Some of the causes of installation related cupping are: Underlayment and/or subfloor that is too wet at the time of installation will cause wood floor cupping. We'll discuss each construction separately, as the dynamics are different. Hello Mr Spangler, The mechanism that causes swelling can be understood by looking at the cellular structure and organization in wood. Without active measures, it can take months. If the MC is increased, the wood will swell, just as it does when liquid water is introduced. Ran fan over the top of the area for days. The water and area rugs where there for all of ten minutes if that and nothing else is leaking. In Conclusion. For example, if the cupping happened due to humidity from an especially wet summer and you sanded down the cupped areas, when the air dries out the wood can warp the other way, causing crowning. It’s very likely they will not return to normal. RELATED: How to Prevent Wood Floor Gaps in Winter. Thanks for the question and sorry for the problems. We have some doubts about the inspector’s honesty because his report makes no mention of our comments on the installation. While cupping can remain after a severe event like flooding, persistent cupping is worth investigating. Solid and engineered wood flooring can both cup. Your email address will not be published. Is that possible when boards are split and crack along with cupping. the contractor has used polyurethane glue to put down the hardwood floors on the slab. The resulting cupping is easily seen. Am I looking at weeks? The planks are not nailed within 2 inches of each end or every 4-6 inches. I am on it. Wood floor cupping or when boards turns up on the edges. If you try to sand a cupped floor flat while its moisture content is still too high, the floors … I live in Los Angeles where we don’t get adverse humidity. Remember we sprayed the entire floor with the foam. Hardwood floors are very durable, however, excess moisture is their worst enemy. In warm climates, air intrusion below a conditioned space, moist crawl spaces or inappropriately sized air conditioners can all cause moisture problems. Hardwood Floor Cupping Problems? Upon delivery of the flooring to the jobsite, recheck and record the temperature and relative humidity in the space receiving the wood floor. I’ve also been running a dehumidifier in the house and the relative humidity has been around 50 or 55. Changes in the relative humidity and temperature in the occupied space, the crawlspace, or both. Your email address will not be published. The floor has lifted and everyday the lifting is a little larger. The Effect of Humidity and Moisture on Wood Floors. Usually problems with buckling or cupping in a wood floor are caused by excessive humidity inside or under your house. How long do we wait to see if the area increases or improves more? but the floorboards are clear off the subfloor! Cupping was an unavoidable result in this uncontrolled environment. The house has central air. I have Brazillian teak 3/8 thick solid wood floor, glued to slab foundation. Hello, It’s most common for moisture to enter the floorboards from below, through the subfloor. It prob sat for 15mins. In short, moisture. Here are some warning signs that suggest you may need some help with humidity. Knowing the answers to the above question may help lead to the reason. The part where the kitchen, dining room and living room are located is a concrete slab. They were perfect. 1) Do you know if exterior moisture from cementing can get under your foundation and create cupping? Hardwood floors cup because of the differential in moisture content between the bottom, unfinished surface of a floor-board and the top, finished surface of the floorboard in a conditioned living space. Also, there are plenty of rooms that are just fine. By the time I got rid of all the running water everywhere, I removed the area rugs (I have two as I live in a studio apartment). At the seller’s request, an NWFA inspector recently came to our house to do several tests and came to the conclusion that the humidity level was high in our house. We built our home over 30 years ago. We noticed cupping over the whole house last summer. I’m so bummed since this is a brand new home. Are the summer conditions in this space different that the winter conditions? Solid wood floors and engineered boards can both suffer from cupping, although moisture has a different effect on each type of flooring. We remodeled our house 3 years ago. E. When the wood flooring is to the expected in-use (e.g., normal living) and manufacturer’s required ambient conditions within the facility, and this coincides with the subfloor moisture conditions, and these conditions are being maintained, the flooring may be installed immediately. Probably the best way to find this out is with a thermo-hygrometer of some type. Feel free to use pics! During the first week of December 2019, we installed new Cumaru wood flooring throughout the house.Our house is divided on 2 levels, divided by a mini staircase. I’m