How to Install Hardwood Flooring on Stairs Like a Pro: A Designer’s Step-by-Step Approach to Transforming Your Staircase With Hardwood

Installing hardwood flooring on stairs is one of those home projects that can totally change how a space feels—yet it comes with a reputation for being seriously technical. I’ve tackled dozens of staircase remodels as an interior designer, from Cape Cod entries to modern open-riser styles. If you’ve ever thought about taking this project on yourself—or collaborating with a pro—here’s what really matters for lasting results (and no squeaky steps later!). This guide explains each step, shares tools you might not think of, and includes pro tips for every skill level.

Project Planning

Like any flooring job, putting hardwood on stairs starts with planning. Not all staircases are created equal—consider the width, type (closed or open), and whether you’ll need to modify nosing or add risers. Measure every step twice, paying attention to depth and width, as stairs sometimes vary slightly. Don’t forget to check local building codes; in the U.S., codes usually require stair treads to be at least 10 inches deep and risers under 7.75 inches high.

If you’re planning a larger renovation, pairing your stair project with a free floor plan creator can help visualize the transformation, especially in open-concept homes.

Choose the Right Tools

Professional installers rely on a specific shortlist: a miter saw for cutting planks, a table saw for ripping tread boards, a finish nailer or drill, flooring adhesive, pry bar, and a high-quality measuring tape. If your current staircase has carpet or laminate, have a utility knife and pliers ready for demo. Safety glasses and a sturdy dust mask are a must—ripping up old stairs is messy business!

AI-Assisted Modeling

I’ve recently started using AI-powered design tools (like AI home design and planning apps) to test hardwood color combos, stair runner ideas, and even baluster styles before committing to a direction. These allow clients to “see” their updates virtually, reducing project anxiety and helping us pick the perfect finish to match their aesthetic.

Level of Detail & Time

Installing hardwood on stairs is more detailed than a flat floor. Each step involves measuring, cutting, dry-fitting, and then affixing. Most single flights (12–14 treads) take a weekend for experienced DIYers, or up to three days for beginners. If you run into odd-shaped steps or pre-existing trim, set aside extra time for custom cuts. I always recommend dry-fitting planks on each tread before gluing or nailing—you’d be surprised how often factory milled boards require slight adjustments.

Common Mistakes & Fixes

The most common pitfalls I see are skipping the underlayment, not acclimating wood (it should sit in your home for at least 48 hours), or not securing planks tightly enough which can lead to squeaks later. Use a high-tack wood flooring adhesive under treads and risers, along with finishing nails or trim screws. Check for level after each tread; I’ve seen small mistakes compound by the time you reach the top. If a plank overhangs the nosing, sand or trim it to avoid a safety hazard.

One of my most memorable projects was a 1950s split-level where the client was set on using reclaimed oak from her childhood barn. We ran into warped planks, but careful dry-fitting and a few shims brought the project together seamlessly. The end result blended nostalgia with modern durability—a true conversation starter.

FAQ

1. How much does it cost to install hardwood on stairs?
2. For materials and tools, expect $75–$200 per stair, as of 2025 (Houzz Design Insights). Labor can double that.
3. Can I use engineered hardwood on stairs?
4. Yes, engineered wood is stable and performs very well on stairs—just be sure to use stair-specific nosing for safety.
5. Do I need to remove old stair treads?
6. Not always—you can install hardwood directly over sturdy existing treads. Weak or damaged treads should be replaced.
7. How do I keep the stairs quiet?
8. Apply construction adhesive under each tread/riser and use both nails and screws for a squeak-free finish.
9. What’s the best way to cut stair edging?
10. A miter saw with a fine-tooth blade gives the cleanest edge, especially for nosings and corners.
11. Can I install hardwood on open riser stairs?
12. Yes, but you’ll need to finish all visible sides of the plank for a polished result. A 3D preview can help visualize edges.
13. How long should wood acclimate before installing?
14. At least 48–72 hours inside your home, with temperature and humidity at normal living conditions (Statista 2025).
15. What’s the easiest stair style for DIY?
16. Boxed-in, closed staircases are easiest. Open stairs or those with winding steps need more precise cuts.
17. Do I have to finish the nosing?
18. Yes, stair nosing is essential for safety and looks—never skip it!
19. Can AI help design custom stairs?
20. Absolutely—platforms like AI floor planner let you preview color, material, and layout combinations instantly.
21. How do I match stair hardwood to the rest of my home?
22. Bring sample planks to your stairs and compare under both daylight and indoor lighting. AI tools let you test digitally before buying.
23. Can I mix hardwood with a runner?
24. Yes, use a hardwood base and add a secured, non-slip runner for safety and style. This also helps reduce noise in high-traffic homes.