... Roofing SheetThe advantage of the corrugated steel roof sheet1,light weight,Steel Coils2,high strength3,water-proof and fire-proof4, ... structures,warehouse,steel structure house.Corrugated Steel Roofing Sheet,light weight,abundant colors,easy installation,water proof,long lift-span, ... Width:76mm7,Height of Wave:17mm – 17.5mm8,Raw material:Aluminum coil,Hot dipped galvanized steel coil,pre-painted ...