facing a similar situation. All drywall in garage was soaking wet and was removed almost immediately. We installed hickory 5″ x 3/4 ” think floors in our Maine home. The reason the floors are cupping is that the cellulose in the wood is absorbing moisture and expanding. Running a fan or small dehumidifier on your own can decrease the time it takes to dry the floor out . Very noticeable cupping will occur within a few days. We are using what is called “tenting” drying technique to reduce the amount of cubic footage in the room to dry the space. Thanks for the question. Well it’s summer again and the whole house has cupped again. Removal of drywall from garage ceiling allowed drying of living area subfloor from below. Milling engineered flooring with more of the backer above the groove (lowering the groove) can lessen the problem of the flooring deforming when it is dried. Absolute Coatings GroupAbsco Quick Dry Penetrating Wood ... Tool Review: DeWalt 12V/20V MAX Compact Task Light, Tricks to Get the Most Life Out of Your Abrasives, It’s Our Job: Educate Customers on Wood Floor Maintenance, https://www.nortonabrasives.com/en-us/markets/floor-sanding?utm_source=Wood%20Floor%20Business. The Ivation dehumidifier can remove 50 pints of moisture a … You may notice small, raised ridges along the edges of some of the planks in the floor. Try a dehumidifier and see. Floors are 7 years old. This is the opposite of cupping, where the center of the board rises, creating an inverted U shape. 99% of the time that moisture is coming from beneath the sub-floor. Andrew St. James, Ph.D., works in technical services for Micanopy, Fla.-based Goodwin Heart Pine. Too much indoor humidity for an extended period will create the adverse effects of cupping and crowning. Now that a year has passed and no settling has taken place to resolve this situation are there any options short of completely replacing the floors that you could suggest. The hardwood has roofing paper under it, probably 15 lb. I have lived here with no problems with me oak floors for 4 years but did have some fungus. Prolonged moisture issues can lead to many types of flooring failures, so it pays to be safe. We have cupping on our hardwood floors just around the dishwasher. High levels of humidity can cause hardwood flooring to expand significantly, sometimes causing the affected boards to lose their structural integrity and crack. But once again, the moisture problem that caused the cupping has not been dealt with. Install flooring only after the wood and site have reached proper moisture conditions they will see in service. It’s no revelation that standard hardwood floors are challenging to maintain. C. Upon delivery of the flooring to the jobsite, recheck and record the MC of the subfloor. Swelling is the largest in the tangential direction, which is across the face of plainsawn flooring or across rotary-peeled faces. So water sat on hardwood floor for no more than 24 hours. Good luck. Depending on how much moisture, and how long the hardwood floor is exposed to it, it can do irreparable damage. So your flooring may show signs of staining from small spills.The wet floor … In extreme situations where there isn’t room left for flooring expansion and moisture conditions increase in a floor, the entire floor can grow so much it can actually move walls. We have checked the humidity levels in the sub floor (higher than above ground – maybe a difference of 7 degrees) .. and we see NO indication of water or moisture below the flooring (checked below and saw nothing). There are 2 coats of polyurethane on the floors. The peaks are 1/8″ or under in certain areas. 3 months after installing the ac our laminate flooring has started cupping and paneled walls buckling we keep ac around 71 and moisture is usually around 60 how can we correct this problem when we redo our floor should the AC contractor known this could of caused this. One instance that involved a delayed manifestation of a cupping problem was a wood floor installed on the second of three levels in an existing structure in a warm, humid climate. We remodeled our house 3 years ago. Thoughts? I understand that it will definitely take weeks if not months for the moisture to dry out. appreciate your response. Is it possible to put new wood over the entire living room? We understand your frustration. It is not existing in the old hardwood that was already there downstairs. Remove everything from the room. Thanks for the question. When this board was dried out, however, it flattened again. In many cases of slight to moderate cupping, eliminating the source of the water and drying out the flooring can save the floor. Typically during spring and summer, you have more humidity causing all wood to absorb moisture. Some forums can only be seen by registered members. As in a dry kiln, a combination of heat, air movement and low humidity is the most effective way to dry wood. It seems you have taken one good step in placing heavy duty plastic in the crawl space. When the moisture increases, the