Liquid Rubber Sealant Coating The only clear liquid rubber spray on the market! Flex Seal is an easy to use rubberized coating that sprays out as a liquid, seeps into cracks and holes and dries to a watertight, flexible coating. Instantly fix cracks, seal leaks, or waterproof an item with this spray on sealant. Flex Seal's unique technology is also temperature controlled and will keep your items hot or cold, however you like them. Flex Seal seals out water, air and moisture and helps prevent rust and corrosion. Once dry, Flex Seal can be painted over. Flex Seal is the easy way to coat, seal, protect and stop leaks fast!
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