Dicor 551LST RV Exterior Side Wall Sealant / Caulking – TanDicor RV Flexible Sealant is a premium-quality caulking solution engineered for the recreational vehicle (RV) industry. Offering excellent adhesion to a wide range of materials such as EPDM, TPO and PVC membranes, it adheres firmly to aluminum, mortar, wood, vinyl, galvanized metal, fiberglass and concrete. It creates a secure, secondary seal along the roofs edges and along termination rails, to create a watertight barrier that withstands the demanding conditions of RV travel.Durability and Versatility CombinedIts crack-resistant formulation provides exceptional flexibility, enabling it to cope with the expansion and contraction associated with fluctuating temperatures and joint movement in RVs. The sealant also offers excellent UV resistance and is resealable, allowing it to be applied over itself when necessary. Additionally, it is paintable and resists dirt pick-up, ensuring a clean and po