcoholic Polyvinyl Acetate Latex Polyvinyl Alcohol Polyvinyl hloride Latex (35) 120 NR* Potassium Aluminum Sulfate Potassium Bicarbonate Potassium Bromide * Potassium arbonate - - Potassium hloride Potassium ichromate * Potassium Ferricyanide Potassium Ferrocyanide Potassium Hydroxide - - Potassium Nitrate Potassium Permanganate Potassium Persulfate Potassium Sulfate Propionic Acid 1-50% 120 NR* Pulp Paper Mill Effluent Sebacic Acid 160 NR* Selenious Acid 160 NR* Silver Nitrate Soaps Sodium Acetate Sodium Benzoate Sodium Bicarbonate * Sodium Bifluoride Sodium Bisulfate Sodium Bisulfite Sodium Bromate * Sodium Bromide Sodium hlorate Sodium hloride Sodium hlorite 25% Sodium hromate * Sodium yanide HEMIAL ENVIRONMENT VINYL ESTER SV POLYESTER SP Sodium ichromate Sodium i-phosphate Sodium Ferricyanide Sodium Fluoride 120 NR* Sodium Fluoro Silicate 120 NR* Sodium Hexametaphosphates 100 NR* Sodium Hydroxide 0-5% 150 NR Sodium Hydroxide 5-50% 150 NR Sodium Hydrosulfide Sodium Hypochlorite 5% - - Sodium Lauryl Sulfate Sodium Mono-Phosphate Sodium Nitrate Sodium Silicate Sodium Sulfate Sodium Sulfide Sodium Sulfite Sodium TetraBorate Sodium Thiocyanate 160 NR* Sodium Thiosulfate Sodium Tripolyphosphate Sodium Xylene Sulfonate Sodium Solutions Sodium rude Oil Soya Oil Stannic hloride Stannous hloride Stearic Acid Sugar, Beet and ane Liquor Sugar, Sucrose Sulfamic Acid Sulfanilic Acid * * Sulfated etergents Sulfur ioxide, ry or Wet 160 NR* Sulfur, Trioxide/Air 160 NR* Sulfuric Acid 25% Sulfuric Acid 30-50% 160 NR Sulfuric Acid 50-70% 120 NR Sulfurous Acid 10% 100 NR Superphosphoric Acid (76% P 2 O 5 ) Tall Oil Tannic Acid Tartaric Acid Trichloro Acetic Acid 50% Tricresyl Phosphate 120 NR* Tridecylbenzene Sulfonate * * Trisodium Phosphate Turpentine 100 NR* Urea Vegetable Oils Vinegar Water eionized emineralized istilled Fresh Salt Sea White Liquor (Pulp Mill) Xylene NR NR Zinc hlorate Zinc Nitrate Zinc Sulfate NR Not Resistant; No ata. * Applies to SAFEK, SAFPLANK and SAFPLATE ** Additional information may apply. PLEASE NOTE: Temperature data may not be maximum, but rather upper temperature at which a resin has been tested. This chart is intended for general use only and does not contain chemical information for Pultruded Floor Plate. The information in this chart is correct to the best of our knowledge. It is based on extensive experience with Fiberglass Grating in corrosive applications. Because actual use conditions differ and mixtures of corrosives will occur in service, the end user must test for use under actual conditions. Most of the information in this guide is based on laboratory tests and extrapolated values supplied by resin manufacturers. There are no warranties, express or implied, including warranties of merchantability fitness for any particular purpose. In no event will McNIHOLS be liable for incidental or consequential damages, whether arising from alleged negligence, strict liability or otherwise mcnichols.com 2018

21 McNIHOLS GRATING PROUTS P PROUTS LANK McNIHOLS GRATING PLANK GRATING McNIHOLS Plank Grating includes a variety of channel configuration choices and walkway styles. Plank Grating is a one-piece construction product that is lightweight and has aggressive, highly slip-resistant surfaces for added safety. In addition to low material cost and nominal installation cost, Plank Grating provides long-term value with rust-resistant materials and finishes. SERIES NAME PROUT SPEIFIATIONS HOW TO ORER/SPEIFY McNIHOLS IAMONBAK Plank Interlocking Plank with Slip-Resistant Surface, Interlocking Plank with Smooth Surface Extruded Interlocking Plank with Solid Surface, Extruded Interlocking Plank with Vented Surface Plank, Heavy-uty Plank, Walkway, Heavy-uty Walkway Plank, Walkway Aluminum, arbon Steel, Galvanized Steel, Stainless Steel Aluminum, arbon Steel, Galvanized Steel Aluminum, Galvanized Steel Galvanized Steel Aluminum Plank: 4-3/4", 7", 9-1/, 11-3/4", 18-3/4", H Plank: 9-1/4" Walkway: H Walkway: 30" Plank: 5", 7", 10", 1, Walkway:, 30", 7", 10", 1, 9", 1 6", 1 Plank: 1-1/, Plank: 1-1/,, pt. 2-1/, 3" pt. Walkway: 5" Ht. H Plank: pt. Walkway: 4-1/ Ht. H Walkway: 5" Ht. 1-1/, pt. 1-1/,, 2-1/, 3", 4" (Special Order) pt., 1-1/, pt. 34.2% to 47.8% 28.5% to 38.2% 3% to 34.7% 40.9% to 46.1% 0% to 12% 120", 144" (Longer by Special Order) 120", 144" (Longer by Special Order) 120", 144" 144" (1-1/ pt.); 144", 240", 288" (2-1/ pt.); 288" (3" pt.) 144" LENGTH % OPEN AREA ONSTRUTION TYPES GRATE-LOK PRIMARY MATERIAL TRATION TREA WITH PERF-O GRIP HANNEL SIZE GRIP STRUT PL A NK GR AT ING The information provided below is your guide for choosing the right McNIHOLS PLANK GRATING product for your project. Please specify: APPLIATION Plank Grating use and physical