... of long life, strength, durability and beauty.Stone-coated steel roof are durable in hurricanes,blizzards,tornadoes,hail,fire and ... earthquakes. 2.Excellent Durability-Products use high strength steel plate as the basic material, from top to bottom ... ,hail,fire and earthquakes. 2.Excellent Durability-Products use high strength steel plate as the basic material, from top to bottom ...