After the PVA dried I rolled a couple thick coats of gel coat. Then a couple layers of mat with vinyl ester resin. Then a lot of layers of 1708. I think I did 10 layers with overlaps on every corner. All the sides were around 5/8" thick and the corners over an inch. It might have been a little over kill but I figured I'd rather have it a little thick then it be to think and worry about it not being strong enough.
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