... used interior and exterior wall, roofing. PVDF aluminium sandwich panel specifications:Thickness: 6mm-200mmThickness of aluminum sheets: 0.5mm- ... to your requirementsWidth: 1,220, 1,250, 1,270, 1,500, (≤1500mm)Length: standard 2,440mm and customized length ≤ 6 ... change..8)Construction convenience: with the aluminum alloy keel, the installation will be convenient, fast, both saving time and labor; ...