Marine Plywood
Marine plywood is a type of hardwood plywood. Hardwood plywood is made with thin layers of 100-percent hardwood, which is generally stronger, harder, and has a finer grain than softwood.in layers of hardwood vener—known as plies—are used to make marine-grade plywood. Arranging the sheets in perpendicular layers strengthens the plywood. Cross-lamination gives marine plywood even more strength. The plies may have knots but no knotholes. he waterproof glue in marie plywood will not fail, and the wood layers will not delaminate or fall apart if the plywood is exposed to moisture, very high humidity, or boilin