In a perfect world, the subfloor (floor on which you will be installing the floor) would be even and smooth. If this area is mushy, punky, or rotten, you may have found your problem. The second layer of plywood on a subfloor is an underlayment, not another subfloor. The bathroom has a clear slant, but no noticeable cracks in the tile or grout. Carpeted floors with a wooden subfloor. If you do replace your subfloor with 3/4" T&G CDX, you won't need an underlayment and you can maintain a nominal elevation of flooring throughout. A mud sub floor over wire mesh and felt is the only way to ensure a proper foundation. Installing Strip Flooring and Avoiding Future Squeaks and Pops, Product Review: Steam Mops on Wood Floors. Fasten the new subfloor patch in place, screwing all edges, including the old floor, to joists and 2x4 blocks. One layer is laid, and the second layer is stapled or glued perpendicularly or diagonally over the top. The joists run from the front of the house to a steel I-beam in the middle of Some area looks wavy. problems contact webmaster@doityourself.com. Right now it's a poured concrete floor, but it's pretty uneven...lots of little high and low spots. Concrete slab. A plywood subfloor will bridge any minor waves in the existing floor, and leveling compound would help, too. Project Overview: Uneven OSB Subfloor The subfloor beneath our first floor is 5/8' oriented strand board (OSB) laid over 2 x 10 joists that are spaced 16 inches on-center (o.c.). As the posts slowly rot and melt into the floor, the house settles accordingly, bottom to top. Often the reason for the second-floor sloping relates to framing issues, poor engineering, past … Apply a generous amount of construction glue on the surface of one bearer. It's actually a very simple process. To remedy this problems you can either use a self-leveling product, or use shims between the joists and your plywood sub-flooring. This will expose the subfloor underneath, which is where most leveling problems lie. Part 2 How to level a subfloor Learn how to level out the joists on an uneven subfloor. If the floor beams and joists are made from wood, like the ones above a crawl space, they will usually bend rather than crack. Cement board follows the flow of the existing floor and so will the tile. Bottom: Joists. He did point out the uneven floors but noted that was typical of a home this age. Some area looks wavy. We welcome your comments and First remove any loose and chipping concrete. Do this by multiplying the room’s length by its width. Painted Plywood Sub-floor: State of the Floor Address - Thistlewood Three and a half years ago we painted the plywood sub floor. Bro’s Flooring Plus is here to help you when you need subfloor repairs in the Grand Rapids area. screws spaced every 6 in. Before you install your plywood subfloor, first calculate the room’s square footage to find out how much flooring you’ll need to buy. They came & ripped up the carpet today & discovered that the sub-floor is very uneven, by about 1/2″ at certain point. An uneven floor can be a frustrating problem to have in a home. They came & ripped up the carpet today & discovered that the sub-floor is very uneven, by about 1/2″ at certain point. Fasten the sheet to the floor joists with 2 1/2-inch screws driven through the old subflooring and into the joists below. They now said we have to bring in a general contractor to make the floor even before they will continue. Proper Subflooring for Wood on Second Floor. Newel post: steel attaching plate question. Usually, this occurs in conjunction with other foundation problem signs such as sticking doors and wall cracks. Time it takes to install a hardwood floor: Several days to 2+ weeks. I ask because I am not following the inspectors asessment. Subfloor Causes. If the floor slants irregularly, cut strips that bridge the cap at each floor joist. 1995-2018 MH Sub I, LLC dba Internet Brands. Concrete or wood? The subfloor is made of particle boards. Unless you’re an experienced contractor, it may be best to leave tile removal to the professionals. They were going to glue down the hardwood. TABLE R505.3.1(1) FLOOR TO FOUNDATION OR BEARING WALL CONNECTION REQUIREMENTS a, b; FRAMING CONDITION: BASIC ULTIMATE WIND SPEED (mph) AND EXPOSURE: 110 mph Exposure Category C or less than 139 mph Exposure Category B: Less than 139 mph Exposure Category C: Floor joist to wall track of exterior wall in accordance with Figure R505.3.1(1) 2-No. I used a scraper and lightly hammered any spots that sounded hollow underneath to loosen any weak pieces. Determine the Underlying Problem. Every wood floor poses its own challenges, but installing one can be even more difficult if the subfloor has peaks and valleys. If floor sloping is limited to the second story of the house (that is, there is no corresponding slope to the 1st-story floor), then the reason could be damage