how to patch subfloor

If you have carpet, that can be patched so you could patch the subfloor without removing more carpet. The cost to replace, repair or install subfloors includes two components: labor and materials. Getting the other end blocked up can be challenging because you won’t have as much room to get your hand in there to hold the wood while you clamp. Use a pry bar to remove any protruding nails and vacuum up the demolition debris. Wedge shims between the joist and subfloor, and use a clawhammer to tap them into place. Use painter’s tape to secure the insulation around the perimeter of the room. Fasten the sheet to the floor joists with 2 1/2-inch screws driven through the old subflooring and into the joists below. It might save your back and allow you to work into the wets areas. Not self leveling underlayment as used in above article. Now we have to rip up the flooring that is there and re-do the whole thing. Using plans or information found on SawdustGirl.com indicates that you agree with the Terms of Use policy and will accept full responsibility for the process and outcome of any project you attempt. Does it just pull straight out, or do you have to cut it or scrape it, or…??? I see someone asked about the small amount of prep work that overlays ask for. Really, we would cut half way on the joist, install 2x4 blocks horizontal between the joist under the subfloor halfway on the edge of the existing subfloor to tie the sheets together, then install the subfloor. The Home Mender, Dustin Luby, shows us how to repair that unsightly rot hole in your floor to prepare it for a new. The dried primer is tacky to the touch. We might have overdone it with screws but Penny (remember my “apprentice”) was having fun driving those screws! Is that too much prep considering we have to use a primer? Drill with a large chuck and attachable second handle. You can do it! Awesome, awesome instructions! Cracks, crumbled concrete and an uneven surface resembling the moon. Use a circular saw set to 1” depth to cut the subflooring back beyond the damaged areas until you reach solid structural framing. The I’m using two pieces, one on each end. Your email address will not be published. If you can access the floor from underneath you should be able repair the sub floor without having to pull up your refinished flooring. Adding a self leveler was the best answer to the problem. 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? Pour immediately. I recommend always following manufacturers instructions. I’ve been wanting to do charcoal and thought this would give a thorough coloring. Trim (as needed) and place the next sheet in the first row. Dec 29, 2019 - Explore Bob McIntosh's board "Subfloor repair" on Pinterest. Before putting down any new flooring, we had to have a smooth and level surface. Fasten the new subfloor patch in place, screwing all edges, including the old floor, to joists and 2x4 blocks. Then underlayment, if any, then toilet flange last. Let the leveling liquid dry overnight before walking on it. Then, measure the difference between the high points and low points of the floor. Thanks Britany! But, it will be much heavier! Great job!! Mapei and every pdf manual I have ever read for a self leveling compound similiar has had that requirement: no contaminants in the slab. It turned out terrible. Subfloor repair is necessary any time the subfloor is weakened. Build it, Fix it and Do it yourself. I neglected to fill this crack in the floor and literally poured 2.5 gallons of leveler into it before creating a little dam to stop all the leveler from pouring into the hole. Some of it stuck to the leveler, but it doesn’t get in the way and you can scrape enough out. All images and tutorials on this blog are copyrighted material. Over a large area, it will fill in cracks and holes, but if you pour more material in a corner area and less in the middle of your room, you could end up with waves or bumps on your floor. Thanks Ben. UNLESS, your floor isn’t level and the liquid pools to one wall. Did the team grind the whole floor down to get rid of the glue and other left by the linoleum? May I ask what brand you were using? Cut Damaged Subfloor: Set a circular saw to the proper depth, so it cuts just through the thickness of the particle board, and make the cuts. Sometimes, subfloors made of wood types like plywood or oriented strandboard (OSB) can become damaged by external factors like rotting or water damage, which may require subfloor repair. The smaller one won’t accept the mixing paddle. An underlayment is a thin layer of material sandwiched between two other materials. To create an expansion joint as the leveler expands and contracts with heat and cold. The self leveling liquid will dry lighter and to a matte finish. Brittany, But, only to a certain extent. When Repairing Damaged Subfloors, Always Find the Source. Clean out your bucket and trowel with LOTS of water. This is the best DIY tutorial I have seen on this topic so I might be back in touch with additional questions once we get started! Cut rigid foam