... -10 days Using Al-Zn Coating as the base plate, and the colorful stone chip as the surface. It's a high tech and ... .4. Light-weighted, environment friendly, and economicical5. Sturdy and durable: The base of colorful stone-coated metal roofing is galvalume, more durable, heat ... green, charcoal black, weathered timbr, grey, sapphire, etc. (5). The thickness of the tile is 0.4 mm or other types, it is ...