Fiberglass Pultruded Grating Material Fiberglass Product Type Pedestrian Pultruded Grating Bearing Bar Thickness 1.5 in Bearing Bar Spacing 2 in Resin Type ISOFR Color Dark Gray Mesh Pattern None Maximum Temperature 150 Degrees F Grating Key T2515 Overall Length 5 ft Overall Width 4 ft Top Surface Texture Grit-Top Mesh Size None Series Safe-T-Span Manufacturing Process Pultruded Overall Height 1.5 in System of Measurement Inch