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Marine Grade Plywood

Marine plywood is a premium grade panel. Per the American Plywood Association (APA) grading standards, Marine grade plywood consists entirely of Douglas-fir or Eastern Larch. To comply with this standard, all internal plies of veneer must be B-grade or better. In descending order Fir plywood grades are A,B,C,D. B-grade veneer may have knots but no knotholes while A-grade veneer can have neither knots or knotholes. Both A and B grades allow wood or synthetic patches. Up to 18 wooden patches are allowed per side (usually in the shape of a football). This is to repair the knots and knot holes which are prevalent in both Douglas-fir and Eastern Larch. The maximum core-gap on the interior veneers is an 1/8 of an inch. Its bond classification is Exterior and the glue is a moisture resistant structural adhesive.  Due to these standards, boat builders like this product.

Marine-grade fir plywood is an excellent choice for applications where moisture resistance and durability are critical. It is commonly used in boat building, as well as for constructing decks, docks, and other marine structures that require a reliable and long-lasting material capable of withstanding the challenges of exposure to water and the marine environment.

Toledo Plywood stocks this product in 1/4”, 3/8”, 1/2”, 5/8” and 3/4” 4′ x 8′ sheets. Because you might need a smaller piece, Toledo Plywood has cut sizes of 2′ x 8′, 4′ x 4′ & 2′ x 4′.

Marine plywood contains no chemical treatment to increase its resistance to decay. If finished on all six sides sides and maintained with a good quality exterior sealant to prevent moisture from entering the board, this product will give you years of excellent service.

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