Thickness of sandwitch:40-300mm Width:wall board:1200,1150,1000,950mm roofing board:950m Specificationswe mainly supply GI,GL,PPGI ... ,PPGL,CORRAGATED STEEL SHEET,COMPOSITE BOARD,LIP CHANNEL,ETCweight: 10-14kg/m2, equal to 1 ... Length:according to customers' requirements Width:wall board:1200,1150,1000,950mm roofing board:950mm Heat insulation and preservation.Thermal conductivity ...