Exactly What Causes Squeaky Floors?

Updated on
November 15, 2025

There is nothing more annoying than having squeaky floors. This is especially true if you're trying to have a sneaky midnight snack undetected! You may expect squeaky floors in older homes, but if you have a relatively new home or have newly installed floors, these squeaks are more than an annoyance. We will now dive into what causes squeaky floors as well as what you can do about them.

Squeaky Floor Causes

One of the main causes of squeaky floors is movement. After all, floors don't squeak by themselves, but only after being stepped upon. Unfortunately, there are many reasons why your floors may be moving such as:

1. The Weather

If you experience very cold weather where you live and have heating in your home, then this can cause your floors to become very dry. This naturally causes your wooden floors to shrink which would lead to increased tension on the fasteners and more pulling. Then, when the humidity in your home returns to normal, your floors would go back to their original size, however, they wouldn't be held as securely as before to your home's subfloor. When this is combined with friction, squeaking can occur.

2. Out Of Level Subfloor

Once there is a void under your wooden floor and subfloor, you will likely experience squeaking upon movement. There are many reasons why these voids can occur such as out of level joists, subfloor seams that are high and low, subfloor residue such as adhesive and drywall mud, heavy beams, settling of the home etc.

3. Spaces Between Joists And The Subfloor

This is similar to the previous point, however, it refers to any spaces between the subfloor and joists. In order to fix this issue you will need to glue and nail the joists to your home's subfloor. This isn't commonly done, which leads to this issue.

4. Insufficient Fastener Size/Frequency

If the fasteners that are used are too small then they will fail to properly hold the floor to the subfloor. So, as time passes, these fasteners would get loosened and lead to squeaks. This can even occur if not enough fasteners aren't used.

5. Degraded/Poor Quality Subfloor

There are many types of subfloor that come in varying grades. If a poor quality subfloor is used or even if the subfloor was subject to rain or excess water, it can lead to squeaking. Keep in mind that this can still happen even if it is waterproof.

What Causes Squeaky Floors? Solutions To Consider

Fortunately, there are many things that can be done to fix squeaky floors. One solution is to use screws from underneath so that the flooring is well secured to the subflooring. You can even utilize hollow spot repair where epoxy can be used to fill any voids. Lubricants can also be used to fix squeaky floors such as graphite, WD-40, talcum powder etc. However, keep in mind that this solution can be temporary. Other options include using the "Squeak No More" or "Squeak Ender'' solutions. Squeak Ender helps to get rid of voids and Squeak No More uses top screwing boards to solve squeaking.

Conclusion

To wrap things up, if you want to avoid squeaking floors, it is best to be proactive by hiring a flooring company that knows what they are doing and offers highly professional flooring installations. Classic Flooring offers the best flooring solutions and you can rest assured that their floors will never squeak!


Related Questions

What are the most common causes of squeaky floors?

Squeaky floors usually result from movement between flooring layers—such as boards rubbing against fasteners, gaps between the subfloor and joists, or uneven subfloors that create voids under the boards.

Can weather and humidity really make my floors squeak?

Yes. Changes in temperature and humidity cause wood to expand and contract, which can loosen fasteners over time and create friction between boards and subfloor, leading to squeaks.

Are squeaky floors a sign of serious structural problems?

Not always. In many cases, squeaks are caused by minor gaps or loose fasteners rather than major structural issues, but persistent or severe noises should be evaluated by a flooring professional.

What are some effective ways to fix squeaky floors?

Common fixes include adding screws from below to better secure the floor to the subfloor, filling voids with epoxy or specialized “hollow spot” repair products, and using anti-squeak systems like Squeak Ender or Squeak No More.

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Idaho Falls, ID
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Idaho Falls, ID
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Idaho Falls, ID
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Idaho Falls, ID
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Idaho Falls, ID
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Absolutely in LOVE with our new hardwood floor! We went with a hand scraped hickory wood, a dark stain and a high gloss finish. It turned out better than I could have imagined. It completely changed the look of our home and made our living room feel much more cozy. I have already recommended you to some friends and cant thank you enough for making sure my wife was happy.
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Idaho Falls, ID
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