How to Fix Squeaky Floorboards: Silence Them for Good

Every step announces itself. Creak. Groan. Creak. Squeaky floorboards are the soundtrack of the British period home — charming for about a week, then maddening, especially when you’re trying not to wake the baby (or the whole house) on a midnight trip to the bathroom. So how do I fix squeaky floorboards? Usually in under an hour, with tools you probably own. The trick is diagnosing why they’re squeaking first.

Why do floorboards squeak?

It’s almost always movement — wood rubbing against wood, or wood rubbing against a nail:

• Loose boards: The board has worked loose from the joist and moves up and down when stepped on, rubbing against neighbouring boards or the nail.
• Nails working loose: Old cut nails lose their grip over decades. The board pivots microscopically on the loose nail — squeak.
• Boards rubbing together: Tongue-and-groove boards shrink over time, leaving gaps. The edges rub with each step.
• Joist movement: Less common, but a joist that’s shrunk, twisted or has a loose noggin can flex. If the whole floor bounces, that’s structural — different problem.
• Pipes under the floor: Central heating pipes expand when hot and rub against joists or notches. If the squeak only happens when the heating’s on, suspect pipes, not boards.

Find the exact spot: Walk the floor slowly, marking each squeak with masking tape. Have someone else walk while you listen from below (if you have access under the floor) — you’ll pinpoint whether it’s board-on-board, board-on-joist, or pipe-related.

How do I fix squeaky floorboards? From above (carpeted floors)

If the floor’s carpeted, you have two options: lift the carpet (best results) or work through it.

Option A: Lift the carpet (recommended)

1. Pull back the carpet from the squeaky area (it’ll re-lay fine — it’s held by gripper rods).
2. Locate the joists — look for the existing nail lines, or use a stud finder.
3. Screw the board down: Drive 50mm wood screws through the board into the joist, two per board per joist. Pre-drill to avoid splitting. Screws grip far better than nails and don’t work loose.
4. If the board still moves, the joist may have shrunk away — pack the gap with a thin wood shim (or a folded cardboard strip in a pinch) between board and joist, then screw.
5. Re-lay the carpet. Done.

Option B: Through the carpet (quick fix)

Breakaway screws (e.g. Squeeeeek No More kit, ~£20) are designed for this: you drive a special screw through the carpet into the joist, then snap the head off below the carpet surface. Effective and invisible. Good for a few isolated squeaks; for a floor that’s squeaky everywhere, lift the carpet and do it properly.

From above (exposed boards)

With visible floorboards, you want the fix to look good too:

• Screw and plug: Counterbore the screw hole, drive the screw, glue in a matching wood plug (or filler for painted floors). On stripped pine floors, plugs in matching timber are nearly invisible.
• Talcum powder or graphite: For boards rubbing together (edge-to-edge squeaks), work powdered graphite or talc into the gap — it’s a dry lubricant. Surprisingly effective for minor squeaks, and invisible. Reapply annually.
• Wax: Rub a candle or paraffin wax stick along the tongue-and-groove joint. Same principle as talc, longer-lasting.

From below (if you have access)

Cellar, basement, or a crawl space? Lucky you — the best fixes are from underneath:

• Sister a batten: Screw a length of 2×2 timber alongside the joist, tight under the loose board, then screw up through the batten into the board. Rock solid.
• Shim the gap: If there’s a visible gap between board and joist, tap in a wood shim coated with wood glue. Don’t force it — you’re filling the gap, not jacking the floor up.
• Pipe squeaks: If a heating pipe is rubbing in its notch, wrap the pipe in felt pipe lagging at the contact point, or ease the notch slightly wider. Never notch a joist deeper to fix this — notches weaken joists.

When it’s not the boards

• Bouncy floor + squeaks everywhere: Possible joist problem — undersized joists, removed walls below, or rot. Get a builder or structural engineer to look. Don’t just screw boards down harder; you might be masking a structural issue.
• Squeaks only when heating’s on: Pipe expansion. Lag the pipes where they pass through joists.
• New engineered wood or laminate squeaking: Usually an uneven subfloor — the boards flex over dips. Prevention (levelling before laying) beats cure. See our guide to laying laminate properly — subfloor prep is everything.
• Stairs squeaking: Same principles — screws from below into the treads, or glued shims in the joints. Stair squeaks echo through the whole house, so they’re worth fixing.

The “nuclear” option: screwing the whole floor

If you’re renovating anyway (new carpet going down, for instance), the pro move is to screw down every board to every joist before the new floor covering goes on. A box of 500 screws costs £15, it takes a couple of hours for a room, and you’ll never hear the floor again. It’s the kind of job future-you will be enormously grateful for — like rewiring before redecorating, some jobs are infinitely easier before the finishes go on.

When the squeak is actually structural

Most squeaks are just loose boards — but occasionally the noise is telling you something more serious. Bouncy floors (noticeable spring when you walk) can mean joists are undersized, damaged by woodworm, or weakened by badly-placed notches for pipes and cables. Cracked or split joists need a structural fix — sistering a new joist alongside the damaged one — which is beyond DIY for most people. If the floor moves visibly, if there’s a musty smell suggesting rot, or if the squeaking appeared suddenly after years of silence, get a professional to take a look before you just screw things down. Screws mask the symptom; they don’t fix a failing joist.

The practical takeaway

Find the exact squeak (masking tape is your friend), then screw the loose board to the joist — 50mm screws, two per board per joist, pre-drilled. For edge-rubbing squeaks, talc or wax in the joint. From below, battens and shims are the pro fix. And if you’re laying new flooring anyway, screw the whole lot down first — £15 of screws now saves years of midnight creaking. Most squeaks are a 10-minute fix once you know where they are; the diagnosis is the job, the screw is the easy bit. And if you’d rather not crawl around under floors yourself, a TrustMark-registered carpenter will sort a squeaky room in an hour or two.