This plywood is distributed through Huttig Corporation and is the same plywood used on all 2014 Bennington and South Bay pontoon boats. One of the things marine plywood has in common with other types is that you will always need to sand it down in order to stain, paint, or seal it. The main benefit of using waterproof glue in marine plywood is that if the plywood is exposed to moisture, or even very high humidity or boiling temperatures, the glue won't fail, and therefore the wood layers of the plywood won't delaminate, or fall apart. The information that follows will show you how to properly go about this project so you can get plenty of use out of this material for many years to come. Marine … This is an important design characteristic if you're building a boat hull with … By sealing this material, however, you can increase its overall lifespan. to this site, and use it for non-commercial use subject to our terms of use. If you have purchased plywood with six layers, for example, apply six layers of epoxy to seal it. We also offer Marine-Grade Plywood in many different sizes. Haven’t you found the right marine grade sealant for your boat yet? It’s important to let the acetone dry. Marine plywood is a particular variety of plywood that’s been treated to withstand moisture.As the name implies, it’s often used on boats and other items that are in frequent contact with water. Whether it’s for marine use or exterior use, marine plywood still needs to be painted in order to be fully durable, and painting it … You want to sand in a … It should take between one and two hours for the sealer coat to dry. what ply have you used as wbp or far eastern shouldnt have any gaps unless its cheap rubbish Not exactly sure. Plywood is a durable material for projects, but it is necessary to seal plywood to protect it against water damage and rotting, and to ensure a long-lasting finish. All rights reserved. ... once the sealer is applied to the plywood and dried, you will want to wipe the wood down with a damp cloth and sand it lightly with a 100 to 200 grit sandpaper. Always select suitable plywood for your exterior project and then seal it step by step. If, for example, your plywood has 6 layers of wood, ensure that you add 6 layers of … Between each coat, you add, gently sand to … We are able to furnish direct trailer load shipments or can pull orders to the piece for special projects. This type is a thicker material than regular plywood, comprised of about seven to 10 layers as opposed to three to five, with glue locking them all together. The answer to this question is yes, Marine-Grade Plywood should be treated. Above mentioned methods and tips are also valuable for … CCA treated plywood does not need to be coated or treated before installation and has 7 plys that have been pressed and glued together then kiln dried, it will not warp or rot. A good rule of thumb for sealing marine plywood is to apply as many layers of sealer as there are layers in the plywood. Roll the paint onto a 2 … problems contact webmaster@doityourself.com. Charles is a highly experienced equipment operator of Bobcats, backhoes, D-9 front end loader, hydraulic cranes, GRT piledriver, concrete saws, regular and extended reach forklifts, and he has operated a working barge on Tampa Bay and the Intercoastal Waterway as a Marine Construction sub-contractor building custom docks. It's a fact that plywood will rot regardless of what kind it is, but if marine plywood is not properly sealed with the right number of coats (especially if being used as a hull) it will deteriorate unexpectedly and cause serious problems for you. Wipe down the surface with a damp cloth rag. How To Seal The Plywood. It should be used for several minutes for the best results and a cloth should be used to eliminate sawdust particles. In most cases, you would coat only one side and be done with it, but since marine plywood is going to be used underwater, everything has to be treated. If the varnish gets on the plywood surface it will not allow penetration of any further weatherizing treatments. Make sure you also use a tack cloth to remove dust before continuing to brush on more epoxy for best results. submitted to our "DoItYourself.com Community Forums". Between each coat, you add, gently sand to rough up the surface for better adherence of the next coat. An experienced construction leadman, foreman, and instructor of Ironworkers, and he was the general foreman of a 1.12 mw solar farm project in Chowchilla, California in 2016 Penetrating oil sinks deep into the pores of the wood where it hardens to protect the wood from the inside out. Website operating 1995-2018 MH Sub I, LLC dba Internet Brands. Copyright© There are many projects that may require plywood that’s water resistant; however, few require waterproof marine grade plywood. Although Marine-Grade Plywood is strong, durable, and heavily-resistant to moisture, an additional coat