Join Date: Dec 2007
Location: Madison, WI
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Re: Low buck projects- Let's see 'em!
Read it again - 5 coats of epoxy.
That will do the trick. If it wasn't marine ply, it might crack due to voids in the wood. I would have also put a layer of glass in there. But, even if it does leak after 8 or 10 years, just replace it, or repair it (and keep the expensive fittings).