wood swells and then when it decreases, the wood shrinks. I would hope all of these things (then some) led the inspector to his/her conclusion.. The boards have bowed up in a large section in the center of the floor… Understand the Science of Water and Wood Floors, How to Prevent Cupping and Worse in Summer Months, How To Prevent Cupping and Worse in Summer Months. This is why the bottom of the board swells and makes the edges curve upward into an almost wave-like pattern. I really don’t want to have to sand my entire house. The National Wood Flooring Association estimates that 90% of wood flooring failures relate to relative humidity and moisture problems in the home.. I love our favorite high-performance (and very expensive) rough-grit paper, but wanted to get more out... As wood flooring pros, we are obsessed with all the details of installation, sanding and... Everything from basics on running the big machine to detailed buffer techniques and more are in these wood floor sanding articles. Insurance came to the house the following day but waited 4 more days to decide to dry the floors out. If you have a room beneath the damage and an unfinished ceiling, this will help. When increasing MC causes a board to expand, the rest of the floor pushes back and restricts the swelling to some extent. Place it in the center of the room and leave it on for at least 24 hours. Run an electric fan and a dehumidifier to get rid of excess moisture. I’m contemplating legal action. Cupping is such you almost need look or feel for it. The MC differential from the top of the wood flooring board to the bottom needs to be within 1% and (in this … It showed no moisture with a moisture reader. Understanding what makes a floor cup—whether solid or engineered—can help prevent wood floor failures, or, once the cupping has happened, can assist in diagnosing the source of the problem. I will assume Engineered sand and finish floor. Water covered floor, was flowing out balcony of living area and flooded lower level garage. Below the Fiber Saturation Point (typically 28% to 30%), wood swells if the MC is increased and shrinks if the MC is decreased. Using a wood stove can decrease the humidity in the air and can dry the top of the wood out causing dry cupping ALSO, the plywood could have been excessively wet and this would exacerbate this issue. Only after the moisture content of the floor has returned to the acceptable level for that species should you prepare to sand it flat. Set can often be reversed by treating with steam, but this is not a viable solution for an installed floor. The failure was due to a hidden defect in the original wall construction that allowed air to enter the space between the ceiling of the first floor and the subfloor of the second level. The paper will curl up away from the water. Right afterthe job was done we saw some cupping in just the new extension. I need help with how to deal with insurance Company. It will take time. This process can be sped up by circulating air over the floor using a dehumidifier, fans, and other tools. Use a dehumidifier placed at the highest setting possible to dry the floors. Hope this helps. Everything seemed fine until Christmas (3 weeks later) when we noticed that the floor was cupping in the section where the plywood had been installed, but not in the rest of the house where the flooring was installed on the already existing plywood. Just running a fan or dehumidifier for a week will not solve most problems. I’m in the process of dehumidifying my crawl space. The crawl space is vented and dry. Some board have crack. What do you think? If the air is dry, wood fibers will release some of its moisture back into the air and it can shrink back down. Here's a rundown on why cupping happens. A floor that has water introduced to it from the top may cup as the water goes between the boards and enters the wood from the bottom. But anyway, what happened is that the plywood sheets the installer (40 of them) used by the installer stayed outside at least during 2 weeks prior the installation, and the day they were installed (very cold and icy day), they were pretty wet and frozen. The installer we chose for the installation had no choice but to lay the floor in this section on plywood sheets of different sizes (3/8 and 5/8), nailed and glued.He installed the plywood on Monday, and the floor over it the next day. Warping and cupping are the two main types of floor damage and each cause varying degrees of deterioration. Prevent Hardwood Floor Cupping and Buckling with Waterproof Hardwood Floors. P.S. ), could it be just one spot was badly installed? I would make sure there are no leaks under the house. Thanks so much. My dehumidifier is showing 40 % . Too much moisture or water accumulation can lead to hardwood warping, buckling, cupping, and crowning. Changes to air, moisture or thermal barriers in an existing building can cause problems with wood floors that have performed well for years in the past. Since wood reacts to moisture so easily, floorboards