Steel structure prefab house with EPS Cement sandwich panel Introduction of Steel structure with sandwich panels (1) Internal wall : 100mm/120mm EPS cement sandwich wall panel (2) External wall : 120mm/150mm EPS cement sandwich wall panel (3) Roof : EPS sandwich panel, steel structure Product Name Prefab Environmental Friendly Light Steel Frame House Product Model ECG-PB Structure light steel structure,C steel,U steel,Galvanized steel with high strength , Expansion bolt for light steel villa design , Galvanized bolts Roof Asphalt tiles , Waterproof roll , EPS Cement Sandwich Pnael Stairway Light steel construction , wall panel for prefab villa Wall EPS Cement Sandwich wall Panel Floor EPS Cement Sandwich Panel, Fiber cement board , Wooden floor Door Steel security door, MDF Door, PVC door/aluminum door Window Aluminum / PVC sliding window with single glass Exterior Wall Decoration Color Coated Embossed Decoration Plate(PU Insulation) Water &  Sewer Hot water pipe , Cold water pipe