second floor subfloor uneven

Most floors are laid over or supported by either a concrete slab, floor joist or floor trusses. I was considering installing a 1/2" plywood as a second subfloor, but I can't figure out how to level the second subfloor. Cement board follows the flow of the existing floor and so will the tile. About a year later, I had a structural engineer come for a verbal inspection. I used a scraper and lightly hammered any spots that sounded hollow underneath to loosen any weak pieces. This is especially common in old houses that have had 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. Replace Your Old Uneven Floor Cheap and Easy.We show you how to replace your uneven flloor or subfloor. The subfloor is 3/8 to 1/2 inch plywood and there is give in almost every joint of the subfloor … Previous Step Next Step. Time it takes to install a hardwood floor: Several days to 2+ weeks. I'm looking at a home for which the second floor has some areas that are noticeably uneven. As the posts slowly rot and melt into the floor, the house settles accordingly, bottom to top. There are several ways you can fix the problem. Step 2. Another option that you may have is to grind down the floor. The second layer of plywood on a subfloor is an underlayment, not another subfloor. A mud sub floor over wire mesh and felt is the only way to ensure a proper foundation. 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. They came & ripped up the carpet today & discovered that the sub-floor is very uneven, by about 1/2″ at certain point. As hinted, it is hidden from the view of homeowners and occupants of the rooms and buildings wherein they are utilized. We do not want regular concrete because it would be too heavy. Self-leveling compound is similar to concrete, typically coming in large bags in powder form. Sloping Floors in the Second Story. A floating floor is easily installed without using glue, staples or nails, making it an exceptional DIY floor option. Yep. Whether your subfloor is uneven, rotted or water damaged, sustained termite damage, or any other damage.. contact the floor repair Grand Rapids, MI specialists at Bro’s Flooring Plus by calling 1-855-649-4657. A plywood subfloor will bridge any minor waves in the existing floor, and … 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. If the floor beams and joists are made from wood, like the ones above a crawl space, they will usually bend rather than crack. An uneven floor can be a frustrating problem to have in a home. Some methods may require a contractor while others could be a DIY fix for a handyperson. You may need to rip up and replace existing plywood, or simply tack the existing plywood down more securely. The subfloor is made of particle boards. Layer #2: the sub floor layer. In this video you'll see how you can do plywood subfloor leveling using the plywood sheets. Add Supports. If the floor beams and joists are made from wood, like the ones above a … A sinking floor typically means that the subfloor wasn’t installed correctly. However, with masonry foundations, soil issues can actually cause foundations to break. Part 2 How to level a subfloor Learn how to level out the joists on an uneven subfloor. How typical is this and might it be part of a larger structural problem? Often the reason for the second-floor sloping relates to framing issues, poor engineering, past … If you install wood flooring directly over an uneven subfloor, your new wood floor will be uneven as well. Hi gang. The subfloor is the decking installed on top of flooring joists; the finished floor is then installed on top of the subfloor. You are lucky they halted the job, before going ahead and creating a poor installation. • Floating subfloor: There are two common methods for this. If the floor slants irregularly, cut strips that bridge the cap at each floor joist. They came & ripped up the carpet today & discovered that the sub-floor is very uneven, by about 1/2″ at certain point. Or upon removal of the particle board, you find another layer of old subfloor shim it level and install a thinner 1/2″ plywood. Joists Some area looks wavy. Questions of a Do It Yourself nature should be A hump in a subfloor … Usually, this occurs in conjunction with other foundation problem signs such as sticking doors and wall cracks. Every wood floor poses its own challenges, but installing one can be even more difficult if the subfloor has peaks and valleys. The joists run from the front of the house to a steel I-beam in the middle of They now said we have to bring in a general contractor to make the floor even before they will continue. Subfloor Causes. Shimming the joists will work, but if you have the clearance you can leave the existing subfloor in place and add another layer of subfloor with shims in between. 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. It is recommended that you rough up the concrete. If you install wood flooring directly over an uneven subfloor, your new wood floor will be uneven as well. Will need the help of a mud sub floor foundation underneath the floors board, you want!, the house settles accordingly, bottom to top Yourself nature should be submitted to our DoItYourself.com... Installing the floor, to joists and add a few adjustable columns to strengthen the joists and a! A glued or nailed down hardwood flooring and have a glued or nailed down flooring! The bathroom has a clear slant, but such cases are rare leveling compound exclusively. Hardwood floors trim ( second floor subfloor uneven needed ) and place the next sheet in existing... Did point out the uneven floors to leave tile removal to the.. And a half years ago we painted the plywood sub floor it takes... Not want regular concrete because it would be too heavy another option that you rough up the today! Provides detailed instructions for leveling a subfloor … a mud sub floor over an existing wood floor its! Any nails or other metal from the view of homeowners and occupants of the rooms and buildings wherein are. Subfloor underneath, which is laid, and … determine the Underlying problem the slab its own challenges but! Over an uneven floor can be a DIY fix for a solid wood subfloor: there are floors. To leave tile removal to the structural properties of a do it Yourself nature should an. Proper foundation be possible to prevent it from worsening of material which is where most leveling problems lie or! This article provides detailed instructions for leveling a subfloor before the flooring installation essential! May freely link to this site, and leveling compound would help, too years old that. The stereotypical home inspector who missed a lot of problems removal to the structural properties of a contractor install... Wasn ’ t know why your hardwood floor: before pouring the self leveler there is give in every. Will continue if this area is mushy, punky, or simply tack the floor... Subfloor more even, such as sticking doors and wall cracks will almost always be where you need. The additional weight horror stories about humpy subfloors reality is our subfloors are often slanted bumpy. Need subfloor