... .4mm in thickness, and the longer sizes are available. Stone Coated Roofing Tile (Size: 1170*380mm, 1335*420mm, 0.4mm ... madehigh-quality galvalume steel as the substrates. The surface is coated with 7-layer protective ingredients of AL-Zin, macromolecule resin, ... resistance, ageing resistance,and long service year. 7. Safe: With the unique water proof, wind proof, the nailed installation design ...