... red, sea blue, bright blue, grey waterproof steel roof tile Metal Steel Roof Tile: galvanizedPopular Color: deep red, sea blue, ... 's requestMaterialspolystyrene foam board & RW foam, PU foam,XPS, Color steel tileStructureUpper and lower layer: uses color steel ... efficiency compound building material.2. Light in weight, heat insulation, waterproof, anticorrosion,fire resistant.3.handsome appearance and ...