Gardner® Aluma-Seal™ is a premium, fiber reinforced, aluminum roof coating. This is our highest quality, aluminum coating formulated to provide the brightest and longest lasting finish. This product dries to a “silver shield of protection” and reflects the sun's destructive UR rays. This tough durable seal offers great waterproofing protection while protecting and preserving the underlying roofing materials. Built-in rust inhibitors aid in the prevention of corrosion for metal surfaces. Aluma-Seal™ renews the look of worn roofs while offering superior protection from the elements.