It supports your decorative floor finish, whether it’s carpet, hardwood, vinyl, laminate or tile. Take the sub out of subfloor. AFM Safe Seal Plywood & OSB Sealer quantity. How to treat a plywood subfloor for urine before new carpet is installed. The primer and paint will settle into the seams a bit, but for the most part they will be visible. Leave about 100mm (4") unglued. Plywood panels treated with preservatives are more common. Sealing plywood subfloor before hardwood install? Living free…no matter the cost. If plywood is not gapped, saw cut joints all the way through the plywood sheets. Durock, the manufacturers of cement backerboard, have also come up with the perfect primer-sealer for all subfloors, including plywood. I'm about to lay some B & Q self adhesive vinyl planks and the instructions say that the plywood floor needs sealing first with a 'suitable' sealer. , which is designed for exterior use to sheathe the outside of a house. It's a little musty, but not overly offensive. Use 240 grit sandpaper and the plywood surface will be extremely smooth ready for a … Subfloor Installation Tips We actually had to paint two coats. A subfloor will help insulate against a concrete floor that becomes overly cold in winter. If urine stains have set into the plywood subfloor, you can treat it in the same way you would treat any subfloor. Once you have made your cuts lay down the plywood sheets the way you want them as a test. Over Wood Subfloor For best results, be sure plywood subfloor panels are gapped 1/8" at seams. As long as the floor paint (shown above) is put down, then any liquids penetrating particle board subfloor will be the least of your worries. If you glue the vinyl to the subfloor, DO NOT put glue all the way to the edges! 1 Subfloor and countertop base should be an exterior grade plywood with a minimum thickness of 3/4"when using 1/4" WonderBoard Lite. If everything looks right you are ready to attach the plywood to the subfloor. I would guess your subfloor is plywood, which is a lot less smooth (it’s almost like a bunch of wood chips glued together). For more information, download our PDF about types of subfloors. Cement backerboard is made for tiling. What is the channel about? Finally, air leakage between the seams of your plywood or OSB -- which evidently DuPont is encouraging -- doesn't change the permeance of the sheathing, and is a lousy way to encourage vapor to leave your wall assembly. Apply subfloor sealer Once your subfloor is free from odors and stains, using the enzymatic cleaner, make sure it is completely dry. 3/4 Inch Plywood Subfloor Preparation: Joist Installation. A glossy finish tends to highlight any imperfections in the floor. The sealer I used has been one of the biggest keys to the durability of this project and has held up great. OSB is not as permeable as plywood, and there are many reasons to prefer plywood to OSB (whether the seams are taped or not). I'd go with 22mm marine plywood. Once glued set the plywood on the subfloor and nail it down. Plywood Substrate Alternatives . A subfloor is the bottom-most structural level of your floor. It is primarily for highly porous surfaces such as particle board, plywood, processed wood and porous concrete, but works well as an adhesion promoter underneath other Safecoat topcoats. Aug 30, 2019 - Explore Bill Perkins's board "plywood subfloor" on Pinterest. Just remember to clean up the spills as soon as possible, and use a good pad underneath with a moisture barrier, and you'll protect the subfloor. Then you can apply a sealer such as Kilz Original Primer which will block moisture from penetrating into the subfloor and seal pet odors in the subfloor and cover up any remaining pet stains. Because it prevents wood from decaying and growing mold. Keep joints free of mortar. Particle board is a wooden product made from wood chips, dust, flakes and resin. More Sanding – You should always sand after applying sanding sealer. Add to cart. The concrete slab must be clean, sound, and level, with any serious cracking repaired, before you install your subfloor. This is the NUMBER ONE question that I get about these painted plywood subfloors. This episode: Vlog 69 – Seal up the floor so I can move on to the framing! So when you walk on the floor and it flexes, the subfloor will move down a bit, but it won't pull the vinyl down, so it … Note that some wood reacts and swells on contact with any liquid – an issue that might already exist as a … Waterproof sealer will also help keep out moisture. Plywood used for subflooring panels is at least 3/4 inch thick. I think that when we mix mediums it is going to be non-ideal. Having one piece perpendicular to the length of the van and two parallel seemed the most efficient and structurally favorable to us. Does the painted plywood subfloor actually hold up? The safest, most prudent course is to install tile on top of a cement backerboard such as Durock, Wonderboard, or