Join Date: Jun 2011
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Re: Underwater or Water Present Hull Repair
Marine Tex is the putty of choice for underwater repairs, but I think you have a lot to consider here.
If this is a plywood boat sheathed in glass, you have water working its way into the ply. If you have a glass boat with a core you have water working its way into the core and if straight glass, water could be impregnating that.
So your most immediate job is to get your boat out of the water and dry out any water that has gotten into the laminate. Once it's dry or you've replaced the wet stuff, you can begin to think about how you'll patch the hole.
Any patch over wet laminate will continue to cause you problems long after the repair, possibly including the patch itself to fail.
If it was me, I'd fill the hull with barrels or airbags, cover the hole asap (even with duct tape) and get the boat out of the water ASAP.
"Any idiot can make a boat go; it takes a sailor to stop one." Spike Africa aboard the schooner Wanderer in Sausalito, Ca. 1964.
“Believe me, my young friend, there is nothing - absolutely nothing - half so much worth doing as simply messing about in boats.” ― Kenneth Grahame, The Wind in the Willows
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