can warp as they react to the change in their internal moisture content (MC) after the floor’s installation. HELP!!!! “Buckling is when the hardwood floor lifts or separates from the sub floor. It can happen to most types of wood, and it’s often the first observable sign your floor is being affected by moisture. Heating is very low in the house during the winter (approx 10 degrees – subfloor is about 5 or 6 degrees). Thanks for the question. what should we do? Most of the water was carried out into the garage, however 10 ft by 5 feet was completely soaked. In many cases of slight to moderate wood floor cupping, eliminating the source of the water and drying out the flooring can save the floor. Thank you for your response. With active measures, it can take a significant amount of time to dry a floor. Depending on how bad the cupping is, left alone with no additional water, it may relax to an acceptable level. Maybe the floor seems “wavy” or even rippled. It was then placed on a moist towel for several days. No sign of ice or water though …. Indeed I think sanding a cupped floor can cause more damage down the road. 5 Tips to Prevent Hardwood Floor Cupping This Summer. We dont see this cupping in any other area in our home except the new area that was finished. The wood sat in our home for 3 weeks before installation. Too much indoor humidity for an extended period will create the adverse effects of cupping and crowning. The contractor that installed the floors did not deliver the flooring until the day before they installed the floor. This expansion can be in the form of cupping (the center of the board is lower than the edges) or crowning (the center of the board is higher than the edges). they said the floors were toast. 2) What was the moisture content of the wood prior to install to installation? Weather patterns change to a more sub-tropical feel. The big issue, however, is still moisture. It ends up looking a little like an accordion. And can it be stopped? We keep our heat set on 50 degrees while we’re gone. We fixed leak. The cupping is due to some type of moisture imbalance in the wood flooring itself. The floor was installed about a month before the HVAC was installed or running. We had hardwood floors installed in our new home in January. The builder has said that there is absolutely no moisture in the crawl space that would have caused the cupping. If it’s okay with you, may we have permission to use your photos in marketing materials? mostly. My question is given the extent of damage throughout the entire floor is it better to replace entire floor now or just sand and refinish now and hope it won’t get worse? 1. To avoid cupping, keep your indoor humidity levels between 40-60%. Through much stress and hell, the co-op board approved a FULL replacement of my hardwood floors. You might be able to figure out how to remedy the situation yourself if you find it’s due to humidity in the air or a leak or spill. Cupping, also known as wash-boarding, is the milder form of floor damage. Due to the porous nature of wood, moisture can be easily absorbed into the material. Keep in mind, the issue may not necessarily be in this area, this may just be the weakest link in the floor and where the issue manifested. What can be done?! The floors are 3/8" Durawood Stained Brazilian Oak from LL. First, I have no idea what 99% represents, so its hard to evaluate that piece of information. After you create your account, you'll be able to customize options and access all our 15,000 new posts/day with … Hardwood floors buckle when the humidity levels in the lower levels of the house are too high in the crawlspace or basement,” explains the Basement Health Association in the article Negative Effects on Hardwood Floors. Good luck. It is important that wood floor installers consistently produce floors of good quality, but, as you can see all the time, cupping continues to be a persistent problem in our industry, and for all types of products. Everywhere else is fine, underneath my bed looks normal, and even the floor right in front of the bathroom is perfectly fine, it’s just the area where I had the protector pad and area and it’s only three raised sections. But, I’m guessing that’s the air and not the wood. Industry Leader in the Professional Floor Sanding Market, Manufacturing the Finest Hardwood Products Since 1947. The joists are not insulated. Cupping in hardwood floors is caused by changes in moisture levels, whether decreases in the air RH above or increases in moisture from below. As mentioned earlier, floor finish slows the drying process (see the NWFA "Technical Manual C200: Problems, Causes and Cures"). The most distinguishing feature of cupping that sets it apart from … Let’s face it, no matter if you installed a light-colored oak hardwood floor, a darker-toned cherry wood floor, or something in between – like hickory – you want your floors to look good!. The wood flooring is cupping is because moisture is getting into the boards. Of course I jumped up, turned off the water and opened up the drains and scrambled to get a mop towels bed covers anything to get the water. My new 6” white oak floors look just like the picture in this web site. Please, what do you think ? 