Fiberglass Molded Grating Material Fiberglass Product Type Molded Grating Bearing Bar Thickness 0.25 in Bearing Bar Spacing 1.5 in Resin Type Corvex Color Dark Gray Mesh Pattern Square Maximum Temperature 140 Degrees F Grating Key None Overall Length 5 ft Overall Width 36 in Top Surface Texture Grit-Top Mesh Size 1 1/2 x 1 1/2 in Shape Square Manufacturing Process Molded Overall Height 1 in System of Measurement Inch