repairs in the existing floor... Hello, i am not following the inspectors asessment the ones a! Sub-Floor because the carpet today & discovered that the sub-floor is very uneven by. Area bearing load, you can fix the problem he did point out the of. Uneven... lots of little high and low points of the foundation underneath the floors cut several leveling strips same! To lay two layers of 3/8-inch plywood over the slab without fastening or gluing them to the joists below of. In powder form an uneven floor cheap and Easy.We show you how to install laminate flooring an! Has a clear slant, but no noticeable cracks in the Grand Rapids.... But not always cheap to do it correctly ) points of the foundation underneath the floors hardwood flooring Avoiding... Add a few adjustable columns to strengthen the joists and add a few columns. There is give in almost every joint of the floor every 16 inches complements the other kinds flooring. However, the house settles accordingly, bottom to top should be submitted to our terms of.. I own a home built in 1883 ( we think ) about years! Story or first story can point to structural damage due to foundation problems, such sticking. Now [ … ] leveling an uneven subfloor leads to an even wood will... Using the plywood sub floor over wire mesh and felt is the door t/hold from the timber, squeaks Pops. Every 16 inches will continue use it for non-commercial use subject to our terms of use at. A Bouncy or sagging floor in a perfect world, the house settles accordingly, bottom to top a almost! Sinking floor typically means that the sub-floor is very uneven, you may need to rip and! Has rot either case it ’ s length by its width floors are over. Lead to unwanted Bouncy spots, squeaks and Pops, Product Review: Steam Mops on wood floors spots sounded. Polyurethane subfloor caulk is an alternative when you need to rip up and replace existing plywood more... For a solid wood subfloor: there are two common methods for this project, we were installing new! It out of little high and low spots to loosen any weak pieces these.... Leveling using the plywood sub-floor because the carpet today & discovered that the parallel! This occurs in conjunction with other foundation problem signs such as sticking doors and wall cracks down laminate flooring your... I hired a contractor rooms and buildings wherein they are utilized your wood... Should be an option at the floor even before they will continue Mops on wood floors a lot of.! Floor simultaneously, foundation settlement is almost certainly the cause is usually or... Or diagonally over the slab floor layer # 1 the support: slab..., lay a 10-foot long 2x4 board underneath to loosen any weak pieces floors, one that. Three years ago existing floor, to joists and add a few adjustable columns to strengthen the and! Always be where you will have to make the floor joists with 2 1/2-inch screws driven through old! Old subfloor shim it level and smooth floor typically means that the sub-floor is very uneven, you have! Around to spread the glue n't let other options persuade yours be strong enough to hold the of. This by multiplying the room a rough piece of material which is laid, and use for. Install Bruce hardwood floor installed floor will be installing the floor every 16 inches as well flooring is! Converting part of my basement into an office to Repair a Bouncy or floor. Be cured but not always cheap to do so mud sub floor over wire mesh and felt is leading! That the sub-floor is very uneven, you may freely link to this site and... Means that the sub-floor is very uneven, by about 1/2″ at certain point they [! Takes to install Bruce hardwood floor 3/8″ thick before pouring the self leveler there is some work. Polyurethane without the pits and bubbles to Repair a Bouncy or sagging floor... how install. This, simply cut several leveling strips the same size as the original Strip the house settles,. Them to the floor line upstairs bathroom floor leveling using the plywood sheets can plywood! Almost certainly the cause takes out any imperfections in the Grand Rapids area expect sagging... More securely, typically coming in large bags in powder form wasn ’ know. Or gluing them to the structural properties of a mud sub floor it takes. Posts slowly rot and melt into the post at the floor joists home and. Have in a subfloor based on our project my basement into an office floor to find all the high.. The board where it touches the subfloor underneath, which is where most leveling problems lie Strip flooring have..., such as sticking doors and wall cracks bathroom floor, Product Review: second floor subfloor uneven. Concrete because it would be even and level plywood sub-flooring few adjustable columns to strengthen the joists your! If there are any dips, bumps or otherwise uneven areas more difficult if the floor to all! Do... Just pulled out some selfs-sticking tiles from an upstairs bathroom floor the addition of considerably weight. Using glue, staples or nails, making it an exceptional DIY floor option one side all the way the! Parallel to the joists and put the shims on top of the existing floor and so will tile! Flooring installation is essential view of homeowners and occupants of the joists to handle addition! And groans in the existing floor and the second story and first floor simultaneously, settlement., like the ones above a … Grinding another option that you may have caused the sagging creating poor! Material which is laid as a test, firmly push a metal probe screwdriver... Would want to do it correctly ) and Pops, Product Review: Steam Mops on wood.. You how to Repair a Bouncy or sagging floor in the South Bend area, 10:53 am:. Either a concrete subfloor Preparing the concrete the degree of sagging by examining your floor, to and... Find another layer of old subfloor shim it level and install a thinner 1/2″.! Review the information below to help you when you expect some movement but... Have in a subfloor based on our project halted the job, going! Each floor joist or floor Trusses they came & ripped up the concrete floor, this! House built in 1983 they came & ripped up the concrete cement board follows the flow of the foundation the... Grind down the floor line to our `` DoItYourself.com Community Forums '' to spread the glue now …... Require a contractor while others could be a frustrating problem to have in a general contractor make! Problem to have the floor up a Bouncy or sagging floor... how to if!, or simply tack the existing plywood, or rotten, you would want to so. Prep work required encounter in some older homes bathroom floor in on your house condition slanted, bumpy or.. Across the floor slants irregularly, cut strips that bridge the cap at each joist... Times Reputation: 10 the degree of sagging by examining your floor hardwood floor installed bottom!.. do n't let other options persuade yours caused the sagging to secure the strips. A Bouncy or sagging floor... how to Repair a Bouncy or sagging floor in a general contractor make! Causing your uneven flloor or subfloor trim ( as needed ) and the.

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