insulation strips with a utility knife to use around the perimeter of the room. After patching the subfloor and restoring the underlayment as shown in the photos, it was time to glue and nail down a second very thin underlayment (1/4 in.) Mary-Beth, that does sound like a good plan. We both swore that day that we would never attempt to do that again. Here’s how to go about patching a wood floor in your home. I used 5/8″ plywood which I think is fairly common for a subfloor. So remember how I moved the floor vent when I built my new pantry? Hammer the new piece of plywood in place with 8D common nails (every 6 inches) being careful that you are nailing into the board you screwed into the floor joist. LOL. If rainwater is the problem, find the exterior cracks where water seeps in and re-seal them. Ugh. Hopefully you won’t have much leveler to dispose of. 99% of the time I would be happy to allow you to use one photo with appropriate credit and link back to PrettyHandyGirl.com (preferably to the same post it was borrowed from.) See professionally prepared estimates for subfloor repair work. Later this week, I’ll show you the next steps we took to install our tile flooring. It looks pretty flat now, though. Since this was his first attempt at using the self-leveler, he decided to just go by the directions and give it a go. To secure the panels, a special subfloor adhesive will be added to the floor joists, and each panel will also be nailed down anywhere it touches a floor joist. 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. Immediately pour the liquid in 4′ sections and trowel it out, pushing more leveler toward any low spots. The first piece I was able to hold with one hand while I secured it with clamps. Yes, after your flooring is installed you will add baseboards and shoe molding to finish off the room and hide the edges. 2-3 inches is VERY deep. Watch and learn how to keep your house looking sharp. Pour a small amount of primer into a paint tray. Pretty Handy Girl is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. I didn’t worry about making a tight fit because the vent hole was cut all wonky and I didn’t care that much. Super good to know! It is also laborious work hauling those buckets around. Home project tutorials. Fortunately, repairs can be made to these subfloor types rather than fully replacing them depending on the amount of damage to the subfloor material. That’s ok! Randy, I used Mapei brand. A common problem with replacing sub-floor is how to provide adequate support of the newly formed and installed flooring edges. was removed by an asbestos abatement team and the mold remediation guys. Glad I could help. Good advice except when done mixing do not let mix sit. Chad completed the subfloor repair by “nailing it off” and sealing the gaps at the pipe. (Like what you would do if patching a hole in drywall.) screws spaced every 6 in. I’d recommend contacting the manufacturer. Repairing Water-Damaged Subfloors: Your 8-Step DIY Guide We need to find good contractors that will help us with this problem so that we can get our house in great shape again. First remove any loose and chipping concrete. If you continue to use this site we will assume that you are happy with it. It’s better to get anything that might affect the adhesion of the self leveler up than find out later that it didn’t work. Waiting too long to repair the subfloor in your mobile home could result in an unsafe hole in the floor. Once you have your blocks secured you can cut a piece of wood that matches the thickness of your subfloor and secure that to the blocks. I skipped this step because our subfloor was far from smooth. If you’ve decided it’s time to replace your subfloor, make sure to fix the source of your subfloor damage as well. Steve, the foam insulation can be pried out. One person can mix the next batch while the other is pouring and spreading. Set all screw heads slightly below the surface. Your email address will not be published. Once the board is free, pull it loose from the groove side of the next board. Learn how your comment data is processed. I’m looking to do a similar process to a 1200 sq. I’m hear for any questions you have. Or else what does the edge look like?? Thank you. I guess that if you lived in a very dry climate you might need to add more water. The kitchen, it’s still a blank canvas. What was left was a plethora of problem areas. See typical tasks and time to repair a subfloor, along with per unit costs and material requirements. This time, we plan to lay tile though. Use 1-1/2 in. It looks to me like it’d be in there pretty good between the tape and new concrete. Plans and information published on SawdustGirl.com may not be reproduced, republished or distributed in any manner without written permission from Sandra Powell, Sawdust Girl. But, I understand that it can be intimidating. If you are sure that the termites are gone you could possibly patch the floor by gluing 3/4" plywood or 1x(whatever space you have). Hi, I'm Brittany aka Pretty Handy Girl. Patch and Level a Concrete Subfloor Preparing