This self-leveling roof sealant has been our go-to roof sealant since 2012 and has never failed us with proper maintenance. The Dicor brand of products is trusted in the industry and by top installers for standing up to the test of time while providing excellent waterproofing characteristics on EPDM, Fiberglass and various roof materials popular in the RV industry. If you are installing a roof antenna, solar panels or other equipment that requires a roof penetration and you are sealing on a horazontal (flat) roof surface, then this product is suitable. It offers excellent adhesion to aluminum, mortar, wood, vinyl, galvanized metal, and concrete. Continuously seals and remains flexible. Color-matched, our lap sealants are UV stabilized to prevent discoloration and deterioration and will not stain or discolor any material to which it is applied.