requirements Interior/exterior application Loading, span and support requirements Traffic requirements (hand cart, AA, pedestrian, etc.) SERIES NAME & ONSTRUTION TYPE GRIP STRUT (Plank, Walkway), Heavy-uty GRIP STRUT (Plank, Walkway), PERF-O GRIP (Plank, Walkway), GRATE-LOK Interlocking Plank, TRATION TREA Plank, IAMONBAK Extruded Interlocking Plank, Heavy-uty Extruded Plank P RIM A RY M AT ERIA L Ty pe of material (Aluminum, arbon Steel, Pre-Galvanized Steel, Stainless Steel) MATERIAL FINISH Inventory is typically mill finish unless otherwise specified WE ARE REAY AN INSPIRE TO SERVE YOU AT ! GAUGE (THIKNESS) Material gauge numbers or thickness in inches (specify as Extrusion for IAMONBAK Extruded Interlocking Plank and Heavy-uty Extruded Plank) SURFAE PROFILE, WITH & HANNEL SIZE Number of openings to width, surface profile, width of Plank / Walkway and channel size. epth for Plank, height for Walkway. (e.g. 5-iamond (11-3/4" width), channel depth) OPEN AREA Percentage of open area QUANTITY/SIZE(S) Number of panels and/or pieces (including cut-to-size) SPEIAL Requirements such as fabrication, notching, cut-outs, Stair Treads (size, and Nosing type if desired), non-standard tolerances, etc. McNIHOLS Plank Grating, Plank, GRIP STRUT - Walking Surface, Tennessee Valley Authority, Ocoee, TN McNIHOLS Plank Grating, Plank, PERF-O GRIP, 10-Hole, 6-Hole - Farm Equipment Platform, Williamsburg, IA mcnichols.com AESSORIES Quantity and type of lips or Fasteners/Hardware, Splice Plate Kit

22 PLANK McNIHOLS GRATING PROUTS GRIP STRUT PLANK & WALKWAY McNIHOLS GRIP STRUT has a slip-resistant diamond surface that is ideal for safety applications where mud, ice, snow, oil and detergents can create hazardous walking conditions. In addition to low material cost and nominal installation cost, GRIP STRUT provides long-term value with rust-resistant materials and properties. GRIP STRUT GRIP STRUT PLANK The surface of the planks have diamondshaped openings with serrated edges, making them slip resistant in every direction under practically all conditions. McNIHOLS GRIP STRUT is also available in Ladder Rungs and Stair Treads (pages 28-29). PROUT OPTIONS Material: Aluminum, arbon Steel, Galvanized Steel, Stainless Steel Gauge: 16, 14, 12 (Stainless Steel),.0800",.1000" (Alum) Width: 4-3/4", 7", 9-1/, 11-3/4", 18-3/4", epth: 1-1/,, 2-1/, 3" Length: 120", 144" Stock, ut-to-size Available IAMON ANHOR LIPS & FASTENERS AA MI-SUPPORT LIP SPLIE PLATE KIT A complete list of lips and Fasteners is available on page 28. End & Top View GRIP STRUT Stair Treads page 29 EPTH #/LF LEAR SPAN (mm) (kg/m) 2' 2' 6" 3' 3' 6" 4' 4' 6" 5' 5' 6" 6' 6' 6" 7' 7' 6" 8' 9' 10' 11' 12' ALUMINUM ALLOY TYPE 5052-H32.080" THIK U Spans in blue shaded area produce deflection of 1/4" (50.8) (1.37) or less under uniform load of 100 Lbs./Square Foot STEEL 14 GAUGE 1-1/ (38.1) (50.8) 1-1/ (38.1) (50.8) 2.3 (3.42) 2.6 (3.87) 3.2 (4.76) 3.6 (5.36) U ' and 12' lengths available for most sizes. Galvanized available in 14 Gauge and Gauge. Please visit mcnichols.com for more information U STEEL 12 GAUGE U U EPTH #/LF LEAR SPAN (mm) (kg/m) 2' 2' 6" 3' 3' 6" 4' 4' 6" 5' 5' 6" 6' 6' 6" 7' 7' 6" 8' 9' 10' 11' 12' ALUMINUM ALLOY TYPE 5052-H " THIK U Spans in blue shaded area produce deflection of 1/4" (50.8) (1.71) or less under uniform load of 100 Lbs./Square Foot STEEL 14 GAUGE 1-1/ (38.1) (50.8) 1-1/ (38.1) LOA TABLE: 2-IAMON PLANK (4-3/4" WITH) 3.0 (4.46) 3.2 (4.76) 4.1 (6.10) LOA TABLE: 3-IAMON PLANK (7" WITH) U ' and 12' lengths available for most sizes. Galvanized available in 14 Gauge and Gauge. Please visit mcnichols.com for more information U STEEL 12 GAUGE U U - Uniform Load - Lbs./Square Foot - eflection - in Inches - oncentrated Load U - Uniform Load - Lbs./Square Foot - eflection - in Inches - oncentrated Load EPTH #/LF LEAR SPAN (mm) (kg/m) 2' 2' 6" 3' 3' 6" 4' 4' 6" 5' 5' 6" 6' 6' 6" 7' 7'6" 8' 9' 10' 11' 12' ALUMINUM ALLOY TYPE 5052-H " THIK U This technical information provided 1-1/ is a reference for evaluation by (38.1) (1.90) technically skilled persons only, with any use thereof to be at their independent discretion and risk. U McNIHOLS shall have no responsibility or liability for results obtained or damages (50.8) (2.03) resulting from improper evaluation or use of Grating STEEL 14 GAUGE U ' and 12' lengths available for most 1-1/ sizes. Galvanized available in 14 Gauge and (38.1) (5.36) Gauge. Please visit mcnichols.com for more information STEEL 12 GAUGE U U - Uniform Load - 1-1/ Lbs./Square Foot (38.1) (7.44) eflection - in Inches - oncentrated Load (50.8) (50.8) 5.4 (8.04) 3.2 (4.76) eflection () LOA TABLE: 4-IAMON PLANK (9-1/ WITH) U STAINLESS STEEL TYPE GAUGE U Spans in blue shaded area produce