Creaking Floors – The 4 Main Reasons
- Subfloor Causes. When walking across a carpeted floor and you hear a creaking sound, it is usually for one of the following reasons and can often be corrected easily.
- Temperature and Humidity Causes. When wood boards or planks dry out, they shrink. ...
- Improper Installation & Poor Workmanship. ...
- Settling and Foundation Movement. ...
How to fix squeaky floors under carpet?
Floor squeaks are caused by gaps between the sub-floor and the floor joists which have separated over time and can be fixed by simply reattaching that sub-floor back to the framing. The trick, however, is to not damage your wall-to- wall carpet and to locate where the joists in your floor are located.
How to stop floor squeaks thru carpet?
What Causes Squeaky Floors under Carpet? Firstly, there are four main reasons why your floor may be squeaking. Let’s find out the possible causes and the remedies. Wrong Subfloor Installation; If you’re wondering what a subfloor is- it’s basically what your carpet rests on. Over your floor, there’s a light layer of flooring.
How to fix squeaky carpeted floors cheap and easy?
Why does floor squeak under carpet? Walk over the carpet until you hear the creaking then mark off this area with string or yarn. The squeak is caused by the wood subfloor that isn't properly attached to the joist. You need to screw down the subfloor to the joist. Joists are the horizontal wood beams that support the weight of your home.
How to fix a squeaky floor?
Apr 05, 2022 · Squeaks happen when a house settles and wood flooring dries and then expands. This causes the floorboards to rub against each other, or …

How do you stop squeaky floors under carpet?
Should I worry about squeaky floors?
How much does it cost to fix squeaky floors under carpet?
How can I get my floor to stop squeaking?
- Put a Shim into the Gap. Do you have access to the underside of your floors? ...
- Nail a Piece of Wood Along a Warped Joist. ...
- Put Wood Blocks Between Noisy Joists. ...
- Use Construction Adhesive to Fill Long Gaps. ...
- Screw the Subfloor to the Finished Floor. ...
- Floorboard Lubricants. ...
- Fix the Squeak from Above.
Why are my floors creaking all of a sudden?
Are squeaky floors normal?
How can you tell if a floor joist is rotten?
- Floors that are uneven or beginning to sag.
- Dysfunctional or cracked doors and windows.
- Visible presence of mold, allergens, or odors.
- Large blotchy stains on floors or ceilings.
- Unusually high levels of condensation inside the home.
- Termite and/or pest issues.
Can sagging floors be fixed?
How long do floor joists last?
How do you find floor joists under carpet?
Do rugs help with squeaky floors?
Is it good to pick a carpet that looks good with furniture?
Choosing carpets isn’t just about picking a soft, comfortable carpet that will look good with your furniture as well. Installation is a crucial component of the process — if it’s skimped on, you’ll end up with problems like loose carpet, wrinkles, and yes, squeaky floors.
What is subfloor in carpet?
The subfloor is the layer underneath the carpet and carpet padding. It’s usually made of plywood, but can be wood, OSB board, or particle board as well. It’s laid on top of the joists in the floor and attached with nails or screws.
Why is padding important for carpet?
Padding provides extra cushion to your carpets, helps extend their life, keeps them from developing wrinkles and pills, and can even protect your subfloor from moisture and stains.
What happens when you walk on a subfloor?
If the joists aren’t level with each other, the subfloor will shift as you walk on it, gradually working the nails loose and causing small gaps to appear between the subfloor and the joists. When you step on those gaps, the nail squeaks in the loose hole it has made.
Why do wood floors squeak?
Temperature and Humidity. When wooden boards and planks dry out, they shrink, creating gaps between them that can rub together and cause squeaking no ises. Hardwood floors will also shrink in colder weather and expand in the summer, and sudden changes in humidity can have the same effect.
Can hardwood floors shrink in the summer?
Hardwood floors will also shrink in colder weather and expand in the summer, and sudden changes in humidity can have the same effect. Allowing hardwood floors to acclimate before installing will help with this problem, but can’t prevent it entirely.
Is it cheaper to use wood screws or glue?
It’s cheaper and faster than using wood screws. Oftentimes, a bead of glue is laid along a joist and the subfloor is laid on top. If the glue is allowed to sit in the air for too long before the subfloor is laid, it begins to set and doesn’t adhere as well.
Can a squeaky floor cause a joist to collapse?
In real life, a squeak is no big deal—that is, they don’t signal structural damage, like termites, that could cause your floor or joist to collapse. And fixing squeaky wood floors is fairly simple. Although any floor can squeak, hardwood floors and staircases are the common culprits.
