Marine-grade plywood are the robust and durable plywood, which can withstand the constant absorption in water. This is a special grade plywood that has been approved for constant immersion in water and ensure good utility in the production of docks, boat building, piers etc. Marine-grade plywood can withstand spray as well as moisture of both saltwater and freshwater. It can be widely used for its advanced versatility and affordability. This is a waterproof wood used to make ships and docks. This is a rot-resistant plywood finished with waterproof glue.