Fiberglass Bar Stair Tread Material Fiberglass Product Type Stair Treads Top Surface Texture Meniscus with Grit Nosing Resin Type Corvex Nosing Surface Gritted Tread Depth 12 in Tread Width 4 ft Bearing Bar Thickness 0.25 in Bearing Bar Height 1.5 in Bearing Bar Spacing 1.5 in Color Yellow Standards Not Applicable Maximum Temperature 140 Degrees F Type Molded Mesh Pattern Rectangular Mesh Size 1 1/2 x 6 in Shape Bar Stair Tread System of Measurement Inch