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FLEX SEAL 17 oz Max Liquid Rubber Sealant, Black

Flex Seal

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The amazing product that started it all.Sprays out as a thick liquid, seeps into cracks and holes and dries to a watertight, flexible, rubberized coating that will Stop Leaks Fast®. Once dry, can be painted any color.


Flex Seal Colors

The same, legendary, leak-stopping power of Flex Seal in 8 additional vibrant colors! Choose from Almond, Blue, Brite, Brown, Grey, Green, Red, and Terracotta. Available in 14oz cans.


Use Flex Seal and Flex Seal Colors for:

  • Roof and gutter repair
  • Weatherize your home
  • Foundation and concrete waterproofing
  • Indoor and outdoor projects
  • Seal cracks and holes
  • Pools and pool equipment
  • RV and motorhome repairs
  • Auto and boat repairs
  • Bathroom fixes
  • Furniture repair and much more


Works on: Wood, metal, tile, concrete, masonry, fabric, glass, plastic, aluminum, porcelain, dry wall, cement, and more.




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FLEX SEAL Liquid Spray that Dries to a Rubberized Coating.
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