Fiberglass FRP Grating Material Fiberglass Product Type High Load Capacity Grating Bearing Bar Thickness 0.48 in Bearing Bar Spacing 1 in Resin Type Vi-Corr Color Dark Gray Mesh Pattern Rectangular Maximum Temperature 180 Degrees F Overall Length 8 ft Overall Width 4 ft Top Surface Texture Grit-Top Mesh Size 1 x 2 in Shape Rectangular Manufacturing Process Molded Overall Height 2 in System of Measurement Inch