Stair tread replacement
Stair tread replacement is the job most people discover when they pull carpet off a staircase and find rough construction lumber underneath. It is also the fix for a tread that has cracked, worn hollow in the middle or started to move underfoot. Stairs are used more than any other surface in a house and they are the least forgiving thing to get wrong. It sits inside our trim and finish carpentry service.
Service family Trim and finish carpentry
Scheduling Monday through Friday, 8 a.m. to 4 p.m.
Service area Six counties across Southeast Michigan
Phone (734) 540-0347
What tread replacement involves
The existing covering removed, every tread and riser assessed, the failed or unsuitable ones taken out or covered, new treads cut to the exact width of each opening, fitted with glue and fasteners into the stringers, risers fitted or refinished, nosing profiled at the front edge and the whole flight checked for consistent rise before any finish goes on.
Carpeted stairs hiding construction grade treads
This is the most common version of the call. Builders through the seventies, eighties and nineties used plain, unfinished treads under carpet because nobody was going to see them. Pull the carpet expecting oak and you find pine with staple holes, glue and a rough front edge. Those stairs need either a retrofit tread over the top or a full replacement.
What gets checked first
- Tread and riser material under the existing covering
- Whether the stringers are sound where the treads bear
- Rise measured at every step rather than at the first and last
- Total headroom, which a thicker tread reduces
- Whether the flight is open on one side or closed both sides
Retrofit treads over what is there
A retrofit tread is a thinner finished cap, usually around three eighths to five eighths of an inch, that goes over the existing tread with a new nosing at the front. It is faster, cheaper and less disruptive than replacement, and it is the right answer where the existing treads are structurally sound and merely ugly. It does raise every step slightly, which matters at the top and bottom.
Full replacement, and when it is needed
Where a tread has cracked through, worn hollow, been cut short by a previous repair or is bearing badly on the stringer, it comes out. That means cutting the tread free, cleaning the housings, and fitting a new solid tread to the actual width of the opening, which is never the same at the top and the bottom of a flight in an older house.
Risers, nosing and the parts that go with it
A staircase is treads, risers, nosing, skirt boards and sometimes a return on the open side. Replacing treads alone and leaving painted risers is a common and perfectly good choice, as long as the risers are sound. What cannot be left is a nosing that overhangs by the wrong amount, because that is the edge your foot lands on going down.
Rise and run, and the consistency rule
The single most important measurement on a staircase is the variation between the tallest and shortest rise in the flight. Your body learns the rhythm of a stair within two steps, and a single step three eighths of an inch out of pattern is what people trip on. Adding a retrofit tread changes the rise at the first and last step, and that has to be resolved rather than ignored.
The tread that has cracked or split
A split along the grain of a tread is a structural warning rather than a cosmetic one, and it usually means the tread was undersized or the centre is unsupported. Gluing it and hoping is not a repair. The tread gets replaced and, where the span is long, a centre stringer or blocking goes in underneath it while the stair is open.
Squeaks, and the joint that causes them
Stairs squeak where the back of the tread meets the riser, or where a tread has lost its fastening to the stringer. From underneath, on an open stair, glue blocks and wedges fix it permanently. From above, shims and fasteners through the tread into the stringer. It is the same principle as squeaky floor repair and it is far easier on a stair.
Open and closed stringers
A closed stair, with a wall or skirt board on both sides, needs treads cut to length within a whisker because there is nowhere to hide a gap. An open stair, with one side exposed, needs a mitred return on the tread end and is fussier work at the front. The open version costs more and it is the one people see from the hall.
Species, thickness and finish
Red oak is the regional default: available, hard, takes stain evenly and matches the flooring in most local houses. Maple is harder and blotches under stain. Poplar and pine are for painted treads only, which is fine on a basement flight and wrong on a main stair. Thickness matters for the span, and a thin retrofit is not a substitute for a solid tread.
Prefinished or finished on site
Prefinished treads arrive with a factory coating that is tougher than anything applied in a house, and the colour match to your existing floor is whatever the factory offers. Finished on site means an exact match to the floor at the top of the stairs and a flight that cannot be used for several days. We will lay both options out with the trade off.
Slip resistance and the stairs people fall on
- A consistent rise from bottom to top, with no odd step
- Nosing that projects evenly and is not worn round
- A handrail that is graspable and continuous
- No loose runner or rug at the top of the flight
- Light at both ends of the stair, switched from both ends
Code, rise variation and inspection
Residential stair geometry is governed by the building code adopted by your municipality, and a substantial rebuild can require a permit and an inspection. Replacing treads like for like usually does not. Where the work changes the rise, the run or the handrail, we check with the building department before starting rather than after an inspector arrives.
Basements, garages and utility stairs
A basement flight with open risers and a shaky rail is the most dangerous staircase in most houses, and it is also the cheapest to fix because the finish does not have to be beautiful. Painted treads, closed risers, a solid rail and a light at both ends transforms it in a day. It usually goes in with stair railing installation.
Accessibility, and the flight that has become a problem
Where somebody in the house has started avoiding the stairs, the tread is only part of it. Consistent rise, a continuous rail on both sides and better lighting do more than any single change. Those decisions belong with our aging in place modifications and bathroom safety work rather than with a carpentry quote.
How long the work takes
A retrofit over thirteen sound treads, prefinished, is two days. A full replacement flight is three to four. Finishing on site adds several days of curing before the stair can be used, and there is no way around that in an occupied house. Sellers with an home inspection repairs list book it early for that reason.
Book stair tread replacement with our crew
Lift a corner of the carpet on your bottom step and photograph what is underneath, because that single picture tells us whether this is a retrofit or a rebuild. We cover Royal Oak and the wider area, sequence floor transitions, baseboard, wainscoting and painting with it, and match new hardwood flooring where it meets the landing. An annual home check keeps the flight tight. View our Portfolio, then contact us now for a free quote.
