Stop a Squeaky Floor

Squeaks happen when subfloor pulls away from joists. From below (basement) is easiest; from above takes a kit but works.

Difficulty: Medium Time: 30 min–2 hr Cost: $10–$30

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Tools

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Squeak-Ender or short subfloor screws (from below)
For accessing the joist from a basement/crawlspace
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Squeeeeek-No-More kit (from above)
Includes scored screws that snap off below floor surface

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1

Locate the squeak

Walk in slow motion, weight on one foot at a time. Mark the exact spot.
2

From below (best case)

In the basement, have someone walk on the squeak. You'll see the subfloor flex against a joist. Drive a 1-1/4" screw up through the joist into the subfloor — but stop before the screw breaks through the floor above. Measure first.
3

From above (carpet)

Use a Squeeeeek-No-More kit. Find the joist with the included tool, screw through carpet into the joist. The screw's scored top snaps off below the floor surface so no head shows.
4

From above (hardwood)

Drive a finish nail at a slight angle through the seam into the joist. Set the head below the surface, fill the hole with matching wood putty.