What are the Best Uses for Marine Plywood? Roll the paint onto a 60 cm by 60 cm (2 foot by 2 foot) area to ensure the sealer does not dry before you cover the area. Apply it to the wood, starting with the top and side edges and moving to the front face. - Edge sealing paint for use on phenolic faced & marine plywood - Fast Delivery available - We also supply all thicknesses & sizes of the Phenolic plywood & Marine Plywood boards, please contact us for details. 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. Would sealing the plywood this way be appropriate in this application, and if so, should I use the resin as is or thin it down? MARINE Premium wood sealer and dock stain is specifically formulated to provide the highest level of protection for wood structures, situated near open water. How to Seal Marine Plywood. Continue applying sealer until the plywood is completely covered. To get a smoother finishing touch, sanding is repeated with 120-grit sandpaper. Wash the paintbrush by pouring paint thinner over the bristles and then running the brush under warm running water to remove any residue. MARINE provides the highest level of protection in those environments. just get exterior grade plywood the only difference in it and marine is the marine has less knots and one side is extra smooth. I've heard of sealing marine ply with just fiberglass resin itself. Sealing Plywood Edges with Paint? We prefer clear, penetrating epoxy because it works its way deep into the wood, dries transparent, and requires less maintenance than other types of sealant. Are you currently encountering some sealing boat concerns? How to Stain Over Top of Stain. This is an important design characteristic if you're building a boat hull with plywood. Exterior ply may also have voids in between the layers that aren’t immediately visible. Print. However, usually the materials in the wood are not enough to block all moisture from the wood. Dip your foam brush or roller into the sealant. What Is Hardwood Plywood and What Is It Used For? One unique thing about this type of wood is that it can resist water and moisture on its own. Dip a foam brush into the clear, penetrating epoxy. It is almost always necessary to coat the marine plywood in additional sealer to block all moisture from the pores of the wood. Allow the epoxy to dry then seal … Smiths Clear Penetrating Epoxy Sealer ™ (CPES™) is a thin epoxy that will penetrate deeply into the surface of wood. Wipe away all dust and particles with a soft cloth. Allow the coat to dry for one to two hours. Following are some steps taken during sealing of plywood: First, all sides of plywood are sanded by using sandpaper of 80-grit measurement. When painting plywood, the edges always absorb the paint and ask to be repainted. Marine-Grade Plywood does not need to be treated with chemicals in … Exterior grade plywood is a good alternative to marine ply. Even so, the material components of this wood are not sufficient to block all moisture from entering into the wood. Use a fine-grit sandpaper and sand the wood for several minutes to achieve a smooth surface. You can paint a deck, wall, or other objects that are crafted from plywood. Sealing most marine-grade plywood with epoxy is essential. Marine plywood is thicker than typical plywood, so you’ll need to apply more coats to maximize its lifespan. Marine ply is high quality water proof ply with a guarantee that there are no voids in the inner layers. Drag a foam tipping brush over the sealer while it is still wet to remove brush marks from the epoxy sealer. Seal marine plywood to protect it from moisture. Her work appears in online publications such as Donna Rae at Home, Five Minutes for Going Green and Daily Mayo. I am building a makeshift weightlifting platform for outside use, and the centrepiece of that is two 18mm thick 2440x1220 sheets of plywood screwed together for stability. Not sure which kind of wood to use on your next project? He has been involved in sales and purchasing for softwood, hardwood, and panel products serving a broad span of industrial applications, we’ve compared marine plywood cost and characteristics. Seal marine plywood to protect it from moisture. The plywood (minimum 15-18mm thick) should be laid with cross staggered joints and screwed down at 300mm centres, ensuring the screw heads are flush with the surface. The sealer protects by wrapping plywood in a plastic water-resistant covering. Sand the marine plywood with sandpaper and a sanding block. Dip a foam roller into the sealer. It is almost always necessary to coat the marine plywood in additional sealer to block all moisture from the pores of the wood. That means if your plywood has 7 layers of wood, you should add 7 layers of sealant. 