... /tile 0.5m square Tiles/m square 2.1 weight 2.6kg 20FT can load 8000-10000pcsStone coated metal roofing advantages:1 ... the advantages of long life, strength, durability and beauty.Stone-coated steel roof are durable in hurricanes,blizzards,tornadoes,hail,fire ... durability.3.Light,Versatility and Economy-weight of Color Stone Coated metal Roof is only 1/6 weight of an ordinary ...