How To Fix Squeaky Floors Under Carpet – 7 Methods

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You know how frustrating it is to have squeaking floors if you’ve ever experienced it yourself. In particular, if you’re attempting to go for a late-night snack.

Although creaking floorboards and noisy staircases are more common in older homes, newer homes aren’t immune. Flooring in any house can produce a squeaky high-pitched sound.

You can use a squeaking floor repair kit and a drill to fix this problem.

Squeaks caused by loose wood planks are the most common. On the other hand, carpeted rooms may be loud if the plywood flooring isn’t linked to the joists correctly. The following are several ideas on how to fix squeaky floors under the carpet. These methods are accessible, affordable, and generally quick to complete.

How To Fix Squeaky Floors Under Carpet

How To Fix Squeaky Floors Under Carpet

Method 1: Place Shims in Any Openings

It is easier to fix squeaky floors with squeaky noises when you have access to the crawl area or basement.

1. Walk cautiously around the creaky floor.

2. Keep an ear out for any noises, if you see one coming from a specific location.

3. Using a flashlight, you may check for an opening between the floor and the bottom of the floor once you’ve determined the precise area of the squeak. You will have to lift the carpet from its corners.

4. If necessary, you may have to remove some insulation to get a better look.

5. Using a thin piece of wood, apply some wood glue on it, then push it into the hole where there is a hole.

6. Avoid lifting the subfloor by being careful not to push it in too deeply.

7. A shim is used to prevent the floor from moving between the gaps, which typically results in noise reduction.

8. Each noisy spot should be checked on both sides of the joist. It’s possible that only one side may show the gap.

9. After the adhesive has dried thoroughly, use a tool knife to score any excess shims and then snap them off so that they are flush with the joists.

10. Using a simple score and snap technique, you may use an oscillating multi-tool equipped with a wood cutting blade to trim a shim that is too big to be scored and snapped.

Method 2: Use Construction Adhesive To Fill Large Gaps

As long as the squeak comes from the precise position where the wood shim is placed, it may be quieted using the little wood piece.

There is no need to use many shims if you see a large gap across the floor joint. Instead, use fast-setting construction glue to fill in lengthy cracks, fractures, and fissures.

1. You may use a caulking gun to apply the caulk directly to this region, between the seam and the floor.

2. Make sure there aren’t any gaps in the two sides.

3. The adhesive may also fill in any gaps on the opposite side.

4. After the glue cures, the floor will no longer shift, and will likely eliminate the creaking sound as well.

Method 3: Nail a Board to a Joist

Floor joists are susceptible to bending, warping, bowing, or shrinking when installed in moist conditions. It will also change as the humidity and temperature changes throughout the year. That’s why it’s good practice in the home to have good ventilation and keep humidity in check.

To create a squeaking sound, the subfloor or flooring must move up and down in order to brush against screws or nails, and you need to fix this squeaky floor under the carpet.

1. Put an extended wooden 2×4 next to the troublesome joist to repair. The first step is to apply an adhesive unidirectionally on the top.

2. After that, push it on the joist and slide it against the bottom of the subfloor in a tight position. Hammer the 2×4’s top edges often to ensure that they are firmly attached to the subfloor.

3. Finally, fasten the 2×4 to the joist with 3-inch screws no more than 8 inches apart.

Method 4: Add Noise-Canceling Blocks to Joists

Placing blocks of substantial construction between the floor joists also helps fix squeaky floors under the carpet.

1. Cut the block to the exact dimensions as the floor joists for dimensional lumber.

2. There is a good chance that your house is built on 2×8 floor joists. Using two 8×8 blocks, make a solid block.

3. Cut the blocks so that they sit snugly between the joists but not too tightly. A little coating of construction adhesive should be applied to each one. There should be equal spacing between the joists between the blocks.

4. After that, each block may be placed against the subfloor’s bottom.

5. Use 3-inch screws to hold the blocks in place. These screws should run through the ends of the blocks and across the margins of the joints.

Method 5: Drive Short Screws Into the Bottom

The hardwood floorboards rubbing on the plywood subfloor or the nails holding the flooring may be causing annoyance-causing squeaks under the carpet. Short screws driven through the subfloor’s underside and into the floor’s foundation may halt this motion and noise in either situation.

The screws must, however, be long enough to reach the top of the flooring, so use caution. If that happens, you might expect more than just the odd creak from the floor.

1. Put the first screw in a hidden location, such as a closet, to keep everyone safe.

2. Check if the screw hadn’t penetrated the floor.

Method 6: Lubricate the Floorboards

If the subfloor or floor joists cannot be accessed, it may be challenging to eliminate stair or floor squeaks. Dry lubricant may be used to dampen the sound of hardwood flooring.

1. Fill the junction between the floorboards with lock lubricant, talcum powder, and powdered graphite.

2. To get the powdered oil into the crevices, place a towel over your boards and walk them back and forth.

3. In addition to reducing friction between the boards, this will help mitigate little sounds.

4. You may use an air vacuum or a moist towel to remove any powder left on the floor after cleaning.

5. The dry silicone oil may also be sprayed between the creaky floor planks.

6. To remove any remaining oil, dampen a cloth or paper towel and wipe the surface.

Method 7: Stop Above-the-Head Noises

No more squeaky floor under carpet. A cleverly-designed gadget provides a simple solution for removing squeaks from the top of the flooring.

1. An assortment of driver bits and stud finders are included in the tripod tool. They are wax-coated to prevent them from snagging on carpet fibers and causing an unintended run.

2. Using a tripod and a bit to drive the screw into the flooring, subfloor, and finally, the Joist. Every screw’s shaft is scored 1 inch from the top to guarantee that the screw is snapped off at a place just below the floor’s surface when you run your screw with the tripod.

3. The screw’s threaded part remains in place, firmly securing the floor to the joist.

4. You may utilize this system with various flooring alternatives, including hardwood planks and vinyl sheets, and tile. It’s easy to conceal a screw hole under thick carpeting. However, you’ll need to use a wood filler to patch up any holes left in hardwood flooring.

5. Linoleum and vinyl can cover the hole, but they can’t conceal it entirely.

6. Caulk may be used to seal up any cracks or holes.

7. In the end, you’ll have to decide whether you’d rather have a little, scarcely apparent spot that you can cover with furniture or throw rugs or if you’d instead put up with the odd squeak.


To tackle a squeaky carpet floor, you can use a squeaking floor repair kit and a drill to fix this problem. The high-pitched chirps of plywood and solid-board subflooring may also be heard. Squeaks are widespread in classic hardwood strip flooring and carpet.

If you’re handy with the drill, you can silence practically many types of squeaks in a matter of minutes, including how to fix squeaky floors under carpet.

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  1. Well I have a problem with the apartment being tile floors and the neighbor downstairs constantly complaining about the squeaking to the landlord. I need to get to the sound without disturbing the neighbor and without calling in a professional demolition crew!? Can’t get to the problem from below & can’t tear up the tile. Help! I need cheap fix!


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