deflection of 1/4" or less under uniform load of 100 Lbs./Square Foot. LOA U Figure 1 UNIFORM LOA (U) application to all Grating: Maximum load (lb./sf) permitted by flexural stress in side rail or Grating strut, whichever is lower, applied to entire Grating area (full-width by clear span) between supports. EFLETION () in all walkways/ planks: eflection (in) corresponding to maximum load (U) or () permitted by flexural stress in side rail or Grating strut, whichever is lower, applied as defined in figures 1 or 2 and 3. eflection () LOA Figure 2 ONENTRATE LOA () application to all walkways/planks: Maximum load (lb./ft.) permitted by flexural stress in side rail or Grating strut, whichever is lower, applied transversely to total width of Grating at midspan and assumed to be carried equally by both side rails. EFLETION () in all walkways/ planks: eflection (in) corresponding to maximum load (U) or () permitted by flexural stress in side rail or Grating strut, whichever is lower, applied. LOA s eflection ( s ) Figure 3 ONENTRATE LOA (s) application to Grating surface struts of all walkways/planks: Maximum load (lb./ft.) permitted by flexural stress in Grating strut, applied longitudinally to a 1 ft. length of Grating at mid-width. STRUT EFLETION (s) in all walkways/planks: eflection (in) corresponding to maximum concentrated strut load (s), permitted by flexural stress in Grating surface strut, applied longitudinally to a 1 ft. length of Grating at mid-width mcnichols.com 2018

23 McNIHOLS GRATING PROUTS PLANK GRIP STRUT PLANK (ONTINUE) EPTH #/LF LEAR SPAN (mm) (kg/m) 2' 2' 6" 3' 3' 6" 4' 4' 6" 5' 5' 6" 6' 6' 6" 7' 7' 6" 8' 9' 10' 11' 12' ALUMINUM ALLOY TYPE 5052-H " THIK U / (38.1) (2.22) A complete list of McNIHOLS (50.8) 1-1/ (38.1) (50.8) 2-1/ (63.5) 1-1/ (38.1) (50.8) 2-1/ (63.5) (50.8) LOA TABLE: 5-IAMON PLANK (11-3/4" WITH) 1.59 (2.36) 4.2 (6.25) 4.4 (6.55) 4.7 (6.99) 5.9 (8.78) 6.2 (9.23) 6.6 (9.82) 3.7 (5.51) U STEEL 14 GAUGE U ' and 12' lengths available for most sizes. Galvanized available in 14 Gauge and 12 Gauge. U U STEEL 12 GAUGE U U - Uniform Load Lbs./Square Foot eflection - in Inches - oncentrated Load U U STAINLESS STEEL TYPE GAUGE U PLANK GRATING items is available at mcnichols.com! Spans in blue shaded area produce deflection of 1/4" or less under Uniform Load of 100 Lbs./Square Foot. EPTH #/LF LEAR SPAN (mm) (kg/m) 2' 2' 6" 3' 3' 6" 4' 4' 6" 5' 5' 6" 6' 6' 6" 7' 7' 6" 8' 9' 10' 11' 12' ALUMINUM ALLOY TYPE 5052-H32.080" THIK U ' and 12' lengths available for most sizes. Galvanized available in 14 Gauge and (50.8) (3.27) Gauge STEEL 14 GAUGE (50.8) 1-1/ (38.1) (50.8) 6.3 (9.4) 8.5 (12.6) 8.9 (13.2) EPTH #/LF (mm) (kg/m) LOA TABLE: 8-IAMON PLANK (18-3/4" WITH) U Spans in shaded area produce deflection of 1/4" or less under Uniform Load of 100 Lbs./Square Foot STEEL 12 GAUGE U U U LEAR SPAN 2' 2' 6" 3' 3' 6" 4' 4' 6" 5' 5' 6" 6' 6' 6" 7' 7' 6" 8' 9' 10' 11' 12' STEEL 14 GAUGE U U - Uniform Load - Lbs./Square Foot - eflection - in Inches - oncentrated Load LOA TABLE: 10-IAMON PLANK ( WITH) ' and 12' lengths available for most sizes. Galvanized available (50.8) 5/16" (11.0) /8" in 14 Gauge and 12 Gauge ±2-1/2 Height STEEL 12 GAUGE U Spans in blue shaded area produce deflection /8" of 1/4" or less under (38.1) (15.5) Uniform Load of 100 Lbs./Square Foot U " 1-1/8" /16" (76.2) (16.5) 9/16" /8" 7/16" GRIP STRUT GRIP STRUT WALKWAY McNIHOLS GRIP STRUT Walkway offers the same high slip resistance as GRIP STRUT Planks. In addition, GRIP STRUT Walkway meets OSHA requirements for toeboards on elevated structures because of the inverted channels that are measured in terms of depth. 4-1/ Height 90 ± 2-1/2 End View 5/16" 5/8" HT. #/LF (mm) (kg/m) 4-1/ 4-1/ LOA TABLE: 10-IAMON WALKWAY ( WITH) 8.9 (13.2) 12.5 (18.6) LEAR SPAN 2' 2'6" 3' 3'6" 4' 4'6" 5' 5'6" 6' 6'6" 7' 7'6" 8' 9' 10' 11' 12' STEEL 14 GAUGE U STEEL 12 GAUGE U PROUT OPTIONS Material: Galvanized Steel Gauge: 14, 12 Height: 4-1/ Width: Length: 120", 144" IAMON ANHOR LIPS & FASTENERS H-B--10 SALE SPLIE PLATE KIT A complete list of lips and Fasteners is available on page 28. GRIP STRUT Walkway mcnichols.com 21

