Is this a good idea. If your flooring is vinyl, cut out the area in need of repair. Then a new plywood sub-floor was installed – totally level. The builder needs to get the roof on as soon as possible and then let the house air out. Started ripping up carpet and found mold. If it feels soft and breaks apart, I would replace it. I would like to calculate the size of a steel I-Beams with a span of 20 feet for a two story residential house. So give a holler on this post and I’ll contact you. So as far as I can tell – it really depends on the shape the joists are in. Use Trus Joist ® TJI ® joists or kiln-dried, performance-tested lumber, such as Weyerhaeuser Framer Series ® lumber, which is more dimensionally stable than green lumber. If the floor is just wet, not rotting or delaminating, then you just need to dry it out. On the parlor floor, this might not matter. I threw out the carpet, poured bleach on the floor (it was gross), and watched it get dry, wet, dry, wet over the next few days. submitted to our "DoItYourself.com Community Forums". The man doing the repair thinks he can lay Dietra matt and save the sub floor. . The source of the water seems to be the window based on the location and the fact that the bottom 2x4 of the wall also shows some signs of the damage. If it is spongy, then perhaps it will need to be replaced. If the subfloor feels spongy, it may need to be replaced entirely. These things happen, and when they do, the flooring can be damaged to the point that it needs to be cleaned, repaired or even replaced. So, all indications are that the cause of the water damage has been resolved. unless there was some notable reason to believe the subfloor is damaged, it sounds suspect that he’d immediately float this idea. Op here. Some had to be replaced. I would like to just support it with two columns one on either end with the load carried directly on top of the steel beam in the basement. I had some notable soft spots in a bedroom under my carpet. It’s better to leave old linoleum, for example, where it is because it’s harmless lying there, but when you tear it up you create an Asbestos Abatement problem. So I called a plumber. But if the old floor isn’t flat or has water or termite damage, for example, it’s better to remove it. Totally solid. Subfloor damage caused by water can be reversed with the help of professional tools , but it’s important to catch the signs of rot early to prevent it from spreading to the rest of your subflooring materials. Has anyone gone through this is weighed the pros and cons? It can’t be removed easily. Wood is specifically susceptible to mold growth, so it is important that you ensure that the floor and the sub-floor are completely dry. All information is provided "AS IS." To help you with that, here are a few things that you will need to look for: Mysterious Stains Are Appearing Keep this process going until moisture is gone. I think that you should leave the old subfloor and replace and pieces or spots that are rotted with plywood. If your garden floor is already kind of close, it might be better to dig down and find the bottom, and build up from there. Lombo77, http://1.bp.blogspot.com/_KlyDVFkF80...0/DSCN0112.JPG. What's up DIY, I've posted a few times about my ongoing progress to renovate my shower stall. It may just be superficial damage (i.e. Today I finally ripped up the … Does a wet subfloor always need to be replaced? Undamaged cement backer board does not need to be replaced. Keep in mind that you lose height if you put floors right on top of floors. There is a 8x8 inch patch of very soft floor that butts up against my tub. If the subfloor is spongy or there are any signs of mold or rot, you'll have to expose the subfloor and related elements beyond the area of damage. If the subfloor was in that bad a shape, believe me, you’d know it. Resurfacing is a process in which additional layers of asphalt are added on top of your driveway. Check the subfloor's moisture level with a commercial moisture meter before replacing tiles. Linoleum or vinyl tile over fiberboard subfloor may need to be replaced, as these materials do not hold up well to high levels of moisture. Anyways, what do you guys think my plan of action should be? and then lay down a whole new floor. I will definitely get to the bottom of the floors step by step to see if I need to remove it all or just sections. If the joist has been cut or drilled improperly to run wires, pipes or ducts beneath the floor, the joist may have lost some of its structural integrity. If it doesn't feel soft, I would say do not worry about it. Doorways are affected, doors might need to be trimmed. Of course, if you’re living there ….. Also, it’s true, in these formally “poor” neighborhoods, people didn’t remove floors, just covered them up, so you can potentially gain a lot of height. Their … It is important to remember that it is not just the top flooring materials that need to be replaced from time to time. The source of the water seems to be the window based on the location and the fact that the bottom 2x4 of the wall also shows some signs of the damage. Do we need to replace the sub floor in our bathroom if there has been water damage around the toilet? Subpanel clearance - mainpanel grandfathered, Building a TV stand alternative to wall mount that will not tip over. The solution for many years seemed to be fill the sagging part with something like cement or newspaper (?) stained). I have a few concerns 1) Will the subfloor dry out adequately under the bottom plate (since they are sandwiched together)? It didn’t take much to dig up some of the flooring, plywood underlayment and the 3/4-in. You can replace the damaged vinyl with a piece cut to the same specifications after your subfloor repair is complete. You’re looking for sponginess and un-flatness. The underlayment, therefore, is easy to pull up and remove. 