How to Fix Squeaky and Creaky Hardwood Floors

If you have hardwood floors, you will almost certainly deal with a squeak at some point. According to the American Hardwood Information Center, squeaking is one of the most common complaints homeowners have about wood floors — and most of the time, it has nothing to do with the quality of the floor itself. It's just wood doing what wood does.

Here's the good news: the vast majority of squeaks are a DIY fix. No flooring experience required, and most repairs cost less than $20 in materials. The key is diagnosing which layer is causing the noise before you reach for the drill. Fix the wrong layer and the squeak comes right back. Diagnose it correctly, and it's usually gone in an afternoon.

Why Do Hardwood Floors Squeak and Creak?

All squeaks have one root cause: movement. Somewhere in your floor system, two surfaces are rubbing against each other when weight is applied. The sound they make tells you where to look.

Squeak — a sharp, high-pitched friction noise — typically means two boards are rubbing together, or a board is rubbing against a fastener. Creak — a lower, more drawn-out sound — usually comes from a board flexing against the subfloor below it. Pop — a single sharp snap — often means a board is snapping back into position after shifting slightly on a nail. Groan — a sustained sound under load — is usually subfloor-to-joist movement and is the type most worth getting professionally assessed.

Understanding which sound you're dealing with is step one. It narrows the repair before you even get on your knees.

The most common causes:

• Seasonal humidity changes — wood expands and contracts as moisture levels shift. Dry winter air causes boards to shrink and gap, giving them room to rub. This is the most common cause of squeaks in otherwise well-installed floors
• Loose fasteners — nails and screws gradually back out under years of foot traffic, creating slight movement between the floorboard and subfloor
• Subfloor gaps — an uneven or improperly installed subfloor leaves voids beneath the finished floor; when weight is applied, the floor flexes into those voids and rubs
• Normal home settling — framing materials shift slightly over years, particularly in older homes, creating new gaps and contact points between layers

Step 1 — Diagnose Which Layer Is Causing the Squeak

This is the step both DIY guides and flooring pros agree most homeowners skip — and it's why so many repairs don't actually solve the problem.

Your floor system has three layers that can each independently produce noise:

Layer 1 — Floorboard to floorboard: Boards rubbing laterally against each other. This produces a squeak right at the surface. You can often see a slight movement between adjacent boards when you press down on the squeaky spot. Fix: lubrication or surface fasteners.

Layer 2 — Floorboard to subfloor: The finished floor is flexing against the subfloor below. Press down firmly on the squeaky board — if it has noticeable give or bounce, this is your layer. Fix: screws from above or shims from below.

Layer 3 — Subfloor to joist: The subfloor itself is moving against the structural joist beneath it. This produces a deeper creak and often covers a wider area than a single-board squeak. If basement or crawlspace access shows visible daylight between the subfloor and joist, this is your culprit. Fix: adhesive and shims from below.

Walk slowly across the squeaky area and press down with your foot in slightly different positions. The spot that produces the loudest noise, and the nature of the sound, will tell you which layer to target.

Is It a Seasonal Squeak? Check Before You Repair

Before doing anything structural, ask yourself: when did the squeak start?

Squeaks that appear in late fall or winter and improve or disappear by spring are almost always seasonal — caused by dry heating air pulling moisture out of the wood, causing boards to contract and create small gaps where friction occurs. These squeaks frequently self-resolve as humidity rises in warmer months and the wood re-expands.

If your squeak is seasonal, the correct fix is humidity control, not screws. Maintain indoor humidity between 35–55% year-round — a range that aligns with both hardwood flooring manufacturer recommendations and EPA indoor air quality guidance. A whole-home humidifier during dry winter months will often quiet a floor that a dozen screws couldn't.

If the squeak is present year-round regardless of season, it's structural rather than seasonal — and the fixes below will address it permanently.

Quick Fixes First (No Tools Required)

Before drilling anything, try these. They work surprisingly often, particularly for board-to-board squeaks at the surface level.

Powdered graphite or talcum powder: Sprinkle generously along the squeaky joint between boards. Lay a cloth over the area and walk back and forth repeatedly to work the powder into the gap. The lubricant reduces friction between the surfaces. Reapply once or twice if needed. This is the NWFA-endorsed first approach and should be your starting point for any surface-level squeak.