the concrete floor: Before pouring the self leveler there is some prep work required. Shannon, DEFINITELY! Nothing you repair will last if water continues to seep through to your subfloor. But, you might want to have a professional contractor take a look at it first. Insert the pry bar beside or under the nail locations on the first board to lift it from the subfloor. Self leveler will do as it says, it will self level. I’m so glad you posted this, Brittany! I’m thinking of attempting to level a whole room by myself. January 7, 2013 Brittany Bailey 35 Comments. My gut would say that it might be a little too thick for the 1/4″ space usually left for wood floors. We are well on our way to putting Humpty Dumpty back together when it comes to our mudroom and laundry room. You might even drop a couple pieces of wood into the “Void” before you get it. Secure the plywood to the subfloor at 6-inch intervals with 1-inch deck screws placed along the edges. I did vacuum it up the best I could. I don’t. Congrats to you for your success. I live to break stereotypes and empower you to take on your own DIY project. That’s why I don’t have a tutorial describing that process. And to prevent the self leveler from running into any cracks or through doorways. I did see that the pros wear cleats so they can walk in the wet areas. Do you think a color can be added to the leveler mix. The cost to Repair a Subfloor starts at $36.89 - $56.75 per square foot, but can vary significantly with site conditions and options. I noticed in the photos it looked like you had a really good mix by following the manufacturer’s instructions. hole filling, hole repair, Home & Auto Maintenance, renovation, repair. Let the concrete filler dry before continuing. Fill a 5 gallon bucket with the amount of water called for on your bag of self leveler. All plans are for private use only. This is probably in here somewhere, but how do you actually remove the insulation board? And, adding a handle to the side will help mix the heavy self leveler without it taking you for a “spin”. Tim, I don’t think they did grind it down. This site uses Akismet to reduce spam. Kendra, I’m not sure. If you’re worried about sealing up that crack around the patch you could caulk it. Suzy, wow, how odd that the exact mixture didn’t work out. Apply a primer to help the leveling material adhere to the concrete subfloor. And then you’d have it flaking up and pocking. If your subfloor is accessible from underneath, the process of reinforcing it is a quick one. A DIY Blog Empowering You to Complete Your Own Project. . You can, but will ultimately have to remove it to add baseboards and shoe molding. You can solve this by shimming the subfloor. This is a great article but it seems to be missing something. Big projects like this scare me – I like having a detailed “how-to” post. Start by completely removing the damaged materials. Spread construction adhesive on the edges of the exposed joists and set the new subfloor material in place. Any suggestions? I can be contacted via email: PrettyHandyGirl (at) gmail.com. From what the spec sheet says it sounds like I have to remove ALL thinset from old tile and glue from linoleum. Creaky floors occur when the subfloor has been separated from floor joists. Plus, it created a nice channel to run some wires inside (more about that later in the week.). I was following the directions on the self-leveler I used. The insulation serves two purposes. Build like a Girl®. After reading this and looking at the great photos, it is giving me the confidence to actually do it. The first step is to put some “dead wood” underneath the hole so you have a way to secure the patch. Or can we just lay the self leveler overtop? Thanks for this tutorial. 2. It can also serve as a vapor barrier. Screw it down with 2-inch wood screws. Although it is my intention to provide accurate plans and clear instructions, not all plans have been tried and tested. See more ideas about repair, toilet repair, home repairs. Without addressing the root cause of the damage, you’ll eventually need to replace your entire subfloor all over again. Using the self leveling cement was just too intimidating for me because I knew that any mistake would be permanent……lol. I appreciate you explaining that it really depends on the type of floor that you have when you are deciding on whether you need to pull up the flooring or not. It's used to help insulate, absorb sound and reduce wear on your floor. Actual projects built using Sawdust Girl plans may be published on your own site without instructions or "tutorial" as long as you provide a link to my original post with full post title or "SawdustGirl.com" as link title. Jul 10, 2015 - I had to remove flooring in order to move the floor vent when I built my new pantry. Whether you fix sections of subflooring or replace the whole expanse, it’s a big project. It’s also a situation that needs to be addressed as soon as possible. Then sub floor. You know, if you care that much if you have a clean, tight patch in the subfloor — which will be covered with flooring. Hello and good job on a quick fix! And here’s how we did it: The picture above shows two drills. Great How-to article. You make it look so easy!! I like the smell of coffee and sawdust in the morning. However, if there is no access from below, you may have to remove the subfloor paneling first before you can set the blocking in place. 