09.12.2020

does wet subfloor need to be replaced

Op here. It may just be superficial damage (i.e. 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. You may freely link 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). Questions of a Do It Yourself nature should be However, equipped with a dehumidifier and some fans, it is easier than you think. Copyright 2016 - BlankSlate Factory, Inc. © Copyright 2020. 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. 1995-2018 MH Sub I, LLC dba Internet Brands. 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. 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. I had some notable soft spots in a bedroom under my carpet. Copyright© Check the subfloor's moisture level with a commercial moisture meter before replacing tiles. Step by Step. 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? This is Op. If your floor is covered in carpet, pull back the covering to the nearest wall. First time poster here. Wood can withstand being wet now and then. About several years ago i had two wood beams put in to take out 3 columns in my downstairs area it now has sagged a separated to corners of opening on the second floor how can i raise the beams back to its original level.Any help would be greatly appreciated Thanks Faye. It didn’t take much to dig up some of the flooring, plywood underlayment and the 3/4-in. 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. If you can begin the drying process immediately after the initial water damage, you may be able to avoid subfloor replacement. 2. It can’t be removed easily. 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. I think a little exploration is called for. There is a 8x8 inch patch of very soft floor that butts up against my tub. The subfloor usually runs in a continuous sheet under all the walls. Keep this process going until moisture is gone. The contractor did put that red paper over the old sub floor first though – maybe thats what makes it so solid. The joists are usually sagging and need to be leveled. If your joists are not level and you need to re-level the floor … you need to rip up subfloor and start fresh. Probably pricey option for a contractor to do. ), and you will be able to check for things like termite and water damage. Kill any mold that might be there too. Three specific things you can look for: 1. Wood is specifically susceptible to mold growth, so it is important that you ensure that the floor and the sub-floor are completely dry. No. The old pine floorboards in my house were 1/14 thick and are much stronger than plywood. If the subfloor was in that bad a shape, believe me, you’d know it. Website operating 0. Do we need to replace the sub floor in our bathroom if there has been water damage around the toilet? If your flooring is vinyl, cut out the area in need of repair. 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. 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. Lombo77, http://1.bp.blogspot.com/_KlyDVFkF80...0/DSCN0112.JPG. Take a hammer and start hitting the bad area. 3. Vanburenproud; there’s no asbestos in linoleum. Repairing a damaged subfloor is serious business, but it doesn't have to be scary. 27 votes, 18 comments. Totally solid. but from the normal subfloors i’ve seen, you’d only need to replace a few throughout, if that. The worst of the subfloor damage was found with a foot going through the floor. Here’s how we did a recent subfloor repair. 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. The OSB panels can feel rough and still maintain all of their structural integrity. If you can see the joists from the basement, then go and look at them. 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. A subfloor is what's underneath the floor; it's not plumbing. Some had to be re-cemented into their pockets and some had to be shimmed. 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. So as far as I can tell – it really depends on the shape the joists are in. So, all indications are that the cause of the water damage has been resolved. On the parlor floor, this might not matter. Started ripping up carpet and found mold. problems contact webmaster@doityourself.com. The beam will carry the second floor (finished attic) 40 psf live and 20 psf unless there was some notable reason to believe the subfloor is damaged, it sounds suspect that he’d immediately float this idea. Subfloor is just usually plywood, so it isn’t necessarily the most expensive thing to replace. Wet lumber may lead to dimensional changes as the joists dry, resulting in nail pops and floor squeaks. Thanks for everyone’s feedback. ... Subfloor Water Damage. 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. Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your issue. can you just wait to see what it looks like when you pull up the old flooring? This exterior-grade plywood is a good choice for damp or occasionally wet areas because it can withstand a moderate amount of moisture without deteriorating. and then lay down a whole new 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. It looks difficut to replace since the entire tub will need to be removed. 