Dicor 501LSB is a black self-leveling lap sealant. The most popular RV roof sealant. Use to seal all horizontal joints around vents, pipes, antennas, moldings, skylights and more. Remains flexible. Will not stain or discolor any roofing material to which it is applied.
Bonds to EPDM, TPO, PVC, aluminum, mortar, wood, vinyl, galvanized metal, fiberglass and concrete. Must prepare surface and allow to dry, before applying sealant. Do not use on vertical surfaces. See recommended installation methods on product for further details.