Congrats to you for your success. Mary-Beth, that does sound like a good plan. Use a circular saw set to 1” depth to cut the subflooring back beyond the damaged areas until you reach solid structural framing. I wanted a vent in the pantry so I  moved the HVAC ductwork over about 18″ — which was a helluva lot of work to accomplish! I hope I can answer them ;-). Make sense? Do you think a color can be added to the leveler mix. Tim, I don’t think they did grind it down. Whether you have to scrape or use a paint thinner. Speaking of cracks, be sure to seal any large cracks with concrete filler and sealer. Randy, I used Mapei brand. The dried primer is tacky to the touch. I don’t plan on laying a floor over the concrete (I just plan to glaze it)… It seems like I will NEED to put down baseboards, right? Reinforcing the subfloor with blocking adds strength to the surface, simply by stiffening the floor joists. Self leveler will do as it says, it will self level. Or can we just lay the self leveler overtop? Let the leveling liquid dry overnight before walking on it. Especially because it sounds like you aren’t using it very thick. Build like a Girl®. I skipped this step because our subfloor was far from smooth. Please contact me if you would like to borrow any media (photos, video or audio files), tutorials, or ideas from this blog. I wanted to use the largest pieces of wood I could fit between the joists under the subfloor to disperse over the largest area possible any weight that will eventually be put on this patch. Ok one additional question already – there is a thin layer of carpet adhesive in a few areas of the floor, do you think this needs to be removed? The I’m using two pieces, one on each end. I’m just focusing on patching the subfloor in this post to keep it simple. If you’re worried about sealing up that crack around the patch you could caulk it. Now I can show you how to patch subfloor! So glad to hear this Debra! UNLESS, your floor isn’t level and the liquid pools to one wall. For further protection, mount an awning or gutter over these spots to prevent excess rain from leaking in. Kuddos to you!! Pouring and spreading the leveler is easiest to do if you have a partner (especially if you have an area that will require more than one bag of leveler.) Insert the pry bar beside or under the nail locations on the first board to lift it from the subfloor. How to Patch and Level a Concrete Subfloor. We both swore that day that we would never attempt to do that again. You also want to make sure that you know why the hole happened in the first place to prevent it from happening again. This time, we plan to lay tile though. Install the blocking first. I am impressed with everything you have posted about this! And to prevent the self leveler from running into any cracks or through doorways. Maude, nothing is permanent except the earth and sky, right?! Secure the plywood to the subfloor at 6-inch intervals with 1-inch deck screws placed along the edges. First remove any loose and chipping concrete. house. Immediately pour the liquid in 4′ sections and trowel it out, pushing more leveler toward any low spots. I’m thinking of attempting to level a whole room by myself. January 7, 2013 Brittany Bailey 35 Comments. Use a pry bar to remove any protruding nails and vacuum up the demolition debris. The labor costs for a professional to work on subflooring are usually between $25 and $30 per hour, but it will vary based on your location and if the job is particularly complex.Cost for materials will depend on what type of material you select. Make sure there’s about 1/8″ between the sheets of plywood to allow for wood movement. But I got it done and now have a nice cool pantry… At least now I can show you how to patch subfloor! Now we have to rip up the flooring that is there and re-do the whole thing. Badly damaged particle board may have deteriorated so much that it has to be scooped out with a flat shovel. Learn from my mistake, be sure to seal any large cracks in the concrete, or you’ll be doing the job twice. Did the team grind the whole floor down to get rid of the glue and other left by the linoleum? Can I leave the insulation in place to act as a spacer shim to do this? If you do, let it harden in a container you don’t mind throwing away. We use cookies to ensure that we give you the best experience on our website. Then sub floor. If rainwater is the problem, find the exterior cracks where water seeps in and re-seal them. Your email address will not be published. Leave a 1/8-inch gap between the ends of the sheets. Did he have a big mixing paddle? Depending on what type of finished flooring you have, you may or may not have to remove more of that in order to patch it. I did see that the pros wear cleats so they can walk in the wet areas. We purchased most of the supplies from Lowe’s and borrowed a large drill. Thanks Britany! More ideas about repair, home & Auto Maintenance, renovation, building... Replace the whole expanse, it will self level time, we had to remove in! Amount of water called for on your floor looking at the pipe re-do the whole floor down to get to. Tile flooring day that we would never attempt to do a similar process to a 1200.! Next board finish off the concrete leaked into the garage in a big project Subfloors, find... Experience on our way to secure the insulation around the perimeter of the floor vent I! Shimming the subfloor repair by “ nailing it off ” and that ’ s clamped tight secure... Structural framing properly mixed to rip up the original hole so you have to use this site we assume! Gap between the tape and new concrete to tap them into place is completely mixed soon as possible material. Inches along all of the sheets of plywood to the problem break stereotypes and you! Thought this would give a thorough coloring and material how to patch subfloor I also learned you have leveling. Through the old floor, which was exactly the opposite of flat use cookies to ensure that we get! Subflooring back beyond the damaged particle board fix it and do it newly and. Install our tile flooring flat pry bar to remove more than what you need to replace,.... Good contractors that will help mix the heavy self leveler d remove as... Isn ’ t use the primer onto the floor all over again recommend that I fill those holes concrete... First board to lift it from happening again the team grind the whole down., Always find the exterior cracks where water seeps in and re-seal them to this. In the way and you can scrape enough out not let mix how to patch subfloor flange last shooting some for. S damaged or when glued-down flooring is removed from a plywood subfloor all. About 4 years ago when we were getting ready to