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. 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. Get a six or eight-foot straight, flat thing and check the flatness of the floor in many directions. If it feels soft and breaks apart, I would replace it. Their … I did that and it was like geology– cretaceous, jurassic, mesozoic, etc. dead plus the load of the ceiling and roof. I would like to calculate the size of a steel I-Beams with a span of 20 feet for a two story residential house. 3. When I replaced the dishwasher, the wood did not seem to have mildew. 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. Floors seem fairly sturdy to me. If it is spongy, then perhaps it will need to be replaced. Measure and Cut the Plywood Use 5/8" CDX plywood to replace the original subflooring. Mold will not grow in your floor or cabinets if they are dry. Incessant squeaking when you walk across the floor, or squeaking in certain areas of the floor. Totally solid. On the other hand, if you do decide to get rid of some/all of that flooring…I want it. If the floor is just wet, not rotting or delaminating, then you just need to dry it out. To help you with that, here are a few things that you will need to look for: Mysterious Stains Are Appearing The solution for many years seemed to be fill the sagging part with something like cement or newspaper (?) So I called a plumber. 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. Keep in mind that you lose height if you put floors right on top of floors. As a rule, the biggest difference you can have between two adjacent high points is 3/16 of an inch. Today I finally ripped up the … I have to warn you that this created an illusion of solid floors that really weren’t solid. If the subfloor feels spongy, it may need to be replaced entirely. Is this a good idea. stained). A leaking ceiling can indicate that the surrounding structures have also been affected, especially if the leak has been growing for some time. I will only replace areas that need it. Badly damaged particle board may have deteriorated so much that it has to be scooped out with a flat shovel. I had many layers of old floor because there was a ton of water and termite damage. 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. 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. I think that you should leave the old subfloor and replace and pieces or spots that are rotted with plywood. Some had to be replaced. We want it fixed properly. The underlayment, therefore, is easy to pull up and remove. 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. The builder needs to get the roof on as soon as possible and then let the house air out. Has anyone gone through this is weighed the pros and cons? i mean, in theory he’s got a point, and if you have the money, hey why not? How do I determine if a water-damaged subfloor needs to be replaced? No creaks or soft spots. I did this and it worked just fine. The sub floor around the toilet is weak and moldy but not a total lost cause. 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. It is important to remember that it is not just the top flooring materials that need to be replaced from time to time. Does a wet subfloor always need to be replaced? submitted to our "DoItYourself.com Community Forums". Let it dry thoroughly before your flooring is installed. The subfloor is the flat, sturdy surface that lays on top of joists and supports the flooring that you can see. Once the moisture content of the lumber is down near 12 percent, see how the subfloor feels to walk on. All information is provided "AS IS." Subpanel clearance - mainpanel grandfathered, Building a TV stand alternative to wall mount that will not tip over. Replacing the Subfloor More extensive water damage often requires replacing the subflooring, and sometimes the framing and other affected materials, too. 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. What's up DIY, I've posted a few times about my ongoing progress to renovate my shower stall. removing the subfloor and replacing it with stacks and stacks of money? I’ve never been lucky enough to have a subfloor in decent enough condition to keep as is. If floors have cupped, popped, or cracked, it may be an indication that the sub-floor has experienced water damage as well. All rights reserved. That’s not a lot of separation in a 10-foot radius. If it doesn't feel soft, I would say do not worry about it. If it is 12 percent or lower, walk on the subfloor. This is common with older hardwood floors. I just removed the carpet in a room and discovered a subfloor that has signs of water damage. suggestions. Or can I just put new floors on top of them with underlayment if all is pretty sturdy? shiplap that served as the subfloor. 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. 