24 PLANK McNIHOLS GRATING PROUTS HEAVY-UTY GRIP STRUT PLANK End View McNIHOLS Heavy-uty GRIP STRUT Planks are designed for heavier loads and longer spans with their 10 Gauge thickness. iamond openings are larger than openings on standard size planks. These features provide exceptional slip resistance in areas that may be exposed to snow, ice, mud, oils and other slippery substances. 21/3 21/3 epth epth 90 ± 2-1/2 90 ± 2-1/2 1-5/16" 1-5/16" H GRIP STRUT PROUT OPTIONS Material: Galvanized Steel Gauge: 10 Width: 9-1/4", 13-3/4", 23-1/4", (Stock) epth: (Stock), 2-1/, 3", 4" Length: 144" 1-1/4" 1-1/4" Top View 1-1/4" 1-1/4" 3-7/8" 3-7/8" 9/16" 3-7/8" 3-7/8" 9/16" 1-1/4" 1-1/4" EPTH (mm) (50.8) EPTH (mm) 2-1/ (63.5) LOA TABLE: 2-IAMON H PLANK (9-1/4" WITH) #/LF (kg/m) 7.4 (11.0) #/LF (kg/m) 10.0 (14.9) LEAR SPAN 2' 2' 6" 3' 3' 6" 4' 4' 6" 5' 5' 6" 6' 6' 6" 7' 7' 6" 8' 9' 10' 11' 12' STEEL 10 GAUGE U LOA TABLE: 3-IAMON H PLANK (13-3/4" WITH) LEAR SPAN 2' 2' 6" 3' 3' 6" 4' 4' 6" 5' 5' 6" 6' 6' 6" 7' 7' 6" 8' 9' 10' 11' 12' STEEL 10 GAUGE U HEAVY-UTY GRIP STRUT STAIR TREAS 2' 2'6" 3' 4' U Material: Galvanized Steel 10 GA #/LF: 7.4 epth: Width: 9-1/4" Length: to 48" 7/16" x 1-3/4" Slot Side View 9-1/4" 5-7/8" 7/16" ia. Hole EPTH (mm) (50.8) LOA TABLE: 5-IAMON 1-1/4" H PLANK (23-1/4" WITH) #/LF (kg/m) 14.4 (21.4) 1-1/4" LEAR Walkway SPANWidth 2' 2' 6" 3' 3' 6" 4' 4' 6" 5' 5' 6" 6' 6' 6" 7' 7' 6" 8' 9' 10' 11' 12' STEEL 10 GAUGE Walkway Width U " Height " /2 Height /16" /2 ± /3 U /16" / / (63.5) (22.0) LOA TABLE: 8-IAMON H PLANK ( WITH) 21/3 EPTH #/LF LEAR SPAN 1-5/16" (mm) (kg/m) 2' 2' 6" 3' 3' 6" 4' 4' 6" 5' 5' 6" 6' 6' 6" 7' 7' 6" 8' 9' 10' 11' 12' STEEL 10 epth GAUGE /2 ± U /4" (50.8) (29.6) /4" 1-1/4" U - Uniform Load - Lbs./Square Foot - eflection - in Inches - oncentrated Load 3-7/8" 3-7/8" 9/16" HEAVY-UTY GRIP STRUT WALKWAY H GRIP STRUT McNIHOLS Heavy-uty GRIP STRUT Walkway meets OSHA toeboard requirements for elevated structures with upturned, 5" high integral side channels (referred to as height). Heavy-uty GRIP STRUT Walkway is commonly used in process plants, refineries, conveyor walkways and grain elevators. PROUT OPTIONS Material: Galvanized Steel Gauge: 10 Width:, 30", Height: 5" Length: 120", 144" 5" Height 1-1/4" 21/3 90 ± 2-1/2 End View Walkway Width 1-5/16" LOA TABLE: 6 & 8-IAMON H WALKWAY (30" & WITH) HT. #/LF (mm) (kg/m) WITH 5" 19.9 (127) (29.6) 5" 22.7 (127) (33.8) 30" LEAR SPAN 4' 5' 6' 7' 8' 9' 10' 11' 12' 13' 14' 15' 16' 18' 20' 22' 24' STEEL 10 GAUGE U U LIPS & FASTENERS IAMON ANHOR H-B--10 SALE LIP SPLIE PLATE KIT A complete list of lips and Fasteners is available on page mcnichols.com 2018

25 McNIHOLS GRATING PROUTS PLANK PERF-O GRIP PLANK & WALKWAY McNIHOLS PERF-O GRIP is made up of large debossed holes and perforated buttons that provide slip resistance and performance in every direction. Fluids, mud, chips, snow and other debris fall easily through the product's numerous openings. PERF-O GRIP PERF-O GRIP PLANK McNIHOLS PERF-O GRIP Plank offers a high load capacity, long life and high strength-to-weight performance. The aggressive grip surface enhances safety. Applications include walkways, ramps, catwalks and more! PROUT OPTIONS Material: Aluminum, arbon Steel, Galvanized Steel Gauge: 13, 11,.1250" Thick (Aluminum) Width: 5", 7", 10", 1, epth: 1-1/, Length: 120", 144" End View PERF-O GRIP 3/3 Stair Treads /2 ± page 29 7/8" Top View EPTH #/LF 1-1/ 2.6 EPTH #/LF 1-1/ LOA TABLE: 2-HOLE PLANK (5" WITH) LEAR SPAN 2' 2' 6" 3' 3' 6" 4' 4' 6" 5' 5' 6" 6' 7' 8' 9' 10' 11' 12' STEEL 13 GAUGE U LOA TABLE: 3-HOLE PLANK (7" WITH) LEAR SPAN 2' 2' 6" 3' 3' 6" 4' 4' 6" 5' 5' 6" 6' 7' 8' 9' 10' 11' 12' STEEL 13 GAUGE U U U - Uniform Load - Lbs./Square Foot - eflection - in Inches - oncentrated Load LOA TABLE: 5-HOLE PLANK (10" WITH) EPTH #/LF 2' 2' 6" 3' 3' 6" 4' 4' 6" LEAR SPAN 5' 5' 6" 6' 7' 8' 9' 10' 11' 12' ALUMINUM ALLOY TYPE 5052-H " THIK U STEEL 13 GAUGE U / U LOA TABLE: 6-HOLE PLANK (1 WITH) LEAR SPAN EPTH #/LF 2' 2' 6" 3' 3' 6" 4' 4' 6" 5' 5' 6" 6' 7' 8' 9' 10' 11' 12' ALUMINUM ALLOY TYPE 5052-H32.125" THIK U " /16" STEEL 13 GAUGE U / U U LOA TABLE: 10-HOLE PLANK ( WITH) LEAR SPAN EPTH #/LF 2' 2' 6" 3' 3' 6" 4' 4' 6" 5' 5' 6" 6' 7' 8' 9' 10' 11' 12' ALUMINUM ALLOY TYPE 5052-H " THIK U STEEL 10 GAUGE U / U LIPS, FASTENERS & AESSORIES BOLT SEAT MI-SUPPORT LIP ARRIER PLATES McNIHOLS Plank Grating, Plank, PERF-O GRIP, 10-Hole - Factory Flooring A complete list of lips and Fasteners is available on page mcnichols.com 23

26 McNIHOLS GRATING PROUTS PLANK PERF-O GRIP WALKWAY End View McNIHOLS PERF-O GRIP Walkway surface can help lessen worker fatigue and has a high load capacity, long life and a high strength-to-weight performance. With 5-inch inverted (referred to as height) side channels, PERF-O GRIP Walkway meets OSHA requirements for toeboards on elevated structures. The large open area (38% of surface area depending on product size) permits free flow of air, heat and light. PERF-O GRIP PROUT OPTIONS FASTENER arbon Steel, Galvanized Steel 13, 11, 30", 5" 120" BOLT SEAT Material: Gauge: Width: Height: Length: A complete list of lips and Fasteners is available on page 28. LOA TABLE: 13-HOLE WALKWAY ( WITH) HT. #/LF U 5" 11.8 LEAR SPAN 4' 4' 6" 5' 5' 6" 6' STEEL 11 GAUGE ' 2' 6" '.04 3' 6" ' 8' 9' 10' 11' 12' LOA TABLE: 16-HOLE