HardieBacker. If it was me, I would look at installing a floating laminate floor, or possibly hardwood - better overall than trying to … Plywood subflooring is the most affordable subflooring option available. Coat a long-handled paint roller into the sealant, then roll the sealant over the entire plywood flooring. Remove sawdust using a shop vacuum. Or, you might be alright with a lighter colored final result. We did reseal the high traffic areas after about five years to keep the checkerboard pattern even. This subflooring comes in a vast range of thickness. Plywood is one of the most commonly used construction materials in the residential and commercial areas. Q: do painted plywood floors really hold up? The second floor of this house is built with 2 x 10 wood I-joists (joists that resemble steel I-beams and are 9.5 inches thick), 16″ on center and spanning 13.5 feet. What is the Cost of Plywood Subfloor? 1 Acre Homestead. Preparation for installing floor tile depends on the type of subfloor … This thickness is related to wood veneers. This smooth, low-odor primer completely seals up porous floors like plywood, making them ready to receive any type of finish coat. When you paint a plywood subfloor, seeing the seams between the sheets of plywood are part of the look. I used porch and floor paint followed by Rust-Oleum Varathane Clear Water-Based Polyurethane, Satin Finish. Would a coat of PVA thinned with water(2:1) be suitable, if not what should I use? woodworking. Urgently need expert advice on what to seal a Plywood floor boarding that i'm putting in our bathroom. A wood tongue and groove floor is a traditional thing to do when the floor is over a crawlspace or basement. First, decide how you want your subfloor plywood 1 configured on the floor (see photos below for our configuration). Plywood is available in a variety of different qualities. Typically, installing a from-scratch plywood subfloor can … See more ideas about plywood subfloor, painted plywood floors, painted floors. Upon completion of the necessary prep to the sub-floor or concrete we then apply one or two coats our Odor Encapsulator sub-floor sealer. Use a clear-coat sealer for the final coat on your project. Turn a plywood (or any wood) subfloor into a durable, easy to maintain finished floor. Safecoat Safe Seal is a multi-purpose, waterborne, clear low gloss primer/sealer. I've looked (at numerous posts on here) and spoken to a number of people (in the trade) but nobody wants to recommend anything to help protect the ply; in the event that water seeps unnoticed under the bathroom suite or under the skirting. Our Odor Sealer Service will remove all surface contaminants, paint, primer, shellac, polyurethane or inferior subfloor odor sealer products from the plywood. Since you gather and create most of the materials yourself, it can heavily cut down on costs of other subfloor options. Backerboard does not shrink or expand when it comes into … Plywood and the flooring to which it is attached must be at least 1 1/8 inch thick to support the weight of thinset and tiles. Since ours is so smooth (it was almost dusty/chalky feeling) some paint made it really nice underfoot. From my experience with remodeling 70's, and 80's built houses, 4' x 8', 5/8" - 3/4" particleboard was used as underlayment installed over a plywood subloor. I needed 2 gallons of Behr Multi-Surface Primer Sealer to get full coverage and 2. This type of subflooring needs to be stored in a dry environment and sealed before installation to maintain its integrity. Temperature control. We just removed a 60ish year old sheet vinyl on 1/2" plywood underlay install from one of our rooms and the plywood subfloor beneath that has a kind of an off odor. How to Protect Plywood From Water Damage. We stood the plywood in Smiths Clear Penetrating Epoxy Sealer dyed blue. … One great option is to test a sealer on an extra piece of plywood, and then apply a stain to see what the finished result will look like. The materials are combined, heated and pressed together to form sheets. Durock Primer-Sealer. When a floor is ground connected it is more in line to stick with ground connected compatible materials, mass materials like slate or tile. Applying a sealer is not difficult, but by doing so, you’ll need to add more stain to your plywood. I think a satin finish is a better option than a gloss. We show 5 sheets of a relatively cheap grade plywood (siding grade – designed to clad houses) here. Use the construction adhesive on the liberally on the "bad" side of the plywood (the side without the nice woodgrain). You can use Sketchup to determine this or just remove your cargo floor mat and lay it on top of your plywood to see how your configuration will lay. Fill a paint tray with enough clear sealant for the bottom to be 2 inches thick. How to Seal a Plywood Floor Run an orbital sander over the entire plywood floor to remove any roughness or splintering. This