Introducing the new addition to the Flex Seal family of products. Flex Paste is an ultra-thick rubberized paste that adheres to surfaces and fills large gaps, cracks and holes instantly. Once dry, Flex Paste becomes a strong, flexible, waterproof rubber coating that seals out air, water, and moisture. Our extra-thick formula wont wash off and cures in water. Flex paste is UV and mildew resistant making it ideal for all types of indoor and outdoor projects and repairs. Use flex paste to prevent damage from expensive leaks Flex Paste is easy to use, perfect for crafts, hobbies, gardening and all types of projects. Flex paste sticks to a variety of surfaces Can be used on wood, glass, tile, concrete, aluminum, metal, brick, stucco, stone, copper, fabric, fiberglass, ceramic, porcelain, natural stone, roof, PVC, EIFS, EPDM, CSPE, Hypalon polyurethane and so on.