What others have said about strength. Like uncle boo. Mine was stapled from the factory and absolute mush except for the final bit. The grain was bonded to fiberglass.
I used PL Premium waterproof polyurethane adhesive between my 2 plies Of thermolite (coosa from Australia).
My transom disintegrated b/c the PO put 1 layer of 6oz cloth and then drilled holes in it.
I would add another layer or 2 over that 1 external layer. I put 3 layers on mine. And tried to put wet on wet and did my seems from bottom up trying to avoid a place water could sit. Not sure I’d do that again after the fairing and gelcoat I put down though.
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