Decra Roof Decra roof is a stone-coated steel roofing system which is attractive, lightweight and long-lasting. Not only that, but decra roofing is also more environmentally-friendly than other roofing options, thanks to the way that it is made, making it an excellent choice for eco-extensions and new builds. Steel roofs are virtually maintenance free! They create a thick shield around your home, keeping it safe from poor weather conditions and eliminate most of the repair costs associated with traditional roofing. Stone-coated steel roofing is on the high end of the cost range for roofing materials but has a rather long life of 50 to 60 years. Stone coated steel roofing has a Class A fire rating designed to withstand 120 mph winds. Steel is naturally resistant to impact, and many brands are rated to withstand hail up to 2.5 inches in diameter. The extra bonus is all stone coated steel roofing is 100% recyclable, when you remove them. They are a great choice with many styles and colors to choose from.