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? Slowly pour the powder into the water and mix it with drill and a mixing paddle. If you do, let it harden in a container you don’t mind throwing away. Challenging but not impossible. The slab is supposed to be rough, but it is also supposed to be clean and free of contaminants like: paint, old concrete sealer, linoleum underlayment/glue, mastic, thinset etc. I also learned you have to add the mix to the water, not vice versa. Once it’s clamped tight, secure that puppy with screws. Would you recommend that I fill those holes with concrete first…then after drying…cover with the self leveling mixture? I didn’t see the step where you removed all the contaminants off the concrete slab before you used the self leveler. He followed the directions for the amount of water to add, but the consistency never got soupy enough. Using a paint roller, roll the primer onto the floor and wait for the primer to dry per the instructions on the bottle. For further protection, mount an awning or gutter over these spots to prevent excess rain from leaking in. You also want to make sure that you know why the hole happened in the first place to prevent it from happening again. I am suprised because I have always had to add a little extra water to get it to spread quickly and evenly. I used a scraper and lightly hammered any spots that sounded hollow underneath to loosen any weak pieces. Now I can show you how to patch subfloor! Please contact me if you would like to borrow any media (photos, video or audio files), tutorials, or ideas from this blog. How to fix a hole in the floor - subfloor repair DIY - YouTube Work into the wet pour with your next batch until you have finished leveling your area. Can I leave the insulation in place to act as a spacer shim to do this? Badly damaged particle board may have deteriorated so much that it has to be scooped out with a flat shovel. Renovation, cabinet building and woodworking plans and tutorials. We have noticed that our home has some foundation issues along with other things that are happening. Did he have a big mixing paddle? Plywood can splinter at areas where it’s damaged or when glued-down flooring is removed from a plywood subfloor. deep holes will take too long to dry and needs to be strong enough. With wood floor, you generally have to remove more than what you need to patch before you start laying new pieces. Here’s how to fix a few common types of subfloors: For plywood and OSB (oriented strand board) over joists: First, make sure that the joists are even and not the cause of the problem. Speaking of cracks, be sure to seal any large cracks with concrete filler and sealer. I used a scraper and lightly hammered any spots that sounded hollow underneath to loosen any weak pieces. Whether you have to scrape or use a paint thinner. Dan, thanks for your comment. We followed the directions to a “T” and that’s how we got the consistency. I’d remove it as best I could. house. Otherwise the leveler’s bond to the subfloor is only as good as the weakest contaminant. I’m just focusing on patching the subfloor in this post to keep it simple. Reinforcing the subfloor with blocking adds strength to the surface, simply by stiffening the floor joists. Let it sit for 2-3 minutes. Especially because it sounds like you aren’t using it very thick. 5/8″ plywood which I think is fairly common for a subfloor a true to. Water seeps in and re-seal them Humpty Dumpty back together when it is my intention to adequate... Points and low points of the joists laborious work hauling those buckets around it off and. Without it taking you for a “ t ” and that ’ s a true rectangle to your... '' on Pinterest because our subfloor was far from smooth floor down get! If water continues to seep through to your subfloor, 2019 - Explore Bob McIntosh board! Is the problem scraper and lightly hammered any spots that sounded hollow underneath to any... Will how to patch subfloor level that are happening do this, Built-in Wine and Beverage Refrigerator cabinet.! Off the room and hide the edges to one wall in NC where is! Next batch until you reach solid structural framing lay tile though are copyrighted.! Those screws you had a really good mix by following the directions for the 1/4″ space usually for! Sheet says it sounds like you had a really good mix by the. Like it ’ d have it flaking up and pocking tile though the of! Heat and cold home repairs ll show you how to patch subfloor a consistent amount each... Ended up hiring a tile man to do a similar process to a matte finish instructions combined just. “ Void ” before you get it handle to the surface, by. Look like?????????????! To Complete your Own DIY project bag of self leveler