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 you have plywood that is already stained, you can add stain over top of this. However, you can give plywood even better water-proofing by sealing it with Aquarium sealant. It is also known as Lignu in Scandinavia and MultiWoodPrime for new wood applications and is often abbreviated to CPES. This will remove any grease and other contaminates from the surface of the wood to prepare it for sealing. In the north … Choose a Specialty Lumber Store for Your Next Project. Press hard on the roller to cover the plywood with a thin coating of the sealer. Tip each coat after applying. What would you guys suggest to completely seal wood (probably plywood) from moisture. We did some basic test on standard 3/4" plywood versus marine plywood with dry and wet samples. I'm building a new tank/vivarium for my lizard and while it is not going to be as damp as something like a frog tank, I still want it to be 100% sealed so I never have to worry about it (even if the inhabitants change down the road to something that needs to have rain-showers several times a day). Sealing Plywood for longer life. Apply about five thin coats of epoxy sealer. Saturate the foam brush, and start spreading it on the top and side edges first, switching to the front face of the wood when you're done. I sealed mine with paint on truck bed lining I bought at Oreillys. Marine grade plywood means the glue which bonds the layers is water resistant which is not the same as pressure treated wood (or plywood) which has a preservative added to the wood under pressure. EN314-3 is what is normally sold as exterior quality ply and the glue used is water proof. By properly sealing this type of wood, you can increase its overall lifespan and make it last for years to come. The second coat is tipped vertically, then the third is horizontal again. Wipe the surface of the marine plywood with paper towels or a soft cloth dipped in acetone. Follow with several additional thin coats. Some, myself included, never leave home without it, others consider it snake oil. Since marine plywood is typically used underwater, you’ll need to treat every surface of the wood with sealant. While Marine grade plywood is technically “pressure-treated”, it is not soaked in or made with any special chemicals that increase its resistance to rot, mold, and moisture. Messages: 3,343 Likes Received: 177 Location: eastpointe. Tim Inman: End grain is more absorbent. So, what is the best plywood waterproof sealer? Painting is one of the most common methods of sealing plywood and one of the most cost-effective. Sealing plywood is critical for a long-lasting finish. How can I stop this stop this problem with fewer coats? Dry the brush with a clean, soft cloth or rag. Since it’s the ideal wood for moist or wet conditions, it’s often used to craft boats, boat parts, or outdoor furniture in coastal areas. Gently scuff up the wood with sandpaper between each coat for maximum adhesion, and be sure to wipe off any dust before adding the next layer. 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. Marine plywood is a type of wood specifically formulated for use in moist or wet areas. Well, if that it is the case, then why not see for yourself how this marine sealant product can work wonders for your boat? Characteristics Of Marine-Grade Plywood. Let the sealer air dry for two days before applying paint or stain. Home decoration is an art and reveals a lot about the choices and preferences of individuals. Aquarium sealant is a silicon sealer that is regularly used on marine ships, aquariums, vivariums, and outdoor … Print. More Articles. It is better to sand in back and forth motion and along the natural grain of the wood rather than across the natural grain. We prefer clear, penetrating epoxy because it works its way deep into the wood, dries transparent, and requires less maintenance than other types of sealant. These layers provide dimensional stability, but leave the edges, which expose all of the laminate sections, particularly vulnerable to water damage. Roll the sealer across the surface of the marine plywood. This plywood is formulated to resist water and moisture on its own. Although this can add significant weight to the boat, it is an essential process in the waterproofing of the panels used to fabricate the boat. Scott LeGros is key accounts manager and has worked in the plywood and lumber industry for 30+ years. I agree on not using treated wood. How do you finish plywood? I can't explain this but there's a long list of boat related things I can't explain.. by Journal Staff • Jul 22, 2014. Once it is sealed, you may finish your project with paint or polyurethane. The many layers of Marine Grade Plywood are held together with waterproof adhesive, allowing the wood to withstand direct contact with water. Whilst exterior ply may not be pre-sanded and visually free of imperfections, it should still use 100% waterproof glue and should be suitable for permanent exposure to outdoor environments. Incorporating Uncovered Plywood Edges Into Design, Simple Ways To Add Plywood Elements To Your Home Decor. I do a number of yard shadows each year, along with other projects using plywood. Roll the brush against the side of the paint basin to remove most of the sealer from the roller. Sanding the wood before you begin will help to eliminate any snags that will come up after the initial painting. Since marine plywood is typically used underwater, you’ll need to treat every surface of the wood with sealant. Marine grade plywood is not to be confused with similar types of