... , Walkways, Trench Covers, Assembly Lines, Stairs, Gully Covers, Jetties, floo high quality yellow composite frp grating with cancave surfaceACME Fiberglass Reinforced Plastic ... Covers, Assembly Lines, Stairs, Gully Covers, Jetties, flooring, etc. SQUARE MESH PRODUCTTYPETHICKNESSmm(in)MESHmm(in)SIZES(mm)905x30501220x24401220x36601525x30501525x36601000x20001000x30001000x40003'x10'4'x8 ...