McNICHOLS® Fiberglass Grating

Pultruded, MS-I-6015 - DURAGRID®, Fiberglass, SPF Polyester Resin, Gray, 1.500" Height x 0.600" Top Flange Width I-Bar, Medium Grit Surface, 60% Open Area
McNICHOLS® Fiberglass Grating, Pultruded, MS-I-6015 - DURAGRID®, Fiberglass, SPF Polyester Resin, Gray, 1.500" Height x 0.600" Top Flange Width I-Bar Bearing Bars, Spaced 1.500" on Center with 0.900" Clear Space Between Bearing Bar Top Flanges, Medium Grit Surface, Bearing Bars Run Parallel to Length of Panel, Gray Cross Bars Spaced 6" on Center, 60% Open Area

ITEM F1I6015G42 - 48" x 240"

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Item Number F1I6015G42
Product Line Fiberglass Grating
Construction Type Pultruded
Series Type & Name MS-I-6015 - DURAGRID®
Primary Material Fiberglass (FG)
Resin & Type SPF Polyester Resin (SPF)
Bearing Bar Color Gray
Bearing Bar Height 1.500"
Bearing Bar Top Flange Width 0.600"
Bearing Bar Shape I-Bar
Bearing Bar Spacing 1.500" on Center
Clear Space Between Bearing Bar Top Flanges 0.900"
Clear Space Between Bearing Bar Bottom Flanges 0.900"
Product Surface Medium Grit
Bearing Bar Direction (Span) Parallel to Length of Panel
Cross Bar Color Gray
Cross Bar Spacing 6" on Center
Percent Open Area 60%
UV Protection UV Resistant
Fire Retardant Rated Yes
Flame Spread Rating Class A - Per ASTM E-84
Weight 3.0 Lbs./Square Foot
Product Form Panel
Drawings CAD Drawing - PDF
Sizes (Width x Length) 48" x 240"
Load Table View


Fiberglass Grating is a lightweight and sound alternative to Steel or Aluminum gratings. Corrosion-resistant and fire-retardant, the product line is ideal for use outdoors or in corrosive environments. McNICHOLS carries Molded and Pultruded construction types in a variety of sizes, resins, and colors. Most Fiberglass Grating has a slip-resistant, gritted surface to help prevent slips and falls.


The following selections are important considerations to help you choose the right McNICHOLS® Fiberglass Grating product for your project or application. Please specify:



Consider Fiberglass Grating uses and physical requirements such as exposure to chemicals and/or extreme temperatures. Determine fire retardant needs as well as loading, span and support requirements. Several Fiberglass Grating products comply with the Americans with Disabilities Act (ADA) when installed to written standards. We invite you to browse Fiberglass Grating applications in our Gallery.


Construction Type

Choose from a variety of Molded (Square or Rectangular) or Pultruded (I-Bar, T-Bar or Wide T-Bar) construction types.


Series Type & Name

Determine the series type and name (MS-S-150, MS-I-6010 - DURAGRID®, etc.) of the Fiberglass Grating product for your project. Items that comply with the Americans with Disabilities Act (ADA) standard will have this language indicated in the item description of the applicable product.


Resin & Type

Choose the resin and type for your application (e.g. SPF Polyester, SVF Vinyl Ester, SGF Polyester, SFF Polyester, SPH Phenolic). We provide more information on resins, types and descriptions in the link provided in the Charts section on the Fiberglass Grating Resources landing page.



Choose the Fiberglass Grating color (e.g. Yellow, Green, etc.) that is right for your project. Fiberglass Grating is supplied in many colors to meet your design needs.


Grid Height, Size & Shape

If your selection is Molded Grating, choose the grid height and surface grid pattern (both measured in inches) and grid shape (Square or Rectangular).


Bearing Bar Size & Shape

If your selection is a Pultruded construction type, choose the bearing bar height and top flange width (measured in inches) and bearing bar shape (I-Bar, T-Bar, Wide T-Bar) of the Fiberglass Grating product.


Bearing Bar Spacing

Choose the Pultruded Fiberglass Grating spacing (center to center of bearing bars, between bearing bar top flanges, and between bearing bar bottom flanges) desired for your project.


Product Surface

Determine if your application requires a concave (Molded construction only) or grit surface. We supply several types of grit surfaces for Pultruded products, including fine, medium and coarse grit.


Percent Open Area

Choose the percentage of open area desired in the panel or pieces of Fiberglass Grating.



Choose the direction the Pultruded bearing bars need to run to support the application load. Bearing bar direction is often referred to as span. Clear span refers to the distance in-between Grating supports. Direction of Molded grid (Rectangular pattern only) and Pultruded bearing bars is an important installation consideration.


Product Size, Form & Quantity

Identify the number of panels (width and length) and/or sizes (cut-to-size pieces, areas, Stair Treads) and cut types (random, uniform, equal stub). Areas exceeding standard panel widths are provided in multiple pieces to width.


Special Requirements

Specify any requirements like fabrication, notching, cut-outs, Stair Treads, non-standard tolerances, etc.



Determine if Fiberglass Grating Accessories like Clips or Fasteners/Hardware, etc. are needed for your project or application.