High-performance formula for at least 5 years of protection. Protects roofing from the effects of frost, rain and UV rays. Extends the life of shingles. Does not contain solvent or bitumen. Ideal for high-windy areas. Category 2 hurricane-resistant. Locks granules in place. Harmonizes colour following repairs. Allows for a change of roof colour. Environmentally friendly. Can also be used on metal roofing. Grey. 15L.