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I have a squealy floor below my carpet on the 2nd floor of my house. It sounds like the subfloor under the carpet is moving up and down a little and makes this awful load squeak when I step down on this specific location. It can be reproduced at will.

mohlsen
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3 Answers3

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Fixing a squeaky floor beneath a carpet is a fairly complicated process that's probably best illustrated with video. This Old House provides a wonderful tutorial.

The procedure demonstrated at that link does not require you to pull up any carpet and uses scored screws to hide your work (the head snaps off) . This seems to be the most hassle-free way to do what one might expect to be a huge job.

rogerdpack
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Mike Sherov
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The squeak is due to flooring sliding up and down on nails that have loosened with time. Putting more nails is a temporary fix. Screws will hold tight and resolve the issue for a long time.

kfrew
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If there's movement you'd do best to pull back the carpet and nail down the subfloor. Hopefully the squeak isn't in the middle of the room.

I had a squeaky floor at an old house, had to pull back a large chunk of carpet and drive a few nails through the floor to anchor it down.

Best of luck.