plywood like pressure-treated plywood. Dave fishtales2b, Apr 6, 2014. fishtales2b, Apr 6, 2014. Brenda Priddy has more than 10 years of crafting and design experience, as well as more than six years of professional writing experience. Drag the brush in a different direction each time. Drag the brush across the surface horizontally. Continue to work in small sections until the entire piece of plywood is covered in a thin coat. Its surprisingly good at sealing plywood edges, though I rather suspect epoxy is better. Marine plywood is a type of wood specifically formulated for use in moist or wet areas. Go over both sides of the wood, including edges, with 80-grit sandpaper. Thanks for any input. It is the original product of Smiths and Co. and has been restoring and protecting for over 40 years now. Priddy also writes for Archstone Business Solutions and holds an Associate of Arts in English from McLennan Community College. but a few coatings of polyurethane should seal the bottom and edges and last for yrs. These hardwoods accept stain very well, and don’t benefit much from the use of a sealer. Wood used on boat docks, decks, and retaining walls near rivers, lakes, ponds or the ocean is subjected to near constant moisture. Marine plywood is a wood type created specifically for usage in areas with high humidity levels. Sand your plywood surface, removing any rough spots. Allow the acetone to dry before continuing. But just as importantly it can decorate the plywood if the exterior is going to be seen. No doubt epoxy is better but consodering that the floor is not always under water I would think polyester would be fine. If you want to waterproof plywood, then coat it with a quality liquid latex sealer. Allow the epoxy to dry completely before flipping it over and applying it to the bottom edge and back of the wood. 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. A home is more than just a house, and decor is more than just furnishings. Marine-Grade Plywood has plies of A-B grade. Much like any other form of plywood, if you want to stain, paint, or (in this case) seal it, it’s crucial that you sand it down first. Like other types of wood, you need to sand marine plywood before you seal, stain, or paint it. Only work with a small amount of sealer at a time, because it dries quickly. You should always use marine grade when water is present. Sealing marine plywood is a lot like sealing other types but it does differ slightly. All Plywood sold in the UK is now made to one of 3 standards - EN314-1 EN314-2 EN314-3 thise are rated for Dry, Humid and wet conditions. Pour a small amount of epoxy moisture sealer into a paint basin. However, usually the materials in the wood are not enough to block all moisture from the wood. This plywood is formulated to resist water and moisture on its own. I've purchased "Hardwood Throughout External (WBP) Plywood EN636-3S", but I now realise that it needs to be treated somehow to safeguard it from the elements. You could use marine-grade sealer, but this will require more coats and must be reapplied every 3 to 4 years. Sealing plywood is critical for a long-lasting finish. Leave a 2-3mm gap around the room to allow for expansion, fill these gaps with a silicone sealant to prevent it being filled with tile adhesive when fixing the tiles. Sourcing Guide for Marine Plywood: Explore the widest collection of home decoration and construction products on sale. Roll the paint onto a 2-by-2-foot area to ensure the sealer does not dry before you cover the area. Many different grades of plywood exist. It is a fact of life. Plywood, if dry, is a hard core to carve out and is yet one more reason why the bent nail trick is not as easy as some would make it seem. Each of these two letters represents one side of each ply, which is stacked perpendicularly to the next one. At Forest Plywood, we’ve compared marine plywood cost and characteristics to help you choose the perfect type. More often than not you’ll be dealing with marine grade plywood under deck fittings. But as a wood sealer I find it is surprisingly effective. Allow the acetone to dry completely for 1-2 hours before you move on to the next step. If you need a sealant that could function superbly in terms of patching small holes on your aluminum vessel and any metal, rubber… Wipe away any sawdust particles with a soft cloth. Roll the sealer across the surface of the marine plywood. This ensures that your finished product will have a uniform color, even if it is made of several types of wood. This type of plywood includes waterproof glue designed to keep the plies together, so it can resist virtually any level of moisture. Other than that, you also might want to skip sealing your plywood before staining. Polyurethane or latex bases paints provides a layer of protection that seals the porous surface. Sand the entire plywood surface with 100-grit sandpaper. You could use marine-grade sealer, but this will require more coats and must be reapplied every 3 to 4 years. Plywood is an important and stable building material, comprised of many different veneers glued together at right angles. 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