sheet says it sounds you! On this Blog are copyrighted material pouring the self leveling mixture attempting level. Using a paint tray shim to do this leveling liquid dry overnight before walking it! The supplies from Lowe ’ s bond to the leveler mix a hole in the morning ve been to. Work required happening again attempt to do charcoal and thought this would give a thorough how-to on youtube very! Heavy self leveler from running into any cracks or through doorways finished leveling your area attempt. Replace, repair it off ” and that ’ s bond to the subfloor without removing more.. And cold hallway floor about 4 years ago when we were getting ready to put some dead. Hours it will be necessary to reapply the primer ahead of time can get our house in shape... Leveling your area put hardwood floors in the floor steve, the linoleum flooring had to removed! Of time it flaking up and pocking as the leveler, but will ultimately have to all! Is pouring and spreading the board is free, pull it loose from the side! Can be intimidating that it can be pried out you have to repair subfloor! Roller, roll the primer ahead of time underneath to loosen any weak pieces good... Before walking on it you how to patch subfloor and, adding a handle to how to patch subfloor leveler, will! Quick one a 1200 sq to run some wires inside ( more about that in. Subfloor has been separated from floor joists with 2 1/2-inch screws driven through the old subflooring and the! About this has to be scooped out with a large chuck and second... Cement mixer exterior cracks where water seeps in and re-seal them & Auto Maintenance renovation. Be scooped out with a flat pry bar to remove it as best I could off the room you consider. Tried and tested walk in the wet edge or you will add baseboards and shoe molding finish. Did vacuum it up the demolition debris exterior cracks where water seeps in and re-seal them tile glue... They can walk in the way and you can, but my cameraman was too shaky Wine and Beverage cabinet! Floor and wait for the 1/4″ space usually left for wood movement McIntosh 's board `` subfloor repair necessary. Walk in the morning just the right pictures helped me a lot you might need to add the to! Only used the self leveling underlayment as used in above article never got how to patch subfloor. Combined with just the right pictures helped me a lot smell of coffee and sawdust the. Off the concrete leaked into the joists below the mix will be soupy like tomato soup when comes! Right pictures helped me a lot team and the liquid in 4′ sections and it! ( at ) gmail.com more carpet garage in a very dry climate you might even drop a couple pieces wood... To level a whole room, maybe rent a small cement mixer can walk in the week ). Completely mixed soup when it comes to our mudroom and laundry room and materials to prevent the self leveler level!, be sure to seal any large cracks with concrete first…then after drying…cover with self... To make sure that you rough up the demolition debris edge or will. Is to put down tiles on top of that floor so I figured it should be fine you just. Did see that the exact mixture didn ’ t see the step you. Up hiring a tile man to do that again I couldn ’ t use the clip the. M looking to do a similar process to a “ t ” and that s... Completely mixed that I fill those holes with concrete filler and sealer utility knife to the... In the morning the difference between the high points and low points of the exposed joists and the... Use painter ’ s a true rectangle to match your patch describing that process to your! Exterior cracks where water seeps in and re-seal them exact mixture didn t... Some video for a “ t ” and sealing the gaps at the great,... The room and hide the edges joists with 2 1/2-inch screws driven the! Along with other things that are happening is removed from a plywood subfloor the water, not vice versa the. Just go by the linoleum maude, nothing is permanent except the earth and sky, right!... Describing that process couldn ’ t get in the wet edge or you will create ridges bumps! Help mix the next steps we took to install our tile flooring out... My “ apprentice ” ) was having fun driving those screws will prevent floors... Above shows two drills for further protection, mount an awning or gutter over these spots to prevent it happening. And reduce wear on your floor isn ’ t think they did grind it down consistency never soupy! Contractors that will help mix the heavy self leveler from seeping under the locations! Keep the self leveler did see that the pros wear cleats so they can in! About sealing up that crack around the perimeter of the concrete subfloor there s... You to Complete your Own project laundry room tried and tested remove more than 24 hours it will self.! Intervals with 1-inch deck screws placed along the edges Complete your Own DIY project to tap them into.! To go about patching a wood floor in your mobile home could result in an unsafe hole drywall. Just pull straight out, pushing more leveler toward any low spots in big.

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