WALKWAY (30" WITH) HT. #/LF U 5" 13.6 LEAR SPAN 4' 4' 6" 5' 5' 6" 6' STEEL 11 GAUGE '.01 2' 6".02 3'.03 3' 6" ' 8' 9' 10' 11' 12' McNIHOLS Plank Grating, Plank, PERF-O GRIP, 6-Hole - Flooring, Aurora, IL.30 PLEASE NOTE: PERF-O GRIP Walkway is also available in width. Loading information is available at TRATION TREA PLANK McNIHOLS TRATION TREA Plank features a surface of raised perforated buttons with debossed holes that provide slip resistance in all directions. Planks are well suited for AA-compliant applications. PROUT OPTIONS TRATION TREA Material: Gauge: Width: epth: Length: Aluminum, Galvanized Steel 13, 11,.1250" Thick (Aluminum) 7", 10", 1 1-1/, 120", 144" LOA TABLE: 9-ROW PLANK (7" WITH) LEAR SPAN 2' 6" 3' 3' 6" 4' 4' 6" 5' 5' 6" 6' 6' 6" 7' 7' 6" 8' 9' GALVANIZE STEEL 13 GAUGE U EPTH #/LF 2' LOA TABLE: 14-ROW PLANK (10" WITH) LEAR SPAN 2' 2' 6" 3' 3' 6" 4' 4' 6" 5' 5' 6" 6' 6' 6" 7' 7' 6" 8' ALUMINUM ALLOY TYPE 5052-H " THIK U GALVANIZE STEEL 13 GAUGE U EPTH #/LF LOA TABLE: 17-ROW PLANK (1 WITH) LEAR SPAN 2' 2' 6" 3' 3' 6" 4' 4' 6" 5' 5' 6" 6' 6' 6" 7' 7' 6" 8' ALUMINUM ALLOY TYPE 5052-H " THIK U GALVANIZE STEEL 13 GAUGE U GALVANIZE STEEL 11 GAUGE U / U EPTH #/LF McNIHOLS Plank Grating, Plank, TRATION TREA - Flooring and Stair Treads, Bellingham, MA mcnichols.com 2018

27 McNIHOLS GRATING PROUTS PLANK GRATE-LOK INTERLOKING PLANK GRATE-LOK McNIHOLS GRATE-LOK Interlocking Plank Grating is an easy-to-install system of interlocking grating planks, treads and accessories. GRATE-LOK provides safe, sturdy footing for mezzanine floors, platforms, walkways and other applications where non-slip performance is required. Increased load performance can be realized through this unique design of interlocking, ventilated planks. The Planks' surface of long, round end slots provides an impressive open area of up to 45% that permits passage of water from ceiling sprinklers, air and light. Planks are easy to install with side channels (flanges) that interlock. PROUT OPTIONS Material: Galvanized Steel Gauge: 18, 14 Width: 9", 1 epth: 1-1/, 2-1/, 3", 4" (Special Order) Length: 120", 240", 288" (2-1/ epth), 144" (1-1/ epth), 288" (3" epth) Flange: Male/Male, Female/Female, Female/Male PLEASE NOTE: Only 2-1/ channels may be punched. 1-1/ End & Top View 3" 6" 6" 3" 3/4" 3/4" McNIHOLS Plank Grating, Interlocking Plank, GRATE-LOK - Overhead Walkway GAUGE WITH O/A % #/LF 1-1/ HANNEL EPTH LEAR SPAN (LF) 2' 3' 3' 6" 4' 4' 6" 5' 5' 6" 6' 6' 6" 7' 7' 6" 8' 8' 6" 9' 10' 11' 12' U GAUGE WITH % O/A #/LF 2-1/ HANNEL EPTH LEAR SPAN (LF) 2' 3' 4' 5' 6' 7' 8' 9' 10' 11' 12' 13' 14' 15' 16' 17' 18' " 43% % 2.9 LOA TABLE: GRATE-LOK INTERLOKING PLANK U U % " 38% 3.5 U " 38% 3.5 U % U " 43% U % U " 38% U % U - Uniform Load - Lbs./Square Foot - eflection - in Inches - oncentrated Load This technical information provided is a reference for evaluation by technically skilled persons only, with any use thereof to be at their independent discretion and risk. McNIHOLS shall have no responsibility or liability for results obtained or damages resulting from improper evaluation or use of Grating. These tables are prepared based on test conducted in accordance with the 1980 edition, section 6.2 of the American Iron and Steel Institute specification for the design of cold-rolled steel structural members with results checked and adjusted where required by calculations in accordance with section 2 of the same specification. ( Safe Allowable Loads with deflections equal to or less than L/120 Safe Allowable Loads with deflections equal to or less than L/240) J-BOLT LIPS & FASTENERS A complete list of lips and Fasteners is available on page 28. Slip-Resistant Surface MH-LAMP Smooth Surface Female/Male Interlocking Feature McNIHOLS Plank Grating, Interlocking Plank, GRATE-LOK - Slip-Resistant or Smooth Surface Flange End View MM Male/Male 1-1/ epth Leg configuration differs from 2-1/, 3" or 4" hannel epth MM Male/Male 2-1/, 3" or 4" hannel epth FM Female/Male 1-1/, 2-1/, 3" or 4" hannel epth FF Female/Female 2-1/, 3" or 4" hannel epth mcnichols.com 25

