To install one of these joist subfloor braces screw the mounting plate to the underside of the subfloor directly under the squeaking spot.
How to fix a squeaky subfloor under carpet.
Locate squeak in floor and drive nail into joist.
If you can feel a soft spot in the floor under the carpet the subfloor has likely been weakened or damaged.
Whenever you hear one watch for movement between the subfloor and the joist in.
The trick however is to not damage your wall to wall carpet and to locate where the joists in your floor are located.
How do you fix a squeaky subfloor.
Peel back carpet and use screw to subfloor.
Fasten the subfloor to the floor.
In this video this old house general contractor tom silva explains how to repair a squeaky floor through a carpet.
Use short screws to fasten subfloor and floor.
Use shims for smaller gaps in subfloor and joists.
3 chuck the joist finding screw into the drill driver.
This isn t the same as having a floor squeak when you step on it which simply indicates that the subfloor isn t tightly fastened to the floor joist in one area.
2 tap the carpeted floor with the hammer and listen for dull thud indicating a joist below.
Squeaks occur when subfloor separates from joists.
Go under the floor if you have access and have a friend walk around on the carpet while you listen for squeaks.
After seeing it on an episode of this old house i immediately went to my local hardware store and bought one.
Slide the shim into the gap.
The floor repair kit that solved our squeaky floor problem is called squeeeeek no more.
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.
At around 20 this is without a doubt one of the best diy purchases i ve ever made right up there with my impact driver.