http://www.greenconvergence.com/roofing/roofing-products/wet-suit-roofing | WetSuit is designed to strengthen your existing roof by eliminating its weaknesses. Typical structure flaws such as cracks, buckling and flashing failure are irrelevant under the WetSuit System. Once applied, it immediately improves water resistance and wind uplift. WetSuit also boasts a Class A fire safety rating and will protect your roof from severe hail damage.