Fiberglass Moltruded Grating Material Fiberglass Type Moltruded Grating Bearing Bar Thickness 0.27 in Bearing Bar Spacing 1.5 in Resin Type Corvex Color Light Gray Mesh Pattern Rectangular Maximum Temperature 150 Degrees F Grating Key None Overall Length 6 ft Overall Width 4 ft Top Surface Texture Grit-Top Mesh Size 1 1/2 x 4 in Series [New Rigidex Shape Rectangular Manufacturing Process Moltruded Overall Height 1.5 in System of Measurement Inch