... grating UV resistant,corrosion resistant,fire retardant 1)Name:fiberglass composite gully grating2)Surface:flat surface,gritted surface,concave surface,covered ... of our Size as below.For more size information,pls contact with us. Mesh(mm)Standard Panel Size(mm)Thickness(mm ... ,industry grating,construction grating and so on. high strength fiberglass composite gully grating