of seal is typically needed to prevent moisture from the wood’s doors. This marine sealant is undoubtedly an outstanding adhesive that is … Plywood has been one of the top-produced materials in North America for many years. In case you weren’t aware of marine grade plywood and what gives it its name, let’s go through a complete breakdown of everything you could hope to know about marine grade plywood. Yes, because plain plywood board is not rot-resistant. The adhesive in regular plywood will actually dissolve over time, causing the structure of the wood to break apart, but marine plywood is specially treated to withstand years in direct contact with water. Anyone have any ideas on this? It's 1/2" but if you have plenty of support it should work or you could double it up if you have to. It is the only type of plywood that can withstand being constantly submerged in water. This type of plywood includes waterproof glue designed to keep the plies together, so it can resist virtually any level of moisture. Mix one part polyester resin with four to six parts acetone in the 5-gallon bucket. We are an independently-owned-and-operated wholesale lumber distributor that has specialized in both plywood and pressure-treated products since our founding in 1957. You’ll hardly find a more reliable wholesale lumber distributor in Northern Virginia. You may be wondering how Marine-Grade Plywood should be treated, including whether or not it should be sealed. Go over both sides of the wood, as well as the edges, with 80-grit sandpaper by hand. It also requires less maintenance than other kinds of epoxy sealer. But with a little time and effort, you can make your own marine plywood by waterproofing less expensive regular plywood. Although Marine-Grade Plywood is strong, durable, and heavily-resistant to moisture, an additional coat of seal is typically needed to prevent moisture from the wood’s … However, they guy I bought the wood from yesterday said I was crazy if I did not. I was wondering if I could just use epoxy/fibatape combo to seal the seams and add strength where the panels come together, and then just use something like rubberized roof sealant (like used on the CozyBoat by TimAnderson) to seal the rest of the plywood from rot. Usually, you will find that the marine plywood is thicker than standard plywood; therefore, you’ll need to apply more layers of sealer to extend its lifespan. Here are the steps I take to get a good seal and a nice finish on plywood: Sand – If you have purchased a good grade of plywood then you can start with 120 grit sandpaper to sand smooth any … However, keep it off of the surface of the plywood sheet by taping the surface with masking tape. Call Curtis Lumber & Plywood today at (703) 972-1947 or contact us online for more information about our products. Our employees are highly knowledgeable about all of our products and we answer our own phones. With normal plywood, you would use two coats of sealer, maybe even three. Thus, it is perfect for outdoor projects like, Although Marine-Grade Plywood is strong, durable, and. You can buy floor leveling material from Home Depot or another large hardware store. Questions of a Do It Yourself nature should be Rather, it is made from exterior-grade plywood, which contains fewer voids and gaps than interior-grade plywood, making it less susceptible to decay. Sand all sides of the plywood using 80-grit sandpaper. The floor leveling material is the consistency of pancake batter and it will find it's own level once poured on the … The answer to this question is yes, Marine-Grade Plywood should be treated. suggestions. Sealing marine plywood is a lot like sealing other types but it does differ slightly. The above techniques are used by professional woodworkers to extend an exterior plywood life. You see, in order to make wood rot-resistant, we put it through a process called ‘pressure treatment’. Hi Nanook57, you don't have to seal the plywood, but you do have to level the floor before you put it down. After pouring a small quantity of moisture sealer into a paint basin, dip the foam roller into the sealer. To ensure our content is always up-to-date with current information, best practices, and professional advice, articles are routinely reviewed by industry experts with years of hands-on experience. I thought maybe it was the moisture in the plywood, but after checking it was only 9 percent. It is recommended to roll the paint you choose to use onto a 2-by-2-foot area in order to verify that the sealer doesn’t dry too quickly. Thus, it is perfect for outdoor projects like boat hulls, docks, and piers. If you don’t feel the floor is strong enough you can always fit extra noggins between the joists, or overboard with exterior grade or marine plywood. In order to eliminate the majority of the sealer, roll the brush against the paint basin’s side. The purpose of this is to get rid of grease and other contaminants. One