Marine-grade plywood is used where exposure to dampness or weather may impede the performance of regular fir or spruce plywood. Marine-Grade plywood is composed of 100% Douglas fir veneer, bonded with waterproof exterior grade phenolic resin adhesive. Typically, fir marine-grade plywood is of a good 2 side composition, with an “A” grade face and a “B” grade back. The common …
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