... Width: 380mm, 420mm;3. Length: 1170mm, 1340mm,4. Durable: the character of heat - resisting, sorrosion resisting and ageless, warranty more ... than 30 years;5. Safe: the unique waterproof, wind proof, the installation design, together with the advantage of natural stone and steel, we ... hail penetration;6. Light weight: only 1/6 of the weight of normal cement tile or ceramic tile, which makes ...