Flex Paste is an excellent waterproof sealant. It can be used on windows, doors, vents, and thresholds. It’s easy-to-use and perfect for all types of indorr and outdoor repairs. It’s even greawt for DIY projects. Crafts, hobbies, and so much more.
- Super thick rubberized paste that clings to the surface
- Won’t run or drip
- Fills large gaps and holes
- Can be applied on dry or wet surfaces & even underwater