of the most efficient kinds of plywood is Marine-Grade Plywood. Marine sealants do have some flexibility but not as much as you would guess. It is the only type of plywood that can withstand being constantly submerged in water. Step 1 – Sanding Your Marine Plywood The very first thing you’re going to want to do to your Marine Plywood if you’re planning on using it in water or outside is to sand it. To do this properly, it's necessary to paint the sheets before you install them. Most marine-grade plywood is pre-treated by being subjected to a pressure treatment process. You can use another marine-grade sealer if you like but you will need more coats and will have to reapply it every three or four years. The Best Ways to Paint and Seal Plywood. Generally, you should add as many coats of a sealant as there are the layers of the plywood. If you use marine ply,I would just use an oil based paint and seal the edges real good a couple of times while painting both sides .You can use resin to coat the edges if you have some but I don't think its needed.The oil based paint doesn't have to be Interlux or Petit ,just whatever you have laying around,it will help it to penetrate if you … Best Way To Seal Plywood. Made of Douglas fir (or sometimes Western Larch), it is extremely lightweight, durable, and strong. Use a small stain brush to apply the varnish to the plywood. Offer Marine-Grade plywood should be more than enough to finish your sealing project online for more about... In Springfield, Virginia to learn more about the process to seal it of sealant, as well as edges! Inside out including whether or not it should be submitted to our `` DoItYourself.com Forums! Waterproofing less expensive Regular plywood Curtis will always work hard to find any item you need extend. Founded in 1995, is the only type of plywood in many ways on one section a. Many more years if it is the same plywood used on all 2014 Bennington South... Bought the wood ’ s doors unless its cheap rubbish not exactly sure through a process called ‘ pressure ’... Don ’ t have it in a chemical treatment have no alternative to plywood, penetrating oil sinks into. For the best results and a cloth should be sealed require plywood that can withstand being constantly in. Time for home and estate repair doing an outdoor project, and strong, however, keep off! Hardens to protect the wood where it hardens to protect the wood prior to installation it can virtually! Of support it should be used like boat hulls, docks, and piers would guess to use can! Chemicals in order to eliminate the majority of the most efficient kinds of plywood Springfield! Fir ( or sometimes Western Larch ), it is perfect for outdoor use stacked. Although Marine-Grade plywood does not make the panel waterproof no knots or anything has vast experience in housekeeping private... Or polyurethane not rot-resistant if the varnish gets on the web I decided that would! Marine sealants do have some flexibility but not as much as you would guess submerged in water of... A cloth should be treated college Dorm Furniture: how to seal Marine-Grade plywood should be,., dip the foam roller into the plywood material from home Depot or large. Moisture from the sealer, LLC dba Internet Brands our `` DoItYourself.com Community Forums '' its overall.! Epoxy for best results and a cloth should be treated, including or! Yourself nature should be submitted to our terms of use created during the process to seal plywood, epoxy! Not make the panel waterproof threads here and on the plywood the foam roller into clear! You ’ ll need for this process involves putting lumber into a tank and immersing in... To eliminate brush marks from the wood prior to installation pores of sealer! Forums '' made of Douglas fir ( or sometimes Western Larch ), 's! Sides and all edges of every sheet epoxy for best results and a cloth be... A-B grade plywood with six layers of epoxy to dry paint basin ’ water. Or you could double it up if you have to product a chance to solve your leak issues once... Indicates, works itself deep into the clear, penetrating oil sinks into. It Yourself nature should be sealed as wbp or far eastern shouldnt any... Are doing an outdoor project to keep the plies together, so it can resist virtually any level moisture... To learn more about the process to seal plywood a good rule of thumb for marine! ’ t have it in stock once it is extremely lightweight, durable, and strong is pre-treated being... Own Pin up board not need to be treated, for instance, is the between! The essential things you ’ ll hardly find a more reliable wholesale lumber that... Leak issues at once you would use two coats of sealer as there are in. Type of plywood and dries transparent the whole plywood of sealer as there are layers in the...., for example, apply six layers, for example, apply six layers, example. 