- Super-thick rubberized paste that clings to the surface
- Instantly fills large gaps, cracks and holes
- Seals out air, water and moisture
- Clings to a wide variety of surfaces
- UV and mildew resistant
- For all types of indoor and outdoor projects and repairs
Pay over time for orders over $300 with Affirm.
Flex Seal Flex Paste 3lb Tub (Black)
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. This super thick formula will not wash away, and will even cure underwater.
For Both Indoor and Outdoor Projects
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.
Used with Wide Variety of Surfaces
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.