3/4 in. x 4 ft. x 8 ft. AB Marine Grade Pressure-Treated Fir Plywood 154459 - The Home Depot
Plywood Thickness Chart and Sizes [All Types] - MellowPine
3/4 x 4 x 8 Marine Plywood ABX Fir - Marine-Grade Plywood - Chamberlain Timber Mart Ontario
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Wholesale Price 3/4 Inch 10-12 Use Times 4 X 8 Commercial Waterproof Formwork Concrete Poplar Core Black Film Faced Construction Marine Plywood - China Marine Plywood, Plywood | Made-in-China.com