DIY and building shows on television seem to call any plywood "marine plywood." There is not much difference between exterior plywood and marine plywood other then the binder used in marine plywood is formulated for water submersion. com.realmagnet.MagnetLeads.init('OrfhmQgk6sGIKGvE9vw'); So, marine grade will have good adhesion throughout the lamination. There are other types of WBP plywood available but these are the most common. Standard exterior plywood is bonded using an exterior phenol glue. The level of moisture resistance in this particular Plywood is unlike any other of its kind, minimising the risk of expansion and rotting. Firstly, to be classified as a Marine Plywood, the product needs to meet strict standards. But if the plywood seldom gets wet, the interior adhesive will be just fine. . //--> Better grades also tend to be lightweight, strong, and virtually free of defects. Building codes recognize both plywood and OSB to be alike in their properties and use the phrase \"wood structural panel\" to describe them.However, plywood subfloors are stiffer than OSB by about 10%. Voids are traps for water and will rot the product from the inside out. With marine grade, the lowest grade veneer that can be used is "B," which means that there will be no serious voids on the surface and in the interior plies. WBP plywood may still contain these, although WBP rated marine grade plywood will not. There are other types of WBP plywood available but these are the most common. This gives the marine plywood the ability to perform better in humid and wet conditions. Therefore, a plywood should consist of at least 5 layers. 'dimension5': 'genewengert', Marine plywood is constructed in the same manner as any other type of plywood you find on the market. Marine Plywood is made with glues that are WBP which stands for weather and boil proof. While the A-bond glue used in Exterior Plywood makes it similar to a Marine Plywood, there is so much more going on under the hood that the comparisons actually start to look a little bit silly. and external (impervious to long-time period wetting, known as water-proof). He is extension specialist emeritus at the University of Wisconsin-Madison. marine plywood we manufacture the best plywood with heart,for you and forever. Structural plywood can be both A and B-Bond type. This glue has been subjected to boiling water for more than an hour without delamination of the plies. WBP only describes its characteristics. The core of WBP plywood can be marine grade or just ordinary grade. Copyright @ Chanta Group. If you don't get the wood wet very often and if it's sealed, as you state, there's no difference in performance indeed by using a different, less expensive grade and species with an exterior rating. This is a relatively inexpensive product and can be softwood plywood, tropical hardwood plywood and birch plywood. is wbp plywood same as marine plywood ？choose marine or wbp plywood ? Marine grade uses exterior adhesive. WBP plywood may still contain these, … Have something to say? It has a Type A (wbp) phenolic bond glue and is manufactured from woods based on density, bending strength, impact resistance and surface finishing characteristics. DIY and building shows on television seem to call any plywood "marine plywood." It is intended for use in most applications where a good resistance to wood-destroying organisms is of the highest importance. The type of glue and curing method are critical components as well. This is a relatively inexpensive product and can be softwood plywood, tropical hardwood plywood and birch plywood. This comes as a surprise to many consumers because OSB looks simply as if lots of pieces of wood were glued together. DO YOU HAVE ANY QUESTION ABOUT OUR PRODUCTS? It's the voids and the severe crossgrain around the knot holes that cause poor adhesion in some areas of CD-X. //--> Known as PVA glue! It's a very common mistake to describe exterior plywood as "marine plywood.". 'dimension1': 'What is the difference between marine plywood and regular plywood? To be considered exterior grade or marine grade, plywood must be made with WBP glue. Incidentally, this is the same adhesive as used in the inexpensive construction CD-X plywood or any other exterior grade or "interior grade with exterior glue" plywood. WBP glues are made with melamine or phenolic resin. 'dimension7': '217489', There are other types of WBP plywood available but these are the most common. Above this is "Lloyds Approved". 2. Marine plywood are all WBP plywood. 'dimension9': '217489' That is, it's not waterproof. Treating the film faced plywood's edges with waterproof paint makes it highly water-and wear-resistant.