... grating UV resistant,corrosion resistant,fire retardant 1)Name:fiberglass composite gully grating2)Surface:flat surface,gritted surface,concave surface,covered ... maintain.6)Usage:walkway grating,floor grating,drainage cover grating,decking grating,wall grating,car wash station grating,tree grating,livestock ... grating,construction grating and so on. high strength fiberglass composite gully grating