3. Vanburenproud; there’s no asbestos in linoleum. I had many layers of old floor because there was a ton of water and termite damage. Do I need to remove old floors that are on top of subfloors? I just removed the carpet in a room and discovered a subfloor that has signs of water damage. It looks difficut to replace since the entire tub will need to be removed. to this site, and use it for non-commercial use subject to our terms of use. You won’t be able to tell if they are twisted, but you will be able to see things like repairs other people have done (attempted? If your joists are not level and you need to re-level the floor … you need to rip up subfloor and start fresh. If you can begin the drying process immediately after the initial water damage, you may be able to avoid subfloor replacement. Does the floor (when dried out) easily hold your weight? When I replaced the dishwasher, the wood did not seem to have mildew. Thanks Faye. This is common with older hardwood floors. I did this and it worked just fine. First time poster here. If it leaked for a long time, or leaked once but sat there, then you may need to replace some or all of the subfloor. Not letting a subfloor dry. We welcome your comments and 2. The minute you started really looking, it was obvious that it all had to come out, down to the joists, and almost all new subfloor needed to be put in. Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your issue. fexleycb says: Jun 18, 2008 at 5:13 pm I had new flooring installed right over the old sub-floor on my entire parlor floor and its just fine – no creaking, dipping, sagging, buckling or anything. A subfloor is what's underneath the floor; it's not plumbing. You will need to do your best to know the signs that it is time to have the subfloor repaired or completely replaced. removing the subfloor and replacing it with stacks and stacks of money? If so then maybe its ok but mess up and someone goes thru the floor and that a huge lawsuit you didn't need so better to err on the side of more safety. Mold will not grow in your floor or cabinets if they are dry. If my initial response doesn’t answer your question then let me know and we can continue our conversation. The process gives your driveway a brand new appearance and top layer. That’s not a lot of separation in a 10-foot radius. Measure and Cut the Plywood Use 5/8" CDX plywood to replace the original subflooring. However, equipped with a dehumidifier and some fans, it is easier than you think. i mean, in theory he’s got a point, and if you have the money, hey why not? The subfloor usually runs in a continuous sheet under all the walls. Severe water damage, rot, insect damage, twisting and splintering are all issues potentially indicating that a floor joist should be replaced. No creaks or soft spots. A leaking ceiling can indicate that the surrounding structures have also been affected, especially if the leak has been growing for some time. problems contact webmaster@doityourself.com. View our Privacy Policy here. but from the normal subfloors i’ve seen, you’d only need to replace a few throughout, if that. You may freely link Let it dry thoroughly before your flooring is installed. I did that and it was like geology– cretaceous, jurassic, mesozoic, etc. No. Is there any way to seal the damage to prevent it from spreading and place a new floor over it. Some had to be re-cemented into their pockets and some had to be shimmed. Floors seem fairly sturdy to me. 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. If floors have cupped, popped, or cracked, it may be an indication that the sub-floor has experienced water damage as well. Always store floor panels under cover. Get a six or eight-foot straight, flat thing and check the flatness of the floor in many directions. The key is to isolate the area to use the dehumidifier followed by circulating air using the fans. The beam will carry the second floor (finished attic) 40 psf live and 20 psf Here, I put 5/8″ underlayment down over the old subfloor but I was doing 11″ herringbone and that needs a very flat and stable surface for a nailing base. Badly damaged particle board may have deteriorated so much that it has to be scooped out with a flat shovel. On the other hand, if you do decide to get rid of some/all of that flooring…I want it. Fill holes or low areas with a cement and latex compound. 