A STONE-COATED STEEL roof combines the strength of galvalume steel with the durability of natural stone. Available in 3 styles and a wide range of colors, stone-coated steel roofs are beautiful, affordable, and suitable for any climate. A stone-coated steel roof offers so much protection from wind, fire, and hail, that it often qualifies for a homeowner’s insurance discount. This incredible roof material is guaranteed not to crack, split, curl, warp or absorb water. It’s virtually indestructible!