Flex Paste™ is incredible! 💪 Our super thick rubberized paste starts as a thick paste and dries to a strong, flexible, rubber coating. Its applications are practically endless. You can spread, shape, form, and seal virtually anything! Flex Paste clings to all types of surfaces and instantly fills large gaps, cracks, and holes. When you need to create a watertight barrier that seals out air, water, moisture and won’t shrink or wash away… well, then you need Flex Paste. Don’t wait to start making