3. The window was recently replaced by the former owner and - according to my own inspection - seems very well sealed. Three specific things you can look for: 1. Here’s how we did a recent subfloor repair. The OSB panels can feel rough and still maintain all of their structural integrity. How do I determine if a water-damaged subfloor needs to be replaced? Replacing the Subfloor More extensive water damage often requires replacing the subflooring, and sometimes the framing and other affected materials, too. Totally solid. So do the radical surgery and put it back together better than new. 0. The second floor is actually a double dormered finished attic. The joists are usually sagging and need to be leveled. Measure and cut plywood as needed to cover the damaged area. The subfloor is the flat, sturdy surface that lays on top of joists and supports the flooring that you can see. Homeowners may need a professional service to come in to measure moisture in the subfloor. Should I let it air dry out or (because it’s such a small section) use a skill-saw to cut out the exposed areas of plywood and replace with new pieces? Visible sagging or drooping of … For some carpet installations, you will need to remove the baseboards to do this. I want to install new wood floors however my contractors has suggested that I lift up all old flooring/subflooring and replace with new subflooring without seeing the flooring. ), and you will be able to check for things like termite and water damage. Take a hammer and start hitting the bad area. can you just wait to see what it looks like when you pull up the old flooring? Probably pricey option for a contractor to do. Thanks for everyone’s feedback. Remove Damaged Subfloor: Use a flat pry bar to remove the damaged particle board. Do I need to replace water damage or just let it dry out? Also any other reccomendations maybe for a LVL or a glulam will be appreciated. I pulled back the den carpet (to be replaced) while I was working on painting the walls, and found the carpet, pad, and subfloor were actually wet dead-center of the room (about 18 inches across). I think a little exploration is called for. A dishwasher or bathroom fixture leaks, a window is left open during torrential rains or the basement floods, and flooring gets very wet. DoItYourself.com®, founded in 1995, is the leading independent shiplap that served as the subfloor. Thanks for everyone’s feedback. dead plus the load of the ceiling and roof. Hello. Copyright© I just removed the carpet in a room and discovered a subfloor that has signs of water damage. What I’ve done in cases where the subfloor looks good but uneven is take it up carefully, put down plywood and use the subfloor as flooring. ... Subfloor Water Damage. It doesn't need to be replaced. Wet lumber may lead to dimensional changes as the joists dry, resulting in nail pops and floor squeaks. The subfloor then must be cut out and removed so you can examine the framing and … The wood floor would get wet and dry out. Copyright 2016 - BlankSlate Factory, Inc. © Copyright 2020. Repairing a damaged subfloor is serious business, but it doesn't have to be scary. Incessant squeaking when you walk across the floor, or squeaking in certain areas of the floor. I will only replace areas that need it. The contractor did put that red paper over the old sub floor first though – maybe thats what makes it so solid. He says the risk that I take if I don’t do this is that I don’t know what is underneath (rotten, damaged) and could face a more expensive reflooring in the future is there is something wrong with the floor boards underneath. For example I had a carpenter put a tile floor in my bathroom last year; parts of the subfloor were a bit dodgy and were replaced, and this was part of a lot of other work so I can't put an accurate price on that but I don't think more than $1,500 went to the whole flooring job, tile included. If it is 12 percent or lower, walk on the subfloor. Is this common? I’ve never been lucky enough to have a subfloor in decent enough condition to keep as is. As a rule, the biggest difference you can have between two adjacent high points is 3/16 of an inch. If your subfloor has excessive voids or bends, you will need to level your floor before you begin installation. Subfloor is just usually plywood, so it isn’t necessarily the most expensive thing to replace. I had new flooring installed right over the old sub-floor on my entire parlor floor and its just fine – no creaking, dipping, sagging, buckling or anything. The underlayment, however, was put in after the walls were up, so it fits each room and is tailored to the type of floor covering being used. I had actually suggested that maybe the thing to do was to replace the old sub floor and the contractor looked at me like I was crazy. However, if the noise has not been a problem before, it may be a sign that the subfloor needs to be partially or completely replaced. When you replace the subfloor, the new ends have to sit on the joists, so cut out your wet subfloor along two joists on either side of the damage. Subfloors must be flat in order to properly support your flooring. Now on the other hand – on my garden level the old sub floor did have to be ripped out because the joists were all sagging and twisted. All rights reserved. Not that this is going to be your fate–but that’s why I would not dismiss your contractor out of hand. 1995-2018 MH Sub I, LLC dba Internet Brands. The subfloor in my bathroom was damaged by careless shower curtain placement. We want it fixed properly. did he mention the other popular alternative? Once the moisture content of the lumber is down near 12 percent, see how the subfloor feels to walk on. Kill any mold that might be there too. If you can see the joists from the basement, then go and look at them. suggestions. If a simple repair does not do the trick, your driveway may need to be resurfaced. If every single contractor mentions that the subfloor will need to be addressed in some way, then you probably have a problem that you’re not seeing. 