Tread, riser and stringer work Repair, not replacement Free written quotes

Squeaky stairs repair

Squeaky Floor tracks down and fixes squeaky stairs: the loose tread, riser or wedge that is moving, refastened at the joint rather than patched over.

Each step puts your full weight on a few small joints, and when one of them loosens you hear it on every trip.

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Why staircases start to squeak

A stair squeaks when a tread or riser moves against the part it is fastened to. Every trip puts a concentrated load on a few joints, and unlike a floor there is nowhere for that load to spread out. Wood staircases are built in two common ways, and they loosen differently. In a traditional staircase the treads and risers sit in grooves cut into the side stringers and are held tight by glue-coated wedges driven in from underneath, with small triangular glue blocks in the corner where each tread meets its riser. Over time the glue fails, the wedges dry out and back off, and the tread moves a fraction against the riser or stringer. In a site-built staircase, often the kind under stair carpet, the treads and risers are nailed onto stringers sawn into a sawtooth profile. There the squeak is usually a nail working loose in its hole or a tread rubbing on the stringer it sits on, which is why the Boise Cascade stair guide calls for construction adhesive on every contact surface. Both types are wood, so the seasonal drying that loosens a subfloor fastener also loosens a stair joint, and stair noise tends to rise once the heating season starts. In most cases the fix is refastening or re-wedging the specific joint that has moved, not rebuilding the stairs.

Where a stair squeak comes from

In most cases a stair squeak traces back to one of these five joints or fasteners.

Loose tread

The horizontal board you step on has separated slightly from the riser or the stringer beneath it.

Failed glue blocks

The small triangular blocks glued into the tread and riser joint have let go, usually from age and drying.

Backed-out wedges

The tapered wedges driven into the stringer grooves from underneath have shrunk and loosened, letting the tread float.

Nails working against wood

Fasteners that have worn their own hole and no longer hold the joint tight. A common cause on nailed, carpeted stairs.

A moving stringer

Less common, but where the stringer itself has pulled away from the wall or the framing, the whole flight moves.

Below or above the treads

How a squeaky stair is found and fixed

The squeak is found first, one tread at a time. One person walks the flight slowly, stopping on each step and shifting their weight from the front of the tread to the back, while the other listens from below or keeps a hand on the tread to feel which edge moves. Where the underside of the stairs is open, the repair goes in from below and nothing visible changes. Loose wedges are knocked out, re-glued and driven back. Failed glue blocks are replaced with new blocks glued and screwed into the corner between tread and riser, using screws short enough that they cannot come through the tread. Glue-coated shims close any gap between a tread and its riser or stringer. Where the underside is closed in, as when the stairs run over a closet or a finished basement, the repair goes in from the face. On bare wood treads that means pre-drilling and driving screws down through the tread into the top edge of the riser just behind the nosing, then countersinking and filling the holes. Carpeted stairs are the awkward case: the carpet is lifted back on the treads that need it or the screws go through it, and we want to see the stairs before choosing which.

How we repair squeaky stairs

Find the moving joint

We load each tread and riser individually to identify exactly which joint is producing the noise before touching anything.

Refasten or re-wedge

From behind where the underside is open, or discreetly from the face where it is not, depending on access and finish.

Test the full flight

We walk every step again afterwards, because fixing one tread sometimes reveals a second that was masked by the first.

What squeaky stairs repair typically costs

Priced per tread, because each step is its own repair. The top of the range allows for wedge and block work at the joint. It is a budgeting range. Your exact number comes in a written quote once we have seen the staircase.

Squeaky Stairs Repair

$175 to $450 per tread typical

Priced by the number of treads needing attention
Often a same-visit fix for a few steps
Full price set in a written quote

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Our Process

From your call to a quiet staircase

1

Tell us which steps

Which treads squeak, whether it is going up, coming down or both, and whether the stairs are carpeted or bare wood.

2

We ask about access

Whether the underside of the stairs is open, finished, or in a closet, because that changes the approach.

3

Written quote by tread count

Priced against the number of treads that need work, confirmed before we start.

4

Repaired and walked through

We fix the joints, test the full flight, and show you what was moving.

Clients on the floors we repaired

We hired them to fix squeaking and movement in our hardwood floor. They identified the underlying problem quickly and completed the repair without needing to replace the entire floor. Everything now feels solid and quiet.

We needed an urgent flooring repair after several boards became loose and uneven. The team responded quickly, secured the boards, and corrected the uneven sections. Professional service and a high-quality repair from start to finish.

They repaired several damaged hardwood boards in our living room and blended the replacements beautifully with the existing floor. The team was punctual, tidy, and careful throughout the job. You can barely tell where the damage was.

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Squeaky stairs repair questions

Can squeaky stairs be fixed without replacing the staircase?

In the large majority of cases, yes. A staircase is an assembly of treads, risers, stringers, wedges and glue blocks, and a squeak means one of those components has loosened rather than failed. Refastening or re-wedging the specific joint that is moving is a targeted repair. We would only raise a rebuild if we found the stringer itself was compromised, which is uncommon.

Do you have to work from underneath the stairs?

It is the cleaner option when the underside is accessible, because we can re-wedge and reblock the joints without touching the visible face of the stairs. Where the underside is finished, in a closet, or otherwise closed in, we work discreetly from the face instead. We will tell you which applies before quoting.

Why are our stairs noisier in winter?

The wedges and blocks holding a staircase together are wood, and wood shrinks as indoor air dries out during the heating season. A wedge that was tight in August can be marginally loose in January, which lets the tread move. It is the same mechanism that makes floors squeak more in winter, concentrated into a smaller assembly.

How many treads usually need work?

Often fewer than people expect. Each tread is its own assembly, so the noise usually comes from a few specific steps rather than the whole flight, which is why we price by tread count rather than as a flat staircase job. We check every step so we do not leave you with a second squeak a week later, but we only charge for what needed doing.

Is a squeaky stair a safety problem?

A squeak on its own is a noise, not a hazard. What is worth taking seriously is a tread that feels soft, springy or that moves noticeably underfoot, or a handrail or baluster that has come loose. Those are worth looking at promptly. If we find any of that during a squeak visit we will tell you.

Can I fix a squeaky stair tread myself?

Often, yes, if the underside of the stairs is open. From below you can glue and screw a wood block into the corner where the tread meets the riser, with screws short enough to stop well below the top of the tread, and tap glue-coated shims into any gap between the tread and the riser or stringer. From above, on a bare wood tread, measure how far the nosing overhangs the riser, pre-drill, and screw down through the tread into the top edge of the riser, then countersink and fill. Stop and get help if a tread is cracked or soft, if the stringer has pulled away from the wall, or if the stairs are carpeted and you would have to lift and refit the carpet.

Our house is under a year old. Should the builder fix the squeaky stairs?

Check your warranty first, because in Ontario it may be the builder’s job. Tarion’s Construction Performance Guidelines, Article 10.12, say stair risers and treads shall be free of squeaks caused by loose or inadequately fastened joints, and that those joints shall be repaired. It is a one-year work and materials item, and squeaks from normal shrinkage after construction are excluded. The guideline also notes that a squeak-free stair may not be attainable. Read the wording on Tarion’s page for Article 10.12 and confirm your claim process with Tarion before paying anyone.