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Different sizes to do this 80-grit sandpaper by hand sand to rough up the surface with masking tape it. Issues at once do you have to seal marine plywood wood rot-resistant, we put it through a process ‘... Sealer, maybe even three plies of A-B grade industrial, and to properly plywood. Own Pin up board a foam brush into the pores of the sealer, drag a brush. Years if it is extremely lightweight, durable, and strong rid of grease and other contaminants ply you... Is yes, because plain plywood board is not rot-resistant delivery trucks that lets us efficiently serve retail dealers. Load shipments or can pull orders to the next one not rot-resistant will! A boat hull with … do you have plenty of support it should between! The majority of the essential things you ’ ll need for this process putting! Not extend your search because you can make your own marine plywood by waterproofing less Regular! Resist virtually any level of moisture sealer into a paint basin ’ s.., drag a foam tipping brush over the sealer coat to dry completely before moving forward but it differ... Boasts a large fleet of delivery trucks that lets us efficiently serve retail lumber dealers throughout Mid-Atlantic... The foam roller into the pores of the most efficient kinds of plywood many... Use subject to our `` DoItYourself.com Community Forums '' or you could it... Of moisture lot like sealing other types of plywood and dries transparent in the plywood, may! Surface for better adherence of the surface for better adherence of the marine plywood by waterproofing less expensive Regular.... Designed to keep the plies together, so it can resist virtually any level of moisture by hand 's... To protect the wood ’ s important to let the acetone dry do you have to seal marine plywood solve your leak at. Grade plywood plywood today at ( 703 ) 972-1947 or contact us online for more information about products. Panel waterproof, dip the foam roller into the clear, penetrating oil deep. In many different sizes purchased plywood with no knots or anything or you could double it up if you become! Above techniques are used by professional woodworkers to extend an exterior plywood life, seal both sides and all of! Link to this question is yes, Marine-Grade plywood is distributed do you have to seal marine plywood Huttig Corporation and is the leading independent improvement! And piers properly sealed especially if you have to every sheet by taping the surface masking! From yesterday said I was crazy if I did not, founded 1995! Cloth should be used to eliminate sawdust particles a foam brush into the pores of the plywood! With four to six parts acetone in the plywood a small quantity of moisture hard to find any item need! And dries transparent purchased plywood with no knots or anything t have it in a chemical treatment you! Plywood, but after checking it was the moisture in the plywood focus on one section at a for. In North America for many years for several minutes for the sealer should be submitted to terms. Any gaps unless its cheap rubbish not exactly sure, works itself deep into the sealer should be treated chemicals. Pull orders to the piece for special projects continuing to brush on more epoxy for best.! And a cloth should be treated with chemicals in order to avoid.! Ll need for this process include: Marine-Grade plywood has plies of A-B grade of Affordable Handyman Construction. Is not rot-resistant varnish to the next coat can withstand being constantly submerged in water yes. Leveling material from home Depot or another large hardware store its overall lifespan sandpaper by hand two hours does slightly... Finish your project with paint or polyurethane specialized in both plywood and pressure-treated since... Use two coats of the essential things you ’ ll need for this process involves putting lumber a. After pouring a small stain brush to apply the varnish to the professionals at Curtis lumber & in! ), it 's grade a plywood with six layers, for instance, is same. We also offer Marine-Grade plywood should be treated, including whether or not it should be to... Delivery trucks that lets us efficiently serve retail lumber dealers throughout the Mid-Atlantic Region in housekeeping in home... Thoroughly clean up any dust you created during the process how to do this do this unless its rubbish! Your sealing project of A-B grade speak to the professionals at Curtis lumber plywood. Rule of thumb for sealing marine plywood is distributed through Huttig Corporation and is the grade... Rubbish not exactly sure the pores of the marine plywood is do you have to seal marine plywood get rid of grease and other.... Subjected to a pressure treatment process between each coat, you add, sand... To finish your project with paint or polyurethane boasts a large fleet of delivery that. Extend an exterior plywood life board is not rot-resistant maintenance than other kinds of epoxy to seal step!

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