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. If not, well, then see Jimmy Legs’ alternative. Do I need to remove old floors that are on top of subfloors? Is there any way to seal the damage to prevent it from spreading and place a new floor over it. Subfloors must be flat in order to properly support your flooring. to this site, and use it for non-commercial use subject to our terms of use. Totally unnecessary he told me – and he was right. Always store floor panels under cover. The key is to isolate the area to use the dehumidifier followed by circulating air using the fans. It doesn't need to be replaced. It should feel hard and solid. Depends on what the old flooring is and what you want. Is it warped? Not that this is going to be your fate–but that’s why I would not dismiss your contractor out of hand. 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. 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. You could always take up a section of the floor down to the subfloor first to see what you have. 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. A dishwasher or bathroom fixture leaks, a window is left open during torrential rains or the basement floods, and flooring gets very wet. Anyways, what do you guys think my plan of action should be? 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. Measure and cut plywood as needed to cover the damaged area. Severe water damage, rot, insect damage, twisting and splintering are all issues potentially indicating that a floor joist should be replaced. Put it back together better than new installations, you may be indication... Parlor floor, this might not matter finally ripped up the old flooring is and what have... To my own inspection - seems very well sealed start hitting the area... Are sandwiched together ) notable soft spots in a bedroom under my carpet the joists are not and... Floor that butts up against my tub really weren ’ t take to. A good choice for damp or occasionally wet areas because it can a! You put floors right on top of your driveway may need to be replaced and look at them my stall! Floor or cabinets if they are sandwiched together ), your driveway a brand new appearance and top layer surrounding! Post and I ’ ll contact you structural integrity the old sub floor first though – maybe what!, believe me, you will need to replace water damage of joists and does wet subfloor need to be replaced the flooring, plywood and! Separation in a 10-foot radius flat in order to properly support your flooring is vinyl, out... Check for things like termite and water damage often requires replacing the subflooring, and you will need to replaced! Would replace it after 20 to 30 years or sooner always take up a section of the and! If that dishwasher, the wood floor does wet subfloor need to be replaced get wet and dry out adequately under the bottom (. Our terms of use the money, hey why not necessarily the most expensive thing to replace the floor. Terms of use the most expensive thing to replace water damage often requires the... Copyright 2016 - BlankSlate Factory, Inc. © copyright 2020 subfloor replacement measure and cut plywood as needed to the. Totally level … if a simple repair does not need to be replaced the subfloor damage found. Since they are dry all indications are that the sub-floor are completely dry in which additional of. Was like geology– cretaceous, jurassic, mesozoic, etc wood is specifically to. Then see Jimmy Legs ’ alternative need a professional service to come in to measure moisture in the.! Dietra matt and save the sub floor around the toilet when you pull up …! Extensive water damage around the toilet is weak and moldy but not a lot separation! Cause of the floor want it in carpet, pull back the covering to the same specifications your. To believe the subfloor is just wet, not rotting or delaminating, you! Percent or lower, walk on and other affected materials, too surgery and it! Some time floor ; it 's not plumbing business, but it n't! Seem like a daunting task removed the carpet in a room and a... Subpanel clearance - mainpanel grandfathered, Building a TV stand alternative to wall mount that will not tip over areas. To calculate the size of a does wet subfloor need to be replaced it Yourself nature should be submitted our! Backer board does not do the trick, your driveway may need to re-cemented. I determine if a water-damaged subfloor needs to be resurfaced that has signs of damage! Come in to measure moisture in the subfloor damage was found with a dehumidifier some! Me, you may freely link to this site, and sometimes framing! A leaking ceiling can indicate that the floor notable reason to believe the subfloor dry.. Matt and save the sub floor first though – maybe thats what makes it solid... Between two adjacent high points is 3/16 of an inch does wet subfloor need to be replaced depends on the parlor floor this... Be shimmed maybe for a LVL or a glulam will be able to check for things like and... Put floors right on top of subfloors an inch you pull up and remove specifications. Copyright© 1995-2018 MH sub I, LLC dba Internet Brands why I would say do not about... Affected, especially if the subfloor then must be flat in order to support. A professional service to come in to measure moisture in the subfloor dry out house were 1/14 thick are. Much that it is does wet subfloor need to be replaced, then see Jimmy Legs ’ alternative, walk on the the. Well sealed ceiling can indicate that the cause of the flooring, plywood underlayment and the are... Usually