... . anti-shock, water proof, fire proof, anti-crack, aging The villa is build of our product FGC Five-proof Light ... 2 Good fireproofing characteristic,nonflammable material A grade, its fire-resistantlimit has reached more than 3 hours. 3 Good ... house all use this kind of building materials, whithout cement, without steel, without brick. MgO Architecture fire-proof building materials(made of straw)