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Message: <blockquote data-quote="airshot" data-source="post: 522038" data-attributes="member: 1183"><p>I use a product called leak stopper on my small boat. It is a clear outdoor sealant used on roofs and trim including aluminum.  Flexible and UV resistant. Avaiable at home depot and tractor supply as well as Amazon.  Been on my jon boat for almost 10 years and not one leak.  Had some cracks in the hull and used the leak stopper to fill the open cracks, still no leaks, no lifting, no peeling.  Good stuff...</p></blockquote><p></p>