... roof tile Metal Steel Roof Tile: galvanizedPopular Color: deep red, sea blue, bright blue, grey, etcDetailed Specification: Thickness of steel roof ... need RAL numberUsevarious roofs and walls, used for the large size factory buildings,storages, exhibition halls, ... screw so it can endure the impact of hot expansion.Color Steel roof tile is a non-combustible, corrosion ... . color coated metal steel roof tile