Introducing the newest addition to the Flex Seal Family of Products. Flex Paste™ is a super thick rubberized paste that clings to the surface and instantly fills large gaps, cracks and holes. Once dry, Flex Paste turns into a strong, flexible, watertight, rubberized coating that seals out air, water and moisture. Our super thick formula will not wash away, and will even cure underwater. Flex Paste is UV and mildew-resistant, and is perfect for all types of indoor and outdoor projects and repairs. Use Flex Paste to help prevent expensive damage from leaks. Flex Paste is easy-to-use, making it a great option for crafts, hobbies, gardening and all types of projects. Flex Paste clings to a wide variety of surfaces and will work on wood, glass, tile, concrete, aluminum, metal, brick, stucco, masonry, copper, fabric, fiberglass, ceramic, porcelain, natural stones, roofing, PVC, EIFS, EPDM, CSPE, Hypalon polyurethanes and so much more.