What's Actually Squeaking
That creak underfoot is wood rubbing against wood — or against a nail. Floorboards expand and contract with humidity, and over time the fasteners loosen just enough to let two surfaces grind together with every step. The fix isn't to rip up the floor; it's to stop the movement at the source.
What You'll Need
- A stud finder (for working from above)
- A drill with a small bit
- Squeak-No-More or similar scored screws (designed to snap off below the wood surface)
- Carpenter's wood glue
- A candle or bar of soap (yes, really)
- If working from below: wood shims and construction adhesive
Fix From Above (When You Can't Get Underneath)
For finished hardwood floors
- Locate the joist with a stud finder — the squeak is almost always where the board meets a joist.
- Drill a pilot hole through the squeaking board into the joist below.
- Drive a scored breakaway screw until it's snug, then snap off the head. The screw pulls the board tight to the joist and the head sits flush, hidden by the finish.
- Fill the tiny hole with a wax repair stick that matches your floor color.
For carpeted floors
You can do the same thing without removing the carpet — the scored screws are designed to drive right through carpet and snap off beneath the surface. The carpet hides everything.
Fix From Below (When You Have a Basement or Crawlspace)
This is the cleanest method because you never touch the finished floor.
- Have someone walk the floor above while you listen from below to pinpoint the squeak.
- Tap a wood shim coated with construction adhesive into the gap between the subfloor and the joist. Don't force it — gentle pressure stops the movement without lifting the floor.
- Drive a screw up through the joist into the subfloor (not all the way through the finish floor) to lock the shim in place.
The Old Carpenter's Trick: The Wax Fix
If the squeak is between two boards that are rubbing side-to-side (not bouncing up and down):
- Rub a candle, bar of soap, or beeswax into the seam between the boards.
- Sprinkle talcum powder into the crack and work it in with a putty knife.
- The lubricant silences the friction without any fasteners at all.
When to Call a Pro
If multiple boards are cupping, bouncing, or separating, the subfloor may be failing or moisture may be warping the wood. That's beyond a quick fix — a carpenter can diagnose whether you need a board replacement or a moisture check underneath.