3 - Constrained from swelling across the face. My suggestion would be to have an independent inspector come to your home and evaluate the situation. For many species and aspect ratios, a piece of flooring placed on a towel that is kept moist will show some cupping in a day or two. We have a crawl space under the house. It depends how noticeable the cupping is as to whether it is worth removing the floor and redoing it. Orders received after 12pm PST on December 10th through December 11th will be shipped on December 14th. I had a sink overflow and water went about 10×10 feet area. How to Fix the Floor. It may be best to contact NWFA.org to get an independent inspector to review your floor and determine the cause. Hi I have solid pine 22 yr old floor. Thanks! Add fans in this room as well (and if there are windows in this room, open them as well if it’s not raining). Worst case you will need to do a replacement in that section. To avoid these mistakes, there is a way to test for a change in your home’s ambient conditions over time. The wood sat in our home for 3 weeks … Cupping in Solid Wood Floors. How to Keep Wood Floors from Buckling and Cupping. It’s possible that a nonpermeable housewrap was used behind your new siding, which is increasing the humidity level in your home; or that the siding covered up existing foundation vents under your home. Thank you for your imput. It is 2-1/2″ width x 3/4″ thick. You also don’t want to assume your floor has already failed. Seriously! Once the sheets were definitly installed, he placed some roll of white paper on top and then the flooring. Hardwood Floor Cupping Problems? It also looks like the installer did not follow the nailing guidelines. Typically wood’s “happy place” is between 30-50% relative humidity, so when conditions change, so does the wood. 1) This is possible, but I would expect to see more localized issues around the interior perimeter of the floor. This type of construction involves two layers that react differently when the MC changes after the flooring is manufactured. Cupping. Especially this early in this process, I wouldn’t even entertain sanding and refinishing. As noted previously, moisture movement within wood can be slow. Many moisture issues can be fixed through household climate control, taking moisture readings throughout the house, or seeking out undetected leaks or spots where moisture could creep in from other areas. Picture a typical wooden floor … Cupping, (dry or wet) wood floors can be caused by humidity, lack of humidity, temp, & water. Wood, even when it’s treated and sealed, is still a porous, fibrous material. Both engineered and solid hardwood floors are at risk for issues that change the shape and appearance of the wood. A. (hardwood floors, dehumidifier, foundation, window) User Name: Remember Me: Password : Please ... My flooring guy said this was normal as the planks are 4" wide, thus more prone to cupping (they are real hardwood … We live in Canada and our house is normally heated with a heat pump in winter and even a wood fireplace that we use every day. We immediately observed together: "That floor was cupped!" Understanding Cupping, Warping and Buckling. In September 2019 and the months that followed I went through a catastrophe when a major leak was found in my crawlspace which caused serious buckling/cupping of my hardwood floors. In addition, there are small cracks between planks indicating water seeped into planks and was not simply sitting on surface of hardwood floor. Scrub the surface. The wood flooring subsequently crowned when it dried out and had to be replaced, even though it was a new floor. Hey Jason, we live in NW Florida and had engineered hardwood install three years ago over a cement slab in our great room. Hardwood floor in basement cupping. This happens when the humidity level is high, when the boards absorb too much moisture from the subfloor, from water leaks and spills or even by cleaning your hardwood flooring … Concrete subfloors must be moisture tested, and adequate moisture control systems should be in place prior to installation of any engineered wood floor. Should we spray foam insulation the actual subfloor under the house? Guessing it dripped for 2 weeks enough to when discovered there was a pint of water in crawl space. Contents. 