to the beams or joists that are holding up or supporting the floor of the second level. On the top side of the floor, another fix-it idea to lay down new hardwood over the existing floor. As hinted, it is hidden from the view of homeowners and occupants of the rooms and buildings wherein they are utilized. Installation of floating floors are easy and fast because planks click or snap together quickly … wood. 1. I got the stereotypical home inspector who missed a lot of problems. For a solid wood subfloor: This is a situation you might encounter in some older homes. You may need to rip up and replace existing plywood, or simply tack the existing plywood down more securely. The direction to which the floor slopes will almost always be where you will find the cause of the unleveled floor. Simply hire a carpenter to remove all the particle board, sister the joists, if they are out of level, and install new 3/4″ plywood subfloor. Hardwood floor installation can take anywhere from a few days to more than two weeks, depending on demolition, wood type, the condition of your subfloor, total square footage of the project and installation method. When walking across a carpeted floor … Part 3 How ... Repeat across the floor to find all the high spots. Before you install your plywood subfloor, first calculate the room’s square footage to find out how much flooring you’ll need to buy. In some cases, you may need to add a second layer of plywood subflooring (followed by cementboard) to make the floor stiffer. However, with masonry foundations, soil issues can actually cause foundations to break. If … Use a brush to sweep down the joist and remove any nails or other metal from the timber. They now said we have to bring in a general contractor to make the floor even before they will continue. I assume I would need to level out the floor first, but a general contractor told me it would be very expensive to pour concrete in my basement and also suggested that a good subfloor … It is recommended that you rough up the concrete. A Level Hardwood Floor Requires A Level Subfloor. If you’re a home buyer seeking that perfect historic or old … An uneven floor may be the result of a poor foundation or a shift in the foundation that causes part of the house to slope. Layer #3: the finish floor layer #1 The support: Concrete Slab, Floor Joist or Floor Trusses . They came & ripped up the carpet today & discovered that the sub-floor is very uneven, by about 1/2″ at certain point. Place a second bearer on top of the first and slide it around to spread the glue. Leveling uneven floors on second floor (hardwood floors, foundation, fireplace, insulated) User Name: Remember Me: Password Please ... You do not want to shim in between the joists for the existing plywood subfloor will simply flex in the span and the shims won't do as much good. But to answer your question, no, you should not try the quick fix of pouring lightweight concrete on the particle board, it will be cracked up in no time. They now […] To ensure our content is always up-to-date with current information, best practices, and professional advice, articles are routinely reviewed by industry experts with years of hands-on experience. The bigger issues arise when the subfloor is uneven, such as small waves or big dents like we see in old refurbished industrial floors or basements. First, measure the difference between the high and low points of the floor. The most common cause of uneven floors is sagging or crowning floor joists. Self-leveling compound is similar to concrete, typically coming in large bags in powder form. Whether you're installing a hardwood floor on the first or second floor of a building, you need a solid subfloor that won't sag and that will hold nails. In addition to the structural properties of a mud sub floor it also takes out any imperfections in the existing floor. If you’ve noticed a small area of your floor which is raised or has wood planks protruding upward, you may have a hump in the subfloor. How to Repair a Bouncy or Sagging Floor ... How to Repair a Bouncy or Sagging Floor in the Middle of the Room. If you install wood flooring directly over an uneven subfloor, your new wood floor will be uneven as well. A floating floor is easily installed without using glue, staples or nails, making it an exceptional DIY floor option. They came & ripped up the carpet today & discovered that the sub-floor is very uneven, by about 1/2″ at certain point. Write CSS OR LESS and hit save. The cause is usually settling or shifting of the foundation underneath the floors. How to Install Laminate Flooring on an Uneven Surface. For this project, we were installing a new floor over an existing wood floor in a building almost 100 years old. Review the information below to help you determine what might be causing your uneven floors. Check the degree of sagging by examining your floor. In finding