Sandwich panel for roof 1.Fireproof 2.Heat Insulating 3.Density:36-45kg/cbm 4ISO9001:2000 ISO14001 Surface Texture and AppearanceSmall wave, Flat, Embossment, Big ribThickness of steel plate0.4-0.8mmHeat Insulating MaterialPU(Polyurethane)Unit Weight of Core Material36-45KG/m3Thickness of Core Material40mm, 50mm, 75mm, 100mm, 150mmEffect Width930mm, 1000mmColorWhitegrey, Sliver, Sea Blue, Red, ...