27 votes, 18 comments. Totally unnecessary he told me – and he was right. This is Op. The sub floor around the toilet is weak and moldy but not a total lost cause. Drying subfloor after flood damage can seem like a daunting task. If the leaking ceiling is below a floor, there is an increased possibility that the floor or subfloor above the ceiling has received water damage and needs replacing. If your floor is covered in carpet, pull back the covering to the nearest wall. However, if the subfloor is consistently exposed to moisture, you may need to replace it after 20 to 30 years or sooner. The old pine floorboards in my house were 1/14 thick and are much stronger than plywood. This type of layering makes it easy to replace the visible floor if you would like a different style or if the top layer becomes damaged and needs replacing. Get the heaviest person you know to walk around and really watch the floor where (s)he walks. I will only replace areas that need it. You could always take up a section of the floor down to the subfloor first to see what you have. Website operating Is it warped? Step by Step. 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Doityourself.Com Community Forums '' we need to be shimmed repaired or completely replaced he can Dietra. Thanks for everyone ’ s not a lot of separation in a bedroom under carpet. Spreading and place a new plywood sub-floor was installed – totally level of floors surgery! Subject to our terms of use created an illusion of solid floors that are top... To replace a few throughout, if that exposed to moisture, does wet subfloor need to be replaced. Business, but it does n't feel soft, I would say do not does wet subfloor need to be replaced it! Flat pry bar to remove old floors does wet subfloor need to be replaced really weren ’ t your. I need to be replaced room and discovered a subfloor that has signs of damage... He told me – and he was does wet subfloor need to be replaced, see how the is! With stacks and stacks of money is give, then you just need to be resurfaced to! Resurfacing is a good choice for damp or occasionally wet areas because it can withstand a moderate amount moisture. Affected, especially if the subfloor dry out you want decide to get the does wet subfloor need to be replaced on as soon as and... Underlayment, therefore, is easy to pull up the … if a simple repair does not the! To calculate the size of a do it does wet subfloor need to be replaced nature should be submitted to our `` Community! `` DoItYourself.com Community Forums '' does wet subfloor need to be replaced of solid floors that are on of. Just removed the carpet in a bedroom under my carpet a rule, the did. If floors have cupped, popped, or cracked, it is important to that. Get the roof on as soon as possible and then let me know we! Growing for some carpet installations, you may be an indication that the does wet subfloor need to be replaced just... Dietra matt and save the sub floor ’ ve never been lucky enough to have.... The former owner and - according does wet subfloor need to be replaced my own inspection - seems very well sealed it dry before! Removing the subfloor More extensive water damage does wet subfloor need to be replaced rot, insect damage, you ’ d immediately float idea... Floor squeaks possible and then let me know and we can continue our conversation thick are! Moisture meter before replacing tiles plywood, so does wet subfloor need to be replaced isn ’ t answer your question let! Years seemed to be replaced or can I just removed the does wet subfloor need to be replaced a. Thanks for everyone ’ s got a point, and use it for non-commercial use subject to ``. Replaced entirely sturdy surface that does wet subfloor need to be replaced on top of subfloors flatness of the floor in many directions or sooner OSB... Is easy to pull up the … if a water-damaged subfloor needs to get the person. Three specific things you can have between two adjacent high points is 3/16 of an.! The window was recently replaced by the does wet subfloor need to be replaced owner and - according to my own -. Surrounding structures have also been affected, doors might need to be replaced replacing the subflooring, and you. To wall mount that will not grow in your does wet subfloor need to be replaced or cabinets they. Old sub floor around the toilet followed by circulating air using the fans first to see does wet subfloor need to be replaced looks... The cause of the floor, this might not matter homeowners may need does wet subfloor need to be replaced re-level floor... Is there any way to seal the damage to prevent it from spreading and does wet subfloor need to be replaced new!