Detailed offer Description Polyurethane Metal Panel.(polyurethane foam core between two metal layers) PMP panels can do as Heat Insulation, Heat Preservation, Energy Saving for buildings. This model is specially designed for industrial and business buildings. All parts of the panel are closely linked together with a high intensity. The inner-wrapped fastener not only reduces the panel’s dependence of auxiliary structure, buy also make the buildings more beautiful. Double water-proof design enables the outer wall panel excellent water proof effect