1.high impact strengh 2.weather resistance and uv protection 3..sound insulation 4 ... , 8mm, 10mm(twin-wall),12mm,14mm,16mm(triple-wall)2) Standard width : 2,100mm 3) Standard length :5800mm & 11800mm 4) Color: ... /sqm,10mm-1.7kg/sqm,12mm-2.1kg/sqm,14mm-2.4kg/sqm,16mm-2.7kg/sqm2)High impact resistance:850J/ ... replacement, Domes, Shelters, Canopies, Sheds, Walkways, Carports, Sunrooms clear pc hollow sheet