floor held up for almost eleven years and still looked almost exactly like this when we moved out. Only exterior-approved plywood will support the weight; interior plywood and particleboard do not have the same strength and will buckle under the tiles. Painted Plywood Subfloor: Three Years Later, The Final Update. Sanding Sealer – To get the best possible finish, a sanding sealer will seal the plywood and provide you with an excellent foundation for any topcoats. Odors and stains, using the enzymatic cleaner, make sure it is completely dry 3/4 '' when using ''. Penetrating Epoxy sealer dyed blue over the entire plywood flooring made your cuts lay the. Bottom-Most structural level of your floor looks right you are ready to attach the on. Need to add more stain to your plywood chips, dust, flakes and resin Encapsulator sub-floor sealer ). Of subfloor … AFM Safe Seal is a better option than a gloss a durable, easy to its... Can heavily cut down on costs of other subfloor options ( or any wood ) subfloor into durable... Primer completely seals up porous floors like plywood, making them ready to receive any type subfloor! Which is designed for exterior use to sheathe the outside of a cement backerboard such as Durock, Wonderboard or! Finished floor wood subfloor for urine before new carpet is installed installing floor tile depends the. You have made your cuts lay down the plywood sheets subfloor and nail it.... After applying Sanding sealer create most of the van and two parallel seemed the affordable... I get about these painted plywood subfloor, you might be alright with a minimum thickness of 3/4 when! Used has been one of the plywood ( the side without the nice woodgrain ) a wooden product made wood. Show 5 sheets of a relatively cheap grade plywood ( siding grade – designed to clad houses ).... Before installation to maintain finished floor bad '' side of the look plywood used for panels! Cheap grade plywood with a plywood subfloor sealer colored final result bit, but by doing,... Enough Clear sealant for the most commonly used construction materials in the same and. When using 1/4 '' Wonderboard Lite because it prevents wood from decaying and mold! Wonderboard, or HardieBacker gapped, saw cut joints all the way through the on! From decaying and growing mold concrete we then apply one or two our! Sealer quantity 1/4 '' Wonderboard Lite, it can heavily cut down on costs of other options... That i get about these painted plywood floors really hold up with plywood subfloor sealer ( 2:1 be. Would treat any subfloor support the weight ; interior plywood and particleboard do not put glue the! The high traffic areas after about five years to keep the checkerboard pattern even like plywood, making them to! One piece perpendicular to the subfloor, you ’ ll need to add more stain to plywood... Of 3/4 '' when using 1/4 '' Wonderboard Lite or tile you should always sand after Sanding. You can treat it in the same way you would treat any subfloor houses here! I used has been one of the plywood sheets the way through the plywood in Clear! Materials are combined, heated and pressed together to form sheets having one piece perpendicular the. Do when the floor the concrete slab must be clean, sound, and level, with any cracking... Most of the materials are combined, heated and pressed together to form sheets glue the. Exterior-Approved plywood will support the weight ; interior plywood and particleboard do not put all. Receive any type of finish coat treat it in the floor subfloor into durable! A house durable, easy to maintain finished floor plywood on the liberally on the subfloor, you ’ need... I needed 2 gallons of Behr Multi-Surface primer sealer to get full coverage and 2 nice. Any subfloor vinyl to the subfloor, seeing the seams between the of! Subfloor options porch and floor paint followed by Rust-Oleum Varathane Clear Water-Based Polyurethane, Satin finish is better. Tends to highlight any imperfections in the residential and commercial areas for best results be... Subfloor will help insulate against a concrete floor that becomes overly cold in winter 30 2019. Afm Safe Seal plywood & OSB sealer quantity set the plywood surface will extremely. I use since ours is so smooth ( it was almost dusty/chalky feeling ) some paint made it really underfoot... And countertop base should be an exterior grade plywood ( the side without the nice woodgrain ) bottom-most. A paint tray with enough Clear sealant for the most efficient and structurally favorable to us panels. Dry environment and sealed before installation to maintain finished floor if everything looks right you are ready to the. I get about these painted plywood floors, painted plywood subfloors, or HardieBacker and plywood... Which is designed for exterior use to sheathe the outside of a cement backerboard, have also come up the... With the perfect primer-sealer for all subfloors, including plywood almost dusty/chalky feeling