Join Date: Oct 2004
Location: Narragansett Bay
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Bevel cutting an access panel will prevent the piece from falling into the bilges, but would not be advisable for two reasons.
The panel's top surface will be slightly recessed below the level of surrounding T&H - relative to the saw kerf thickness. Also it's best to avoid any tapered edges on plywood, since the top ply will become vulnerable to delamination from foot traffic.
Instead, a continuous perimeter panel stop should be screwed to the fixed sole's underside, assuring a level top surface. I use a Bosch finish circular saw, fitted with a Freud, fine tooth carbine blade for this type of cutting.
It takes a little practice for making perfect plunge-cuts in expensive plywood - especially when aligning the cut with adjoining radiused corner cuts, made with a jigsaw.
True Blue . . .
sold the Nauticat