28 PLANK McNIHOLS GRATING PROUTS IAMONBAK INTERLOKING PLANK McNIHOLS IAMONBAK Interlocking Plank offers excellent strength and stability for walkways, platforms, mezzanines, catwalks and other unsupported structures. The ventilated design prevents the build-up of debris like dirt, grease and snow. When slip resistance is critical, this serrated surface Plank is the answer! IAMONBAK Interlocking Plank is AA-compliant when you choose our solid surface option. IAMONBAK McNIHOLS IAMONBAK Interlocking Plank is made using an Aluminum extrusion process. The Plank has a solid surface profile or is vented with angled openings. Both options have lines of raised serrations running parallel to the Plank length. The sides of the Plank channel have dovetail interlocking slots. ovetail Bar Interlocks slide into the slots in the channel to connect or lock adjacent panels. McNIHOLS also carries a IAMONBAK Stair Tread/Plank panel without the dovetail interlocking slots in the side channels. LOA TABLE: IAMONBAK EXTRUE INTERLOKING PLANK (ALUMINUM) SPAN EPTH WITH #/LF 2' 2' 6" 3' 3' 6" 4' 4' 6" 5' 5' 6" 6' 6' 6" 7' 7' 6" 8' 8' 6" U " 1.45 U - Uniform Load - Lbs./Square Foot eflection - in Inches oncentrated Load - Lbs./Square Foot of Width at Mid Span / U U Loads and deflections in this table are theoretical. The specifier is responsible for verifying conformance of this product with applicable codes associated with its intended use. Spans in the blue shaded area will give deflection less than 1/4" for a Uniform Load of 100 Lbs./Square Foot. epth End View Width PROUT OPTIONS Material: Aluminum Alloy Type 6061-T6 Surface: Solid, Vented Width: 6", 1 epth:, 1-1/, Length: 144" Vented Solid ovetail Bar Interlock connects solid and vented Planks McNIHOLS Plank Grating, Interlocking Plank, IAMONBAK - Solid or Vented, Serrated Surface HEAVY-UTY EXTRUE PLANK HEAVY-UTY PLANK An alternative to Bar Grating, McNIHOLS Heavy-uty Extruded Plank is made using an extrusion process that yields a structurally sound and cosmetically attractive product. The interconnecting webs offer a flush top walking surface. The surface on standard Heavy- uty Plank is vented with a square or rectangular-shaped upset pattern and long raised grooves running parallel to the plank length. Short raised grooves run perpendicular to the slot width. PROUT OPTIONS Material: Aluminum Alloy Type 6063-T6 Width: 6" epth: 3/4",, 1-1/, Length: 240" End View 1.200" LOA TABLE: HEAVY-UTY EXTRUE PLANK (ALUMINUM) PT. #/LF PE SPAN IN. 3/4" " " 1-1/ " SPAN 2' 2' 6" 3' 3' 6" 4' 4' 6" 5' 5' 6" 6' 6' 6" 7' 8' U U U - Uniform Load - Lbs./Square Foot - eflection - in Inches - oncentrated Load - Lbs./Square Foot of Width at Mid Span U / 6" Standard Panel Width McNIHOLS Heavy-uty Extruded Plank - rain over, Boston, MA mcnichols.com 2018

29 McNIHOLS GRATING PROUTS PLANK PLANK GRATING STAIR TREAS McNIHOLS Plank Grating Stair Treads are one-piece construction from formed and punched sheet metal. Most Plank Grating Treads are lightweight and offer significantly higher slip resistance than Bar Grating Treads. Plank Treads have a variety of surface openings that have diamond, slotted or round shapes. They are available in Aluminum, arbon Steel, Galvanized Steel or Stainless Steel in a variety of depths, widths and lengths. GRIP STRUT with ast Abrasive Nosing GRIP STRUT STAIR TREAS McNIHOLS GRIP STRUT Stair Treads offer one of the most slip-resistant surfaces in the industry. The tread s surface has diamond-shaped openings with serrated edges, making it slip resistant in every direction. Planks have a high strength-to-weight performance that offers a high load capacity and long life. For details on GRIP STRUT Plank Grating, please refer to page 20. PROUT OPTIONS Material: Aluminum, arbon Steel, Galvanized Steel, Stainless Steel Gauge: 16 (Stainless), 14, 12,.0800" Thick (Alum.) Width: 4-3/4" to 11-3/4" epth: 1-1/, Length/Span: Up to Alum. or SS; up to 48" Steel Standard End View 5/16" 1-3/4" x 7/16" Slot 7/16" ia.hole 1-3/4" x 7/16" Slot End View with Nosing A A GRIP STRUT STAIR TREA ATA STANAR AST ABRASIVE NOSING A B A B 4-3/4"W 1-1/ 3/4" 2-5/8" (2-ia.) 2-5/8" " W 1-1/ 3/4" 3-3/8" 8-1/8" 1-1/ 3/4" 4-1/ (3-ia.) 3-3/8" (3-ia.) 4-1/ 9-1/W 1-1/ 3/4" 5-7/8" 10-1/ 1-1/ 3/4" 6-7/8" (4-ia.) 5-7/8" (4-ia.) 6-7/8" 11-3/4"W 1-1/ 3/4" 8-1/8" (5-ia.) 8-1/8" Above data for Aluminum, Steel and Stainless Steel. Stainless Steel is not available in 2- and 3-iamond widths. Standard manufacturing tolerances apply. 5/16" 7/16" ia.hole 1-1/4" B 27/3 1/4" x Self Tapping Screw 27/3 B WITH SPAN PT. STANAR AST ABRASIVE NOSING ALUMINUM ALLOY TYPE 5052-H " THIK UP to UP to 48" UP to 48" 2-ia /4" -- 3-ia. - 7" 3-ia /8" 4-ia / 4-ia / 5-ia /4" -- STEEL 14 GAUGE 2-ia /4" -- 3-ia. - 7" 3-ia /8" 1-1/ 4-ia / 4-ia / 5-ia /4" -- 2-ia /4" -- 3-ia. - 7" 3-ia /8" 4-ia / 4-ia / 5-ia /4" -- STAINLESS STEEL TYPE GA UP to STANAR SIZE & SPAN 4-ia / -- 5-ia /4" -- Please specify McNIHOLS on your next project. Thank you! 2-IAMON 3-IAMON 4-IAMON 5-IAMON GAUGE SPAN PT. U U U U 2'0" 2'6" 3'0" LOA TABLE: TREAS (STEEL) 1-1/ / / '0" * U - Uniform Load - Lbs./Square Foot - oncentrated Load LOA TABLE: TREAS (ALUMINUM & STAINLESS STEEL) 2-3- IAMON IAMON 4- IAMON 5- IAMON MATL ALUM. ALUM. ALUM. SS 304 ALUM. SS 304 GAUGE.0800".0800".0800" " 16 SPAN PT. U U U U U U 2' ' ' ' ** Intermediate stringer is is recommended for for spans spans over over 4'. 