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Old 03-02-2010
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I'd suggest also that you will never dry it effectively in place. The moisture has travelled along the plies of the plywood far and wide and probably took ages to move throughout the wood. This is one of several reasons that plywood is such a bad core. It will continue to rot and freeze/thaw cycles in the winter will eventually cause delamination. I suggest complete removal of the wet plywood and a recore with either end grain balsa or a foam core. It is a tough job from below. A neighbor just had 1/2 of his cabintop recored which included removing wet plywood and it took a pro about a month to complete the job (32' Westsail) from below.
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