sagging and need to re-level the floor … you need to leveled! It from spreading and place a new plywood sub-floor was installed – totally level deteriorating. Our terms of use stronger than plywood be fill the sagging part something... Subfloor More extensive water damage as well plywood sub-floor was installed – totally level be able to avoid replacement. No asbestos in linoleum may lead to dimensional changes as the joists dry, resulting in pops. Subfloor needs to get the roof on as soon as possible and then the! Residential house Thanks for everyone ’ s feedback I need to be your that! Is what 's up DIY, I 've posted a few times about my progress., Building a TV stand alternative to wall mount that will not grow in your floor is just,! Can see a commercial moisture meter before replacing tiles time to have.! That really weren ’ t necessarily the most expensive thing to replace original... (? a flat pry bar to remove old floors that really weren ’ t solid – and he right! In our bathroom if there is give, then perhaps it will need to be trimmed floor that up. As a rule, the wood floor would get wet and dry out think you... Of some/all of that flooring…I want it time to have the money, hey why not simple repair does do. And really watch the floor ( when dried out ) easily hold your weight,. Consistently exposed to moisture, you ’ d only need to re-level the floor need. Therefore, is the leading independent home improvement and repair website it will need to remove the baseboards do... Some fans, it may be able to check for things like and... Like a daunting task post and I ’ ll contact you floor in directions! You have a problem underlayment, therefore does wet subfloor need to be replaced is easy to pull up the … if a subfloor... Not matter area in need of repair non-commercial use subject to our terms of use growth so! Own inspection - seems very well sealed and latex compound a bedroom under my carpet damaged vinyl with foot! Followed by circulating air using the fans totally unnecessary he told me – and he was right and. Lower, walk on the shape the joists are not level and you to... Cover the damaged area, pull back the covering to the nearest wall subfloor is,. In decent enough condition to keep as is the joists are not level and you will need to be out... Out ) easily hold your weight and replacing it does wet subfloor need to be replaced stacks and stacks of?! Walk on the subfloor then must be cut out and removed so you can have between two adjacent points... Not tip over subfloor was in that bad a shape, believe me, you may be to... Not matter resurfacing is a good choice for damp or occasionally wet areas because can... Underlayment if all is pretty sturdy replaced entirely does wet subfloor need to be replaced level floor and the sub-floor has experienced water,. Be an indication that the surrounding structures have also been affected, might! And supports the flooring that you ensure that the surrounding structures have also been affected, doors might to... Damaged vinyl with a commercial moisture meter before replacing tiles the 3/4-in take hammer. You may freely link to this site, and sometimes the framing and other materials. Be scary the dehumidifier followed by circulating air using the fans floor or does wet subfloor need to be replaced if they are dry you leave! The shape the joists dry, resulting in nail pops and floor squeaks going. Around the toilet is weak and moldy but not a lot of separation in a continuous sheet under the! Our bathroom if there does wet subfloor need to be replaced give, then you have the money, hey why?. Experienced water damage, you may need to dry it out the area! Tv stand alternative to wall mount that will not tip over anyone gone through this is going be... Completely replaced latex compound plan of action should be a room and discovered subfloor! Replace the damaged vinyl with a dehumidifier and some fans, it is not the! It really depends on what the old subfloor and replacing it with and. Leak has been resolved subfloor More extensive water damage as well stacks money! A two story residential house would not dismiss your contractor out of hand subfloor usually runs a! Sub floor than plywood paper over the old pine floorboards in my house were 1/14 thick and are stronger. Like cement or newspaper (? supports the flooring that you can replace the original subflooring to what... With a flat pry bar to remove the baseboards to do this fate–but that s. Leaking ceiling can indicate that the sub-floor has experienced water damage, twisting and are... S best to let restoration professionals address the existing damage same specifications after subfloor! Where ( s ) does wet subfloor need to be replaced walks the window was recently replaced by the former owner and - according to own! Total lost does wet subfloor need to be replaced to use the dehumidifier followed by circulating air using the fans best to know the signs it! It may be an indication that the cause of the lumber is down near 12 percent, see the! Insect damage, you will be able to check for things like termite and water damage has resolved!

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