How Long Does Hardwood Floor Refinishing Take to Dry and Cure?
The honest answer to "how long does refinishing take" depends on which stage of the process is being asked about. Sanding and prep, the number of coats applied, and the finish product used all affect the schedule, and the manufacturers of the finish products themselves publish specific windows for drying between coats, walking on the floor, and full cure. Those manufacturer numbers are the most concrete source available, and they don't all agree with each other — which is worth knowing before assuming any single figure applies across every product or every job.
Drying is not the same as curing
Bona's technical data sheet for its Traffic HD waterborne finish, dated May 27, 2026, draws a clear line between the two. Drying time between coats is listed at 2 to 3 hours. Curing — the finish reaching its full hardness and durability — takes about 3 days: 80% cured after 1 day, 100% after 3 days. The sheet notes the floor "may be walked on after 24 hours but remains susceptible to scuffing or marring until completely cured," and it specifically instructs not to replace area rugs until the floor has fully cured. That distinction matters: a floor that's dry enough to walk on isn't necessarily hard enough to protect from a rug pad or a dragged piece of furniture yet.
What the data sheets say about time between coats — and where they conflict
For Minwax's oil-based Super Fast-Drying Polyurethane for Floors, the technical data sheet (revision 1, dated January 30, 2026) calls for at least 6 to 8 hours of drying time before recoating — the floor should no longer feel tacky and should be walkable before the next coat goes on. If more than 10 hours pass before recoating, the sheet calls for a light sanding with 220-grit paper first. After the final coat, the sheet specifies waiting 24 hours before light use.
That 6-to-8-hour window is worth flagging because Minwax's own product page for the same finish lists different numbers — a 3-hour recoat time and a 12-to-18-hour dry time — and the company's separate how-to marketing page for the product states 3 to 4 hours before a second coat. The technical data sheet and the marketing materials don't match. The data sheet is the more detailed, product-specific document, so it's the one used here; the shorter marketing-page numbers, and that page's framing suggesting the whole job wraps up in a single day, aren't used.
Minwax's water-based Ultra Fast-Drying Polyurethane for Floors has its own data sheet, undated but current as of 2026, with a tighter window: at least 2 hours but less than 8 hours between coats, or a light 220-grit sanding if that window is missed. That sheet also specifies two coats over a stained floor (or for a screen-and-recoat) and three coats on bare wood. After the final coat, it states the floor "will bear light foot traffic in 24 hours," but adds a more cautious instruction than the oil-based sheet: avoid heavy traffic, and don't put rugs down or clean the floor for seven days, and don't slide furniture back into place.
Bona's own "2 to 4 day" framing
Bona separately markets a "revive, recoat, and refinish" framework on its own site, where a full refinish (sanding to bare wood, then sealer or stain and finish) is described as "ready in 2-4 days." That's Bona's own claim about its own system and its own product line — not a figure that applies across every finish brand or every contractor's process, and it isn't treated here as an industry-wide number. It's included because it's a useful data point for what one major manufacturer says about its own product, not because it substitutes for the drying and curing windows on the actual data sheets above.
Why no single total-job number is given here
Between coat counts, sanding stages, product choice, and room size, the total time a project takes varies enough that no single figure — a flat "X days" for the whole job — is reliable to state as a general rule. What is consistent across every data sheet above is the pattern: a short window of hours between individual coats, a longer window (24 hours or more) before light foot traffic resumes, and a separate, longer cure period before rugs go back down or furniture gets dragged across the floor rather than set down gently. The hardwood floor refinishing process covers what happens at each stage from prep to the final coat, and choosing between a screen and recoat and a full sand-down affects how much of that timeline applies to a given floor.
For more on the difference between water-based and oil-based products mentioned above, see water-based vs oil-based finish. For what to do around the house before the crew arrives, see preparing your home for refinishing, and for how to treat the floor once the cure period ends, see caring for refinished floors.