Item #870388

Inland Marine Inflatable Boat Sealant - IBSK

42 Reviews
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Image of : Inland Marine Inflatable Boat Sealant - IBSK Inland Marine Inflatable Boat Sealant - IBSK Item # 870388


Inland Marine Inflatable Boat Sealant


  • For internal use. Sealant bonds to interior fabric of inflatable to stop hard-to-find slow, pinhole leaks and prevent future leaks from developing
  • In one easy step, leaks are cured from the inside
  • Easy-to-use – simply inject sealant into valve and turn boat end-over-end until inside is completely coated
  • (1) Quart seals a 12' inflatable boat
  • Allows boat to be deflated for storage without interior fabric sticking to itself
  • Sealant provides a strong bond that should last for years when applied according to instructions


  • Size: 32 oz.

Part Numbers for Inland Marine Inflatable Boat Sealant - IBSK


Rated 3 out of 5 by from Good for slow leaks I purchased a couple bottles of this to try and seal leaks in two of the three air chambers on my Hobbie inflatable kayak. Both leaks went into the bilge space, so we could not patch them without tearing the boat open. The side air chamber sealed with a bit of flipping and pumping, but sadly the floor leak was too large for the sealant of work. I don't really blame the sealant, and it was worht $100 to try and salvage the boat, but in the end it failed. I have a lot of experience with bike tire sealant, whcih works largely the same way, but it too has it's limits.
Date published: 2023-07-03
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