Can You Repair Hardwood Floors That Have Buckled?

by | Last updated on January 24, 2024

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When it comes to buckled hardwood flooring options, the good news is that your floor might not need a major repair job.

A buckled floor with only minor damage can sometimes be repaired simply by removing the excess moisture

, but serious buckling will necessitate replacing the hardwood boards.

Will cupped hardwood floors flatten out over time?

In some cases,

if the cupping was not severe the flooring may flatten to an acceptable level with minor gapping after drying

. Remember the flooring has lost moisture so some shrinkage will result. Before any repair or remediation the flooring should be checked for looseness.

How much does it cost to repair a buckling wood floor?

Cost to Fix