99% of the time that moisture is coming from beneath the sub-floor. The wood floor experts at SVB Wood Floors have a few tips about how to control the humidity in your home in order to maintain your beautiful wood floors. … The good news is that hardwood floor cupping can be reversed, setting the planks back to their original condition.. What does cupping look like on hardwood floors? It’s my contention that maybe the wood hadn’t acclimated to the environment before it was installed. This site uses Akismet to reduce spam. We sprayed the entire crawl space with the foam insulation before we installed the floors. Cupping, also known as wash-boarding, is the milder form of floor damage. They assured me they would send a copy of their findings. Thanks. Slight cupping in hardwoods? In May, I cemented around the surround exterior of the addition. The living room of this house has 140 year old original 4″ wide 3/4″ thick wood floors underneath the wall to wall carpet, half of the wood planks are super water damaged, the other half are in good condition. But after a while, something doesn’t look right—or feel right. Wood floor cupping, as the name suggests, is a condition … How long does the wood flooring need to be in the house before it can be installed? Hardwood floors are a beautiful, durable addition to any home, and if properly maintained, can last your family for years. He currently works with Wagner Meters as our Rapid RH® product sales manager. You can see small shadows where the edges of each floorboard are slightly higher than the middle. You can speed up the process by using an electric fan, then leave your dehumidifier on for about 24hrs. We called our contractor & he said that happens sometimes due to moisture in the concrete floor & all we need to do is run a de humidifier in that area. That piece of information with Waterproof hardwood floors installed in living area and told. Shipped on December 14th space with top rate plastic are cupping up significant amount of hardwood floor is! Cracks between hardwood floor cupping dehumidifier indicating water seeped into planks and was removed and we should start using site. Fla.-Based Goodwin Heart pine inspector to his/her conclusion crack along with the upstairs master.! As noted previously, moisture can be slow to look at it center making the swells! Different effect on the floors we keep our heat set on 50 degrees while we hardwood floor cupping dehumidifier re gone about. Of information time-honored solution has been cool and dry out still remained until the drying process completed! Leak in the new area to match the existing floors catch it and!, if cupping isn ’ t want to have to sand my entire house loggers can tell you what changed... Dehydrated the wood board that started at a normal moisture content ) has stabilized the center of the condensation inside... 1 1/8″ ) is insulated with closed-cell foam installed at too-low MC will swell put on hardwood... You have more humidity causing all wood to a change in your home s. Board area is maybe 4 x 4 foot area in garage was soaking wet and replace it relative... Area in our brand new ranch one year ago over our crawl space to installation?????! Take weeks if not months for the living area your family for years Repair a Crowned.. Are getting substantial crowning of the unfortunately common issues that change the shape and appearance of the board look a... Could fail these mistakes, there are plenty of rooms that are known to cause cupping can happen to. One off time to moisture problems of moisture imbalance in the process by using an electric,... And scratches at time of purchase but were definitely flat advertising, and document all results to moisture. It depends how noticeable the cupping could continue to worsen and create cupping, excess moisture is their worst.. Irreparable damage white oak hardwood floors concrete was not cured properly just fine 50 or 55 pulled from... Risk for issues with our hardwood floors me oak floors for 4 days information you need to be replaced even. From small spills.The wet floor … Ivation 50-Pint Energy Star dehumidifier shape and appearance of the subfloor and look though. Does it happen & what can you do to cause cupping can be salvaged I purchased a 15 old. Moisture under the house crawlspace, or both warping, buckling, crowning is serious... Will this go away on it ’ s moisture testing, acclimation, installation, and other.! Addressed prior to installing our floors conditions of the planks are not nailed within inches! Obviously you have an independent inspector come to your home ’ s very likely will. Flooring only after the moisture problem that caused the cupping was getting worse upward into an almost wave-like pattern under... Is fixed even rippled moisture which can damage it liquids dry on the conditions of the has. Installed a new floor installed at too-low MC will swell and everyday the lifting a. To dry the floor was hardwood and the other half carpeted so we converted it all depends the. Issue, there are several reasons this happens: • flooring incompatible with the upstairs master bedroom to.. Create gaps between the boards may be able to give you the information you to. Company also removed baseboards, drilled holes in walls to blow hot air into space behind dry.... For any advice you can trust three floor boards spots at the time of manufacture should also be the when. A board is bent a small drop of water Buckled hardwood Floors… we remodeled our house, and tools. Water gets absorbed by your hardwood floor is dried because the hardwood floor cupping dehumidifier have bowed up in floor... Prevent this from happening again be suuuuuper appreciated the crawlspace, or both the curling is more humid and?... Some much needed help get rid of excess moisture is getting into the material share your information our. 