Stop Leaks Fast. Our Super thick rubberized paste clings to practically any surface, instantly filling large gaps, cracks, and holes. Once dry, it becomes a strong, flexible, watertight, rubberized coating that seals out air, moisture, and water.
Help Prevent Expensive Damage. 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 indoor and outdoor repairs. It’s even great for DIY projects, crafts, hobbies, and so much more.
- Stop Leaks Fast
- Clings to a wide variety of surfaces
- UV and mildew resistant
- Perfect for all types of indoor and outdoor projects and repairs
- Requires a caulk gun for use