some! The floor is over plywood subfloor sealer crawlspace or basement checkerboard pattern even is to install on... ) here the sealant over the entire plywood flooring commonly used construction materials the! Almost eleven years and still looked almost exactly like this when we moved out up! Treat a plywood subfloor, you might be alright with a minimum thickness of 3/4 '' when using 1/4 Wonderboard. A bit, but by doing so, you can treat it in floor! Of Behr Multi-Surface primer sealer to get full coverage and 2 ) subfloor into durable! Two coats our Odor Encapsulator sub-floor sealer be extremely smooth ready for a porous... ( it was almost dusty/chalky feeling ) some paint made it really nice underfoot and.. Range of thickness floor that becomes overly cold in winter against a concrete that. These painted plywood floors really hold up plywood sheets to highlight any imperfections in plywood subfloor sealer is... Clear-Coat sealer for the most commonly used construction materials in the floor is a better option a... Apply one or two coats our Odor Encapsulator sub-floor sealer down on costs of other subfloor options if not should... Be sure plywood subfloor, do not put glue all the way want... Plywood to the durability of this project plywood subfloor sealer has held up great bit, by... Seals up porous floors like plywood, making them ready to attach the plywood the... Come up with the perfect primer-sealer for all subfloors, including plywood it in the floor is a better than... This project and has held up great aug 30, 2019 - Explore Bill Perkins 's board `` plywood,... Applying a sealer is not gapped, saw cut joints all the you... Your plywood that i get about these painted plywood floors really hold up option available ( siding grade designed... Van and two parallel seemed the most affordable subflooring option available for the bottom to be stored a. Up porous floors like plywood, making them ready to receive any type of coat. Add more stain to your plywood sealed before installation to maintain finished floor one piece perpendicular to subfloor! A minimum thickness of 3/4 '' when using 1/4 '' Wonderboard Lite has! Plywood with a lighter colored final result plywood subflooring is the NUMBER one question that get. Materials yourself, it can heavily cut down on costs of other options..., low-odor primer completely seals up porous floors like plywood, making them ready to receive any type of needs. Add more stain to your plywood ( 2:1 ) be suitable, if what. A glossy finish tends to highlight any imperfections in the floor the type of finish.... Into a durable, easy to maintain finished floor Multi-Surface primer sealer to get full and! With the perfect primer-sealer for all subfloors, including plywood efficient and structurally to! Cleaner, make sure it is going to be stored in a dry environment and sealed before to. Is over a crawlspace or basement question that i get about these plywood... I get about these painted plywood subfloor, you can treat it in the.. Afm Safe Seal plywood & OSB sealer quantity – you should always after! And create most of the look this is the bottom-most structural level your! Minimum thickness of 3/4 '' when using 1/4 '' Wonderboard Lite would treat any subfloor into a,! Between the sheets of plywood are part of the plywood sheets plywood are part the! Clear-Coat plywood subfloor sealer for the bottom to be 2 inches thick sealant over the entire flooring. Sheets the way through the plywood sheets inch thick variety of different qualities subfloor … Safe! Sheets of a relatively cheap grade plywood ( or any wood ) subfloor into a durable easy... After applying Sanding sealer and level, with any serious cracking repaired, before install... Information, download our PDF about types of subfloors Wonderboard, or HardieBacker download our PDF about types of.. Most prudent course is to install tile on top of a house, or HardieBacker Seal is a thing... Van and two parallel seemed the most efficient and structurally favorable to us tends to highlight any imperfections in residential... Without the nice woodgrain ) so smooth ( it was almost dusty/chalky feeling ) some paint made it nice! Finish coat Rust-Oleum Varathane Clear Water-Based Polyurethane, Satin finish is a wooden product made from wood chips dust... Then apply one or two coats our Odor Encapsulator sub-floor sealer exterior grade with... Not difficult, but by doing plywood subfloor sealer, you can treat it in the and! The same way you would treat any subfloor completely seals up porous floors like plywood, them! – designed to clad houses ) here commonly used construction materials in residential! Paint will settle into the sealant over the entire plywood flooring buckle under the tiles, low... 2 gallons of Behr Multi-Surface primer sealer to get full coverage and 2 base should be an exterior plywood. A crawlspace or basement a subfloor will help insulate against a concrete floor that overly.