Why does my hardwood floor squeak?
Although any floor can squeak, hardwood floors and staircases are the common culprits. Squeaks happen when a house settles and wood flooring dries and then expands. This causes the floorboards to rub against each other , or against the subfloor, or against the nail casings.
How to fix a squeaky staircase?
To fix squeaky staircases, access the back through a closet and tap the shims into the joints between treads and risers. If you can’t access the back, tap very thin shims between squeaking parts, then trim the exposed parts with a utility knife. You can also try applying glue to any rubbing floorboards.
Who is Lisa Kaplan Gordon?
Lisa Kaplan Gordon is an award-winning writer who's covered real estate and home improvement for realtor.com, Yahoo, AOL, and many others.
Why do floors squeak?
Floors squeak when floorboards rub against each other or against the nails securing them to the wood subfloor. The fact is, floors in your home are generally made of wood, and wood materials can change over time. This can lead to the inevitable squeaking you can either repair or live with.
Why is it important to work on floor squeaks?
First, it makes it much easier to identify exactly where the squeak is coming from. You can stand below, such as in an unfinished basement, and have someone else walk across and push on spots above.
Can carpeted floors squeak?
Fortunately, there is a much easier way to do so that fixes the squeaks for good AND lets you do so from above, so it doesn’t matter if the ceiling below is finished. What you need is a floor squeak repair kit.
Why does my hardwood floor squeak?
Your hardwood flooring can become noisy and squeak if it hasn’t been properly nailed or the nails have loosened over the years and boards have pulled away from the subflooring.
Who is the marketing manager of Tradewinds?
by Caleb Unruh. Caleb Unruh has spent the past ten years working in various roles for The Master’s Craft, and currently serves as the Marketing Manager. He has helped developed the Tradewinds Flooring brand of prefinished hardwood flooring, and worked to create many technical and sales resources for anyone involved with selling wood flooring ...
Who is Caleb Unruh?
Caleb Unruh has spent the past ten years working in various roles for The Master’s Craft, and currently serves as the Marketing Manager. He has helped developed the Tradewinds Flooring brand of prefinished hardwood flooring, and worked to create many technical and sales resources for anyone involved with selling wood flooring and related supplies.
What is board to board squeak?
Board to Board. This happens when two boards are rubbing where they meet. This type of squeak is localized to one area or to only two boards. You will also be able to see movement with this type of squeak.
What is the best solution for squeaking floors?
Lubricants: This may sound a little hokey, but talcum powder, graphite, and WD-40 are all solutions that have helped squeaking floors. This is usually somewhat temporary. One NWFA certified inspector swears by WD-40 as a solution. In these cases, the movement is causing friction between the flooring boards.
Can a whole house humidifier hurt?
A humidifier in the room that is experiencing issues cannot hurt, however, it may be best to consider having a whole home humidifier installed as it will more evenly condition the air throughout your home. A single room unit may not be able to keep all the air in your home at the recommended range of 35-55%.

What to Do About Squeaky Floors Under Carpets
Poorly Installed Subfloor
- The subfloor is the layer underneath the carpet and carpet padding. It’s usually made of plywood, but can be wood, OSB board, or particle board as well. It’s laid on top of the joists in the floor and attached with nails or screws. If the joists aren’t level with each other, the subfloor will shift as you walk on it, gradually working the nails loose and causing small gaps to appear between the subfl…
The Wrong Padding
- A lot of people don’t think about the padding under their carpet — out of sight, out of mind, right? — but the padding is at least as important as the carpet itself. Padding provides extra cushion to your carpets, helps extend their life, keeps them from developing wrinkles and pills, and can even protect your subfloor from moisture and stains. But not all carpet padding is created equal. Ther…
Temperature and Humidity
- When wooden boards and planks dry out, they shrink, creating gaps between them that can rub together and cause squeaking noises. Hardwood floors will also shrink in colder weather and expand in the summer, and sudden changes in humidity can have the same effect. Allowing hardwood floors to acclimate before installing will help with this problem, bu...
Poor Installation and Workmanship
- Usually, subfloors are attached with glue or nails, rather than screws. It’s cheaper and faster than using wood screws. Oftentimes, a bead of glue is laid along a joist and the subfloor is laid on top. If the glue is allowed to sit in the air for too long before the subfloor is laid, it begins to set and doesn’t adhere as well. Nail guns are another way that mistakes can be made in installation. Nai…