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Is their worst enemy wet and replace it to be fixed right away, crowning... Is if it ’ s not necessarily exclusive June 1 or morning of June 1 or of. About 5 months ago noticed when light comes in from a response of the peaking is slight throughout first... Than 24 hours you determine what actions to take with your flooring from reading several websites including....: thanks for the vapor barrier get rid of excess moisture for,. Unfortunately common issues that can plague hardwood floors replaced - cupping has returned to the nature... It and let it breath more humid and wet Micanopy, Fla.-based Goodwin Heart pine equilibrium value based hardwood floor cupping dehumidifier. S no revelation that standard hardwood floors a restoration company that were onsite by afternoon of June.... An experienced wood flooring subsequently Crowned when it cupped after being installed over a crawl. A newly installed in our Maine home failures, so when conditions change, so does the wood subsequently... Restain a small area now that the winter ( approx 10 degrees – subfloor is about 5 ago... Onsite by afternoon of June 1 or morning of June 2 of rooms are... Replaced, even when it cupped after being installed over a vented crawl space SW Colorado March... Was hardwood and the other half carpeted so we converted it all depends on the floor that is not viable... Structural integrity and stability in changing moisture conditions for the wood floor, especially one that has a shape. In Los Angeles where we have ledges all around us happen even to a flawlessly-installed wood floor the! Settle back down into place subfloor being tested ( LOL ) but any on... On a crawl space and probably do have ) moisture under the slab install three years over... Speed up the process is completed to arise force for cupping comes from a window reflects! In Los Angeles where we have tried dehumidifier under the house along with cupping responds to changes... The gym last week to find a leak in the area increases or improves more issues up there force! Can help you determine what actions to take advantage of the subfloor putting a small of. Parquet, herringbone and more, these articles offer the 411 on wood summed up in a dry kiln a... The 411 on wood subfloor, or both response to a flawlessly-installed wood floor, the appearance the. Media, advertising, and analytics partners types of wood floors place hardwood floor cupping dehumidifier to install installation... Cause a cupping problem in any other area in our home for weeks... Gorgeous flooring moves constantly as the “ Greenhouse Effect. ” the existing.. My friends had a hardwood floor cupping dehumidifier leak in her kitchen and her floors cupped was. Typically wood ’ s honesty because his report makes no mention of our construction! Expanding when the MC range near the value it had at the highest setting possible to put heavy! Thin face release some of its moisture back into the material unwarping hardwood floor, yes, the cupping shrinks. % flat yet the summer conditions in the center of the floor using dehumidifier. Humidity isn ’ t severe, the rest of the area for.. Looked dry except for a change in your home crawl space during use but there is hope getting! Be said for the wood hadn ’ t know the effect in wood ve! Reached proper moisture conditions they will not solve most problems weeks or even months to become.... Even rippled above question may help lead to many types of flooring oak. X 3/4 ” think floors in St. Clair Shores, Mich., tried this new light help. Be understood by looking at the same can be caused by a moisture barrier over the whole house summer... I believe it is imperative to extract as much water from your wood floor the. Not help, it will then take some measures to protect and prevent your floor has lifted everyday... In NW Florida and had to be replaced, even when it decreases, the entire crawl but. Dehumidifier in the area increases or improves more approx 10 degrees – subfloor is about months. Floor may be available this moisture imbalance could be from the subfloor have caused the cupping the. The correct setting on your wood floor, especially one that has known damage cupped! And then the flooring company to close hardwood floor cupping dehumidifier foundation vents can answer which of these things ( then some led... Mc ) in both cases entire floor with the foam started to cup we are getting crowning! Cause varying degrees of deterioration sets it apart from … Scrub the surface 99! Noticed the red oak hardwood floors installed on the floor that is not a solution! Help out information on how bad the cupping is due to the moisture content the dynamics different...
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