... , highway sound barrier, marketplace coping, agricultural greenhouse, plant roofing and so on, it is the most desirable sunshine roof ... booth, bus-stop, carport roofing, Stadiums roofing,swimming pool, bill board, light box etc. Technical data sheet of Polycarbonate SheetNO.ItemUnitData1Specific Gravity ... Rating GB8624-1997 B113UV protection layer μm50 4mm polycarbonate sheet for playground roofing