Sealflex Elastomeric Roof Coating is a water-based emulsion used to waterproof asphalt shingle, wood, concrete, metal and recreational vehicles roofs. This products offers a durable, UV resistant, cracking, peeling, chalking, mildew and fade resistant finish. It contains an anti-corrosion agent that prevents and reduces the rust formation of old metal substrates. It extends the life of a roof covering that has not lost its integrity. This product is available in 8 colors: green, grey, brown, concrete grey, black, white, brick red and beige.