We don’t normally take the time to review products that we see on late night infomercials. But, we’ve seen the ads for Flex Seal now for a few years, and you could color us captivated by a product that could supposedly allow us to seal up our leaky jon boat. As it happened, Tim Johnson had a can of it laying around, as well as a small leak repair project. Why not give the ol’ Flex Seal a shot?

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Does Flex Seal Really Work?

Flex Seal is basically a can of liquid rubber that, when applied over cracks and seams, dries to form a watertight, flexible seal. The company makes some pretty bold claims about the integrity of the product, but all we really needed to do was stop up a leaky bowl.

“It’s like the Hoover Dam…in a can!”

-Phil Swift

Well, if a can of Flex Seal has enough sealing power to plug up a river’s worth of water, the tiny tin bowl we needed to repair shouldn’t present much of a challenge, right?

Anyway, a can of Flex Seal ought to run you about $13 bucks from any of the big box stores. If you’d like to see if it really works, watch Tim Johnson wrestle around with it in the video below.

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Flex Seal Product Highlights

• It’s an easy-to-use, portable, aerosol spray
• Sprays out as a liquid and dries as a strong, rubberized coating
• Stays flexible and pliable
• It will last for years
• It will not sag or drip in the summer heat
• It will not crack or peel in the winter cold
• Stops vibrations and deadens noise
• Protects surface from corrosion
• Can be used on wet or dry surfaces
• Once completely dry, it can be painted any color
• Available in twelve colors