APOC 212 Premium Fibered Aluminum Roof Coating is a 3 pound professional grade, UL Rated, aluminum reflective coating. It is formulated to provide the brightest and longest lasting finish. APOC 212 is the highest quality aluminum coating on the market. The high content of aluminum in this product enables it to form a brilliant silver shield to reflect the sun's destructive rays. Cooling costs can be significantly reduced while the underlying roofing materials are protected and preserved. APOC 212 serves as a great rust inhibitor and will aid in the prevention of corrosion for metal surfaces. APOC 212 also contains interlocking fibers which increase the life and durability of the coating.