Join Date: Nov 2005
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Well I don't know much about the differences in the glue used, but I redid my entire interior on my 22 Southcoast last summer and just used regular old 3/4" plywood, so I'm sure no one here would recammend that in the least. But before any of the wood went into my boat, I absolutely saturated it in WEST sysem epoxy, then glassed them in. So far through the Keys, the Chesapeake Bay, and now Buzzards Bay, MA they have stood up wonderfully, and have survived all the leaks my cheap little boat has. But...mine is a trailer sailor so it gets to dry out...though when it rains it still leaks a bit w/ no adverse effects.
I guess it depends on your intended use, ext ext. For me it rested on budget and I wasn't willing to spend the money for marine plywood.
Hope that helps a bit.