How long does polyurethane take to dry?
Short answer
2-24 hours per coat
Water-based poly recoats in 2-4 hours; oil-based needs about 24 hours per coat.
What changes the time
| Condition | Time | Why |
|---|---|---|
| with oil-based poly | 24 h per coat | Oil-based finishes cure much slower. |
| on floors | 24-48 h to walk | Full cure for furniture takes up to a week. |
Tips
- Light sanding between coats improves adhesion.
FAQ
How long before I can walk on poly floors?
Socks after 24 hours; full use after a few days.