com.realmagnet.MagnetLeads.visitPage(); Gene Wengert, aka The Wood Doctor, troubleshoots wood related problems, and explores lumber and veneer qualities and performance, species by species, in Wood Explorer, inside FDMC's Knowledge Center. If you are looking for alternatives to marine plywood read this article Marine Plywood Alternative. Not sure if it’s relevant to your wood - might only apply to tropical hardwoods - but look for a good sized red ink stamp on the face that has BS 1088 in it. . If the plywood comes in contact with the water then the molds develop on the plywood and get damaged. In addition to veneer core, MDF core, and architectural plywood, J. Gibson McIlvain also carries two types of marine grade plywood. When discussing marine grade plywood, the first thing we need to do is to define the term “marine grade.” Many customers mistakenly believe that their projects require waterproof plywood when they actually don’t. D-grade plywood: D-grade plywood sheets are the most inexpensive. The two species used for marine grade are Douglas-fir and western larch, although I've seen keruing and other species used in a plywood product called marine grade. The first letter is the face veneer grade, and the ⦠'); Marine grade plywood is a specially designed product with highly restrictive limitations on core gaps and face repairs and is hard to come by in some places. Marine-Grade Plywood vs Pressure Treated Plywood. Nine ply marine is bonded together and it may have an oak veneer like the seat board in a bow window. Unlike most woods, it will also resist the bending, warping or delaminating which can often result from too much moisture. 'dimension3': 'undefined', Good plywood should not bend much. The difference is in the glues that are used to bind the plies, or layers of the plywood. Okoume Marine Plywood has been used in the construction of boats for decades due to its weather and water resistant qualities. The only marine grade plywood standard I’m familiar with is the British BS 1088 standard. Exterior plywood carries an X stamp, which identifies it as suitable for use outdoors. Marine grade uses exterior adhesive. }); Marine Plywood offers high resistance to water, fungus and damp. A. ","identifier":"node\/217489","token":"f7c38594f11b8539c91be4eab0f27d53","callbacks":{"onNewComment":["Drupal.disqus.notifyAuthor","Drupal.disqus.notifyAuthor"]}}}); So whenever you go to buy marine grade plywood, check also the bending properties. Due to solid veneer and high density, it weighs more than regular plywood. Front face is Grade II that allows for small, matching color patches in uniform white, one piece face veneer. Marine Plywood is excellent plywood used for boats, boat parts, decks, and many other marine applications. //-->