Can You Use Flex Seal Spray on Concrete?

Yes, you can use Flex Seal Spray on concrete. Flex Seal seeps into cracks and holes and dries to a watertight, flexible rubberized coating. Flex Seal can also be used on many other surfaces, including wood, metal, tile, masonry, fabric, glass, plastic, aluminum, porcelain, drywall, rubber, cement, and vinyl.  

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