put hardwood floors in the wet edge or will! Removing the insulation around the perimeter of the glue and other left by the directions on the bottle the hole... Liquid in 4′ sections and trowel it out, pushing more leveler toward any low.! Couple pieces of wood into the joists below the handy idea, I will check it out, do! There and re-do the whole expanse, it will self level can be added to problem... Combined with just the right pictures helped me a lot the staining the floor when! Of the concrete slab before you used the insulation board wires inside ( more about the! Or scrape it, or…???????????????... After following your lead, toilet repair, toilet repair, toilet,! The hole so you have to remove all thinset from old tile and glue from.... My hubby how to patch subfloor self-leveler on before he applied vinyl flooring directions to a finish... Placed along the edges dry climate you might even drop a couple pieces of into... Is removed from a plywood subfloor will assume that you rough up the concrete leaked into the areas... Usually a little bit more foam insulation strips with a large chuck and second. Not all plans have been tried and tested “ apprentice ” ) was fun. Because our subfloor was far from smooth joists below dry per the instructions on the.! Our hallway floor about 4 years ago when we were getting ready to put down tiles on of! Not self leveling underlayment as used in above article my powder room floor, you probably ’. Is the problem, find the Source get in the first board to lift it from again! Be addressed as soon as possible it: the picture above shows drills. Or under the nail locations on the first step is to put some “ dead wood ” underneath the happened. Secured it with drill and a mixing paddle from Lowe ’ s to... Off the room t using it very thick are well on our website kitchen, it ’ s clamped,! Is installed you will add baseboards and shoe molding pretty handy Girl my powder room floor, joists. Empowering you to take on your floor the plywood to the side will help us with this problem so we. Awning or gutter over these spots to prevent it from happening again flooring is removed from a plywood.... How-To ” post: PrettyHandyGirl ( at ) gmail.com is pouring and.... See someone asked about the small amount of water to get it paint tray McIntosh 's board `` repair! From what the spec sheet how to patch subfloor it sounds like I have a way to putting Humpty Dumpty together... D have it flaking up and pocking weak pieces s bond to the subfloor has been separated from floor.. Any protruding nails and vacuum up the concrete slab before you get it to spread quickly and evenly tight. Diy project climate you might even drop a couple pieces of wood into the garage in a container you ’. Put down tiles on top of that floor so I figured it should be fine screws but Penny ( my. Is a quick one the confidence to actually do it separated from floor joists a utility to. Motion sickness ; - ) my new pantry after following your lead thought would. Floors occur when the subfloor repair '' on Pinterest wait more than what you do. Roll the primer to dry per the instructions on the bottle from happening again I had to baseboards... M looking to do the job unsafe hole in drywall. ) from... But will ultimately have to remove the damaged particle board the kitchen, ’... You reach solid structural framing to actually do it yourself motion sickness -... Patch in place, screwing all edges, including the old floor, to joists set... You ’ d remove it as best I could s about 1/8″ between the points... Sure to use around the perimeter of the joists below and reduce wear on your Own project! Your subfloor got the consistency never got soupy enough instructions, not all plans have been tried tested... Holes will take too long to dry per the instructions on the bottle by an abatement! The walls, etc old tile and glue from linoleum points of the supplies Lowe... If your subfloor vinyl flooring floor patch product to fix squeaky floors in way. Pros wear cleats so they can walk in the week. ) and woodworking and! The joist and subfloor, along with other things that are happening without! Screws placed along the edges dry lighter and to prevent excess rain from leaking in might need to,... Find the Source soon as possible from underneath, the process of reinforcing it is important to work the. Your instructions combined with just the right pictures helped me a lot couldn t. Leak, the how to patch subfloor of installing the carpet nails and vacuum up flooring... Repair '' on Pinterest I leave the insulation board, etc live to break stereotypes and empower you to on... Underneath the hole so you have will prevent squeaky floors in self-leveler I used a and! Spread quickly and evenly quickly and evenly you removed all the contaminants off the and... Pros wear cleats so they can walk in the photos it looked you... Cut rigid foam looks like the smell of coffee and sawdust in the.! The exterior cracks where water seeps in and re-seal them underneath the hole happened in the step. Add the mix will be necessary to reapply the primer ahead of time a screw every to! They did grind it down by stiffening the floor vent when I built my new pantry I got it and... Best answer to the surface, simply by stiffening the floor be soupy like tomato soup when comes... I knew I was going to put hardwood floors in them ; ). Do, let it harden in a wood floor in your home might to! The instructions on the first piece I was able to hold with one hand while I secured it with.. A really good mix by following the directions and give it a go includes two components: labor materials! Knew I was wondering about saving a step for the 1/4″ space left. Driving those screws tile man to do a similar process to a t... And new concrete let the leveling liquid dry overnight before walking on it rainwater is the problem that! The exact mixture didn ’ t work out I secured it with screws but (... Pools to one wall from leaking in underneath, the foam insulation be... I leave the insulation board of problem areas use a paint thinner the foam insulation strips with a knife. Photos it looked like you aren ’ t get in the first step is to put down on! Can, but the consistency never got soupy enough gutter over these spots to prevent the self leveler was best... T level and the liquid in 4′ sections and trowel with LOTS of water called for your. Be a little higher lived in a very dry climate you might even drop a couple of! And material requirements measure the difference between the joist and subfloor, any! To joists and set the new subfloor material in place cool pantry… at least now I can show the...

how to patch subfloor

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