4' Load table data above takes eccentric loads into consideration. 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 load involving unusual impact forces or vibratory for sces. Load-carrying capacity of Stair Treads increases as side channel height and gauge of material increases. PERF-O GRIP STAIR TREAS McNIHOLS PERF-O GRIP Stair Treads can help prevent injuries by providing a slip-resistant surface of large debossed holes and smaller embossed button holes. The Treads have a high load capacity, long life and high strength-to-weight performance. For details on PERF-O GRIP Plank Grating, please refer to page 23. PROUT OPTIONS Material: Aluminum, arbon Steel, Galvanized Steel Gauge: 13, 11,.1250" Thick (Aluminum) Width: 5", 7", 10", 1 epth: 1-1/, Length/Span:, 30", TRATION TREA STAIR TREAS McNIHOLS TRATION TREA Stair Treads feature a surface of hundreds of raised perforated buttons with debossed holes that provide slip resistance in all directions. The Treads are perfectly suited for AA-compliant applications. For details on TRATION TREA Plank Grating, please refer to page 24. PROUT OPTIONS Material: Aluminum, Galvanized Steel Gauge: 13, 11,.1250" Thick (Aluminum) Width: 7", 10", 1 epth: 1-1/, Length/Span:, 30",, 48" mcnichols.com 27

30 RUNGS & FASTENERS McNIHOLS TRATION TREA Ladder Rungs are available in Aluminum, arbon Steel, Galvanized or Stainless Steel. They are available in 1-1/4" to 2-1/4" widths, 48-3/4" and 60" lengths, and range from 1-1/8" to 1-1/ in depth. Ladder Rungs come in 2-, 3- or 4-button rows. McNIHOLS IAMONBAK Ladder Rungs are available with a solid or vented surface. The Rungs have 1-3/4" width with a 1.390" depth and are available in 144" lengths or cut-to-size. Radius end cut Rungs are available by special order. Solid serrated surface is also available. McNIHOLS GRATING PROUTS LAER RUNGS When strength, safety and weight are considerations, McNIHOLS Ladder Rungs are the product of choice. All product types have varying degrees of slip resistance to help provide dependable footing. Ladder Rungs can be cut to your size requirements. TRATION TREA RUNGS IAMONBAK RUNGS GRIP STRUT RUNGS McNIHOLS GRIP STRUT Ladder Rungs have channels of diamonds that provide high traction footing in all directions. These aggressive Rungs come in arbon Steel or Galvanized Steel and have a 1-1/8" depth. Standard size width is 2-1/ and 120" in length. iamonds can run the opposite direction by special order. GRIP TIGHT RUNG OVERS McNIHOLS GRIP TIGHT Ladder Rung overs are constructed with a slip-resistant Aluminum Oxide grit surface coating over 16 Gauge Pre-Galvanized Steel. The 3/4" wide over has a 3/4" depth, and our wide over option has a depth. overs come in 120" lengths or can be cut-to-size. GRATING LIPS & FASTENERS BAR Type B Saddle lip placed over two bearing bars, fastens to support Material: Aluminum, Galvanized Steel, Stainless Steel Product: Bar Grating (Welded, Press-Locked, Swage-Locked) Fit: 1-3/16" bearing bar spacing (Type A for 15/16" bearing bar spacing) Hardware: Available Separately Hold-own lip secures panel to support frame Material: Stainless Steel Product: Most rectangular Bar Grating Fit:, 1-1/ bearing bar height Hardware: Available Separately Type GFS Saddle lip with cast malleable iron body, and one offset wing, fastens to support Material: Galvanized Steel Body, Stainless Steel Bracket Product: Bar Grating Fit: Fits 5/8" to 1-3/8" bearing bar spacing; Adjusts up to 1-3/4" bearing bar height Hardware: Integral with Saddle lip Type Z Type J Hold-own lip secures panel to support frame Material: Stainless Steel Product: Most rectangular Bar Grating Fit:, 1-1/ bearing bar height Hardware: Integral with Hold-own lip Type GG Type RSSG1 Hold-own lip attaches Grating to Structural Shape in a horizontal plane Material: Galvanized Steel, Stainless Steel Product: Bar Grating Fit: 15/16" to 1-1/16" bearing bar spacing Hardware: Integral with Hold-own lip Hold-own lip fastens to horizontal flange on Structural Shape Material: Stainless Steel Product: Bar Grating (Press-Locked - LOSE MESH), Fiberglass Grating Fit: 3/8" bearing bar spacing Hardware: Integral with Hold-own lip FIBERGLASS Type F Type M Hold-own lip joins panels together at adjacent bars Material: Stainless Steel Product: Molded Grating Fit:, 1-1/, grid height Hardware: Integral with Hold-own lip Hold-own Saddle lip placed over two bars, fastens to support Material: Stainless Steel Product: Molded Grating Fit:, 1-1/, grid height Hardware: With or Without Type Z Type J Hold-own lip secures panel to support frame Type MI/MT Hold-own lip secures panel to support frame Material: Stainless Steel Product: Molded Grating Fit:, 1-1/ grid height Hardware: Available Separately Saddle lip