IQHab › United States › Flooring › Flooring Buckling — Causes & Fixes
Flooring buckling
Buckling or cupping flooring is usually a moisture problem. Here's what to do.
Likely causes
| Cause | Likelihood | Severity | Cost |
|---|---|---|---|
| Moisture or humidity | high | Medium | $200–$2,000 |
| Poor installation | medium | Medium | $300–$1,500 |
| Subfloor issues | medium | Medium | $500–$2,000 |
| Missing expansion gap | low | Low | $100–$500 |
Safe checks you can do
- Check for moisture or a leak.
- Look at the expansion gaps around the room.
- See if it's cupping in one area or everywhere.
Emergency signals
- Active water leak
- Mold
- Warped planks
Next action
Find and fix the moisture source first. Some buckling resolves as it dries; severe cases may need replacement.