Spongy or crackling deck - SailNet Community

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Old 12-16-2009
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Spongy or crackling deck

My Lindenberg 26 has some sort of cored deck material. It was sanded and left out in the sun with the surface fiberglass exposed to the sun. The deck crackles when you walk on it. I have put down two coats of neat WEST epoxy over the deck but it still crackles a little. Should I add a layer of fiberglass to the deck and more epoxy, just more epoxy? Is the crackling indicating a larger problem or should I just live with this? The sooner I resolve this issue the sooner I can paint and make the boat one color again topsides. Any ideas would be greatly appreciated.
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Old 12-16-2009
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I think that this may be more than a superficial problem. You will want to check out the core of your deck to see if it is rotting.
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Old 12-16-2009
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It sounds like you may have to recore the deck. Especially if the core was exposed to the elements. Since the top layer of fiberglass has already been removed now is the time to remove the core, replace the core, then cover thenew core with fiberglass. There are many threads/how-to's on doing this.
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Old 12-16-2009
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use a large hole saw (about 2" ) and cut a hole of two in the worst areas to check what is going on with the core .If OK grind a big taper on the edges of both hole and piece cut out and glass back in .if bad seek profesional advice .K
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Old 12-16-2009
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okay i think people mis read what he posted. he said that the gelcoat was sanded off and the glass lay up was exposed. which is not a real big deal, except water can get thru the glass easier that gelcoat.

the crackling is delaminating. it does not mean there is rot but it may. he does need to remove the skin of glass it reattach it to the core, and maybe replace the core while in there. just glassing more over the top is just hiding the problem
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