Colorful roof tile 1. Min. 25-year service life; 2. Al-zn alloy steel coated with natural stone; 3. ISO 9001:2008,SGS,CTN. SummaryGood Roofing colorful stone coated metal roof tile, one of a series of Good Roofing tiles, is an ideal substitute for its conventional counterparts. Being not only artistic, durable, easy to install, but also eco-friendly, it has been intensively applied to residential ...