Glazier points: Those small triangular metal pieces used to secure window glass also work for floor squeaks. Use a putty knife to wedge them into the joint between squeaky boards. Simple, invisible, and surprisingly effective for board-to-board friction.

Liquid wax (wax-finished floors only): If your floor has a wax rather than urethane finish, work liquid wax into the squeaky joint. Never use wax on a polyurethane-finished floor — it builds up residue and causes adhesion problems during future refinishing.

How to Fix Squeaky Floors from Above

This is your only option in apartments, condos, or any home without basement or crawlspace access. It works well — the trade-off is minor cosmetic patching at the screw holes.

Step 1: Mark the squeaky area with painter's tape. Use a stud finder to locate the nearest floor joist beneath the floor if possible — screwing into a joist gives the most secure fix.

Step 2: Drill a pilot hole slightly smaller than your screw diameter. Pre-drilling is non-negotiable — driving a screw into hardwood without a pilot hole will split the board.

Step 3: Drive a trim-head or finish screw through the pilot hole, angled slightly toward the joist if you've located it. Countersink the head just below the surface.

Step 4: Fill the hole with color-matched wood filler. Let dry, sand flush, and touch up the finish if needed.

Squeaky floor repair kits (available at most hardware stores) include breakaway screws specifically designed for this — the screw head snaps off flush at the surface, leaving almost no visible mark. These are the cleanest above-floor repair option and worth the extra few dollars.

How to Fix Squeaky Floors from Below

If you have basement or crawlspace access, this is always the preferred approach — it leaves the finished floor surface completely untouched.

For a floorboard-to-subfloor gap (Layer 2):
Have someone walk the floor above while you watch from below. Find where the subfloor flexes when they step on the squeaky spot. Apply construction adhesive along the underside of the subfloor at the gap, then drive a short screw through the subfloor (not through the finished floor above) at an angle to pull it tight. The person walking above should press down during this step for the best contact.

For a subfloor-to-joist gap (Layer 3):
Tap a wooden shim coated with construction adhesive into the gap between the subfloor and the joist. Use a gentle tapping motion — forcing the shim in too hard will lift the finished floor above. Let the adhesive cure fully before walking on that area.

When to Call a Professional

Most squeaks are cosmetic. But some sounds indicate something more significant. Call a professional if you notice any of the following alongside the squeak:

• Soft or spongy spots when you press down — this can indicate subfloor rot, usually from a past moisture intrusion
• Widespread creaking across multiple rooms rather than an isolated spot
• Visible floor movement — boards that visibly rise or shift when stepped on
• Squeaks in a newly installed floor — new floors should not squeak; this typically points to improper installation and should be addressed by the installer before you make any DIY repairs, which could void your warranty
• Uneven or sloping floor sections — these can indicate structural joist or foundation issues that go well beyond a simple squeak repair

Does Solid or Engineered Hardwood Make a Difference?

Yes — meaningfully so. Solid hardwood is a single piece of wood from top to bottom, which means it reacts more dramatically to humidity changes. It expands and contracts across its full thickness with every seasonal shift. That's a lot of movement, and movement is what causes squeaks.

Engineered hardwood's plywood core is inherently more dimensionally stable — the cross-grain construction of the layers resists the expansion and contraction that causes seasonal squeaking. It's one of the reasons engineered hardwood is recommended for basements, rooms with radiant heat, and any space with naturally variable humidity — not just because it handles moisture better, but because it stays quieter underfoot over time.

If you're choosing between solid and engineered for a renovation, the squeak difference is worth factoring in alongside the moisture tolerance and installation flexibility that makes engineered the more practical choice in most residential applications.

The Bottom Line

Diagnose before you drill. A seasonal squeak needs humidity control, not screws. A surface squeak needs lubrication before hardware. A structural squeak needs to be located at the right layer — board, subfloor, or joist — before any fix will hold.

Most squeaky hardwood floors are a straightforward DIY repair. The ones that aren't — soft spots, widespread movement, newly installed floors — are worth a professional's assessment to make sure the squeak isn't telling you something more significant.

For more on keeping your hardwood floors in the best possible condition year-round, see our complete hardwood floor care guide. And if you're weighing your flooring options for a new installation — particularly in a space where moisture and humidity make hardwood high-maintenance — both wood-look tile and waterproof luxury vinyl plank deliver the same warm aesthetic with none of the seasonal movement, fastener loosening, or squeak risk. Just something worth knowing before you commit.