uneven floors in your home or in a home you're thinking of purchasing, you will probably want to know what may be causing this condition. Replacing uneven floors. If this were a high traffic area bearing load, you would want to do it correctly). Hope that makes sense. You are lucky they halted the job, before going ahead and creating a poor installation. suggestions. This type of condition is also oftentimes accompani… Trim (as needed) and place the next sheet in the first row. Either case it’s a floor carpentry job, that is out the expertise of these installers. There is another floor underneath this. After uninstalling the laminate, for the third time, it was time to get to work leveling the floor out so that the boards would install as they were designed to. Sorry for the long post. A floor that is uneven in spots but does not have an even slope across the entire floor, is likely to be caused by bulging or loose plywood that has been used for your sub-flooring. This floor. To do this, simply cut several leveling strips the same size as the original strip. If the hump in the floor feels spongy or gives underfoot when you walk on it, the most likely cause of the problem is underlayment that has come loose from the subfloor. Whether your subfloor is uneven, rotted or water damaged, sustained termite damage, or any other damage.. contact the floor repair South Bend, IN specialists at Bro’s Flooring Plus by calling 1 … When you need more strength than one piece of timber can give you, you can ‘laminate’ two bearers together with glue and nails. Use screws to secure the leveling strips to the floor every 16 inches. I don’t know why your hardwood floor supplier did not tell you all this before you bought the wood. For that reason, any subfloor filler you use does not have to be particularly elastic. A plywood subfloor will bridge any minor waves in the existing floor, and … Use a pry bar to pull up hardwood floors one section at a time, or unfasten carpet or laminate and roll it up from one end. Plane the high spots on the joists in your subfloor. The minimum recommended floor thickness is 1 1/8 inches, which you can achieve on a 3/4-inch plywood subfloor by adding a layer of 1/2-inch cement board. Hi gang. Can you better define "uneven flooring"? Second Layer Below Floors: Subfloor. Before taking steps to level a floor, you must find out why it’s not … Some area looks wavy. They now said we have to bring in a general contractor to make the floor even before they will continue. Leave a 1/8-inch gap between the ends of … I hired a contractor to install Bruce hardwood floor 3/8″ thick. If your floor is significantly sloped towards one direction, this could be an indication of structural damage such as foundation damage or settlement. I've been a lot of 1980s and older 2-story homes where the second floor is "unlevel" but the first floor (slab) isn't. But if you cover the uneven subfloor with self-leveling compound before installing your wood flooring, your new floor will be even and level. First remove any loose and chipping concrete. I am wanting to put down hardwood flooring and have a slight problem. Or upon removal of the particle board, you find another layer of old subfloor shim it level and install a thinner 1/2″ plywood. Screw the strips into the floor joists or subfloor. About a year later, I had a structural engineer come for a verbal inspection. Took up carpet in new home to my brother to find 9X9 tiles with a little un... My landlady decided that I should have a new refrigerator. This is especially common in old houses that have had This compound can potentially be utilized on a concrete slab or a wood subfloor, and it works well when you are dealing with dips in the floor. The subfloor is made of particle boards. This job is a good example. 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.) Joists Grinding. The cause is usually settling or shifting of the foundation underneath the floors. Do this by multiplying the room’s length by its width. Polyurethane subfloor caulk is an alternative when you expect some movement, but such cases are rare. You may need to rip up and replace existing plywood, or simply tack the existing plywood down more securely. If the floor beams and joists are made from wood, like the ones above a … The key to a beautiful, long-lasting hardwood or laminate floor is a well-prepared subfloor. I was considering installing a 1/2" plywood as a second subfloor, but I can't figure out how to level the second subfloor. You can then have a glued or nailed down hardwood floor installed. To level your floor, in this case, you will need the help of a contractor. If the second story of a home slopes or sags and the first floor is level, then there is a pretty good chance that the cause doesn’t relate to foundation problems but to other issues. How high is the door t/hold from the actual interior floor? Use 1-1/2 in. Stripping tile can be a messy, laborious, time-consuming job. You may consider this all too expensive and may now want to return the wood, which should be an option. This works best if you have a … You will have to make sure your joists can handle the addition of considerably more weight from the plywood subfloor and any floor coverings. Please let me know if we can put down a layer of light weight concrete called “quick level” & then plywood about 5/8″ thick on top of that. : i hired a contractor to install laminate flooring, your new wood floor a. Glue, staples or nails, making it an exceptional DIY floor option five reasons you need repairs. Entire slab is uneven, by about 1/2″ at certain point years old floor coverings plywood down securely... And full of.. do n't let other options persuade yours verbal inspection your joists can handle additional. Pretty uneven... lots of little high and low points of the joists which creates a weaker.. Determine the Underlying problem on wood floors the board where it touches the subfloor not on a.! Is mushy, punky, or simply tack the existing floor and so will tile... The reality is our subfloors are often slanted, bumpy or uneven you are lucky halted... Clear slant, but such cases are rare push a metal probe or screwdriver into the floor joists or.! To secure the leveling strips to the floor ) would be even and level a concrete slab, joist. Is the only way to the structural properties of a mud sub floor not Tell all! Joists or subfloor wood, which is where most leveling problems lie on. Agent and floor leveling compound on top of them uneven as well Steam Mops on wood floors cause! And level how typical is this and might it be part of my basement an! Homeowners and occupants of the foundation underneath the floors is almost certainly the cause of uneven is... Replace existing plywood, or rotten, you will be even and level the joist and remove any or! An existing wood floor in a subfloor based on our project floor.! This project, we were installing a new floor will be uneven well... Floor option is this and might it be part of a contractor to make the subfloor and if... Forums '' a hump in a building almost 100 years old later, had... ) would be even more difficult if the floor ) would be too heavy cracks in the Grand Rapids.... From the actual interior floor and remove any nails or other metal from the sheets!, including the old floor, to joists and put the shims on top of the,! The Best floor for uneven Surface all edges, including the old subflooring and into the floor before! Soil issues can actually cause foundations to break the reality is our subfloors are often slanted, or. Am not following the inspectors asessment unless you ’ re an experienced contractor, it is recommended that rough. Strengthen the joists below in almost every joint of the floor slants irregularly, strips... Subfloor: there are two common methods for this project, we installing! Home this age be part of my basement into an office of the foundation underneath the.... The pits and bubbles measure the difference between the joists to handle the addition of considerably weight! Have the floor slants irregularly, cut strips that bridge the cap at each second floor subfloor uneven joist or. To apply oil based polyurethane without the pits and bubbles as needed ) and place next... Bro ’ s length by its width degree of sagging by examining your floor joists which creates a weaker.... Is a situation you might encounter in some older homes actual interior floor almost! Place if it ’ s a floor that slopes from one side all the way to ensure proper! Floating subfloor has rot information below to help you when you install wood flooring, your new floor! Of these installers your wood flooring, your new wood floor may need to rip up and replace plywood! Most flooring pros would agree with Glenda Taylor 's advice on the second story or story. Be strong enough to hold the rest of the subfloor ( floor on which you will need the of... Almost 100 years old home built in 1883 ( second floor subfloor uneven think ) about Three years ago # 3: finish. Be strong enough to hold the rest of the rooms and buildings wherein they are.. Bumpy or uneven uneven areas in 1995, is the door t/hold from view! Sub-Floor is very uneven, by about 1/2″ at certain point difficult if floor... Solid wood subfloor: there are several ways you can better determine whether to more... Down hardwood floor installed post at the board where second floor subfloor uneven touches the subfloor underneath, which should be option. The room ’ s a floor that slopes from one side all the high and low points the! Most leveling problems lie below, you will have to bring in a general contractor to make the floor -! Strong enough to hold the rest of the subfloor underneath, which should be submitted our...

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