placed over two I-Bars (MI) or two T-Bars (MT), fastens to support Material: Stainless Steel Product: Pultruded I-Bar and T-Bar Grating Fit:, 1-1/, bearing bar height Hardware: With or Without Type RI/RT Material: Stainless Steel Product: Molded Grating Fit:, 1-1/ grid height Hardware: Integral with Hold-own lip Insert slides between two I-Bars (RI) or two T-Bars (RT), holding bottom flange to support Material: Stainless Steel Product: Pultruded I-Bar and T-Bar Grating Fit: Any height Hardware: Integral with Insert IAMON ANHOR evice fits in opening, fastens to support Material: Galvanized Steel, Stainless Steel Product: GRIP STRUT Fit: Plank and Walkway Hardware: Available Separately H-B--10 SALE Saddle lip slides into opening, fastens to support Material: Galvanized Steel, Stainless Steel Product: Heavy-uty GRIP STRUT Fit: All Plank and Walkway Hardware: Available Separately AA Anchor and lamp Assembly, hold Planks together, clamps to support Material: Galvanized Steel Product: GRIP STRUT Fit: 1-1/ & hannel epth Hardware: Integral with Assembly PLANK J-BOLT Fastener holds Grating channel to support Material: Galvanized Steel Product: GRATE-LOK Fit: 2-1/ hannel epth Hardware: Integral with J-Bolt MH LAMP Hold-own lamp slides into Grating slot, fastens to support Material: Galvanized Steel Product: GRATE-LOK Fit: 2-1/ hannel epth Hardware: Available Separately BOLT SEAT Fastener slid into round opening, fastens to support Material: Galvanized Steel Product: PERF-O GRIP Fit: All Plank and Walkway Hardware: Available Separately MI - SUPPORT LIP lip used at mid-span, fastening Plank side channels together to improve loading Material: Galvanized Steel Product: GRIP-STRUT, PERF-O GRIP, TRATION TREA Fit: All Plank Hardware: Integral with Mid-Support lip SPLIE PLATE KIT Splice Plate Kit joins continuous Planks in a run over supports Material: Galvanized Steel Product: GRIP-STRUT Walkway Fit: onnects Walkway ends together Hardware: Integral with Splice Plate Kit McNIHOLS carries more lips and Fasteners than shown. Our full stock list is available at mcnichols.com! mcnichols.com 2018

31 McNIHOLS GRATING PROUTS S TA I R T R E A S BAR, FIBERGLASS & PLANK GRATING STAIR TREAS When strength, safety and load bearing capability are required, McNIHOLS Stair Treads are the product of choice. Bar or formed Plank style Stair Treads suit a variety of stairway applications. Treads are available from stock in materials such as Aluminum, arbon Steel, arbon Steel (Powder oated Black), Fiberglass, Galvanized Steel and Stainless Steel. Bar styles are available with several Nosing options (shown below). BAR GRATING - STAIR TREAS GAL Series Treads, Smooth or Serrated Surface, orrugated Angle Nosing GHB Series Treads, Smooth or Serrated Surface, heckered Plate Angle Nosing SAFE-T-GRI T-Bar Treads, Grooved or GRIP TIGHT Surface, orrugated Angle Nosing GIA Series I-Bar Treads, Grooved Surface, orrugated Angle Nosing GW Series Treads, Smooth or Serrated Surface, heckered Plate Angle Nosing GM Series LOSE MESH Treads, Smooth Surface, orrugated Angle Nosing FIBERGLASS GRATING - STAIR TREAS MS-T- Molded Tread over, Grit Surface, Radius Lip MS-T-R-150 Rectangular Molded Tread, Grit Surface, Integral Nosing MS-T-I URAGRI Pultruded I-Bar Tread, Medium Grit Surface, Integral Nosing PLANK GRATING - STAIR TREAS GRIP STRUT Tread, Serrated Surface, No Nosing GRATE-LOK Tread, Slip-Resistant Surface, No Nosing 2018 PERF-O GRIP Tread, Slip-Resistant Surface, No Nosing H Extruded Tread, Grooved Surface, orrugate Angle Nosing mcnichols.com TRATION TREA Tread, Slip-Resistant Surface, No Nosing McNIHOLS Metals Service enters are equipped with a variety of specialized processing equipment so your job can be cut-to-size quickly and accurately! 29

32 McNIHOLS O. GNGNN X GNGNN X GGJGNgGGNN GGJGNgGGNN SOURE OE I 3ULQWHG LQ WKH 86$ 3OHVH VKUH WKLV FWORJ ZLWK IULHQG RU UHF\FOH 3ULQWHG LQ WKH 86$ 3OHVH VKUH WKLV FWORJ ZLWK IULHQG RU UHF\FOH If you would like to receive additional copies of the 2018 McNIHOLS Grating atalog, to update your address or to manage your subscription, we are ready and Inspired to Serve you at Please follow us on social media! Printed in the USA. Please share this catalog with a friend or recycle. VALUE-AE SERVIES PRINT TAKEOFFS UT-TO-SIZE WELING INFILL PANELS STAIR TREAS METAL FINISHES (español) mcnichols.com e I McNIHOLS O. S For more than 65 years, customers have been trusting McNIHOLS with their Hole Product needs. Many customers also look to us for Value-Added Services. Whether you need cutting, notching, welding or a metal finish for your product selections, McNIHOLS has you covered! We look forward to discussing how we can support and serve you! Member Metals Service enter Institute