- New
351CSW-1 is Dicor Cap Sealant in white, designed for sealing around windows, entry doors, compartment doors and exterior joints. Its non-sag formula is UV and water resistant, dries quickly and is easy to apply. It is suitable for compatible metal, wood, rubber, glass, thermoplastic and fiberglass surfaces. This sealant is intended for exterior RV applications where a durable seal around vertical fixtures is required.