... customer's requestMaterialsPolystyrene foam board(EPS), Color steel sheetStructureUpper and lower layer: Color steel sheetMiddle: polystyrene foam board ... buildings, storages, exhibition halls, gymnasiums etc.Description of Color Coated Steel Coil , Prepainted Galvanized Steel Coil , ... CoilPaint ColorBased on RAL No. or customers' color samplePaintPolyester , and your special requirement to be ...