Specifications: ★Length: Customized ★Effective width Roof panel: 960mm wall panel:950mm ★Materials: Color steel sheet and Polystyrene foam board(EPS) ★Structure: Upper and lower layer: Color steel sheet Middle: foam board ★Thickness: Color steel sheet: 0.3-0.8mm Polystyrene board: 50mm 75mm 100mm ★Polystyrene density: 10-24kg/m3 ★Conventional color: Red, white, blue, silver. ★Lifetime: 15~25 years ★Characteristic: Low cost ,Low weight, heat insulation, retardant, soundproof, water resistant, environmental ,easy to install ★Application: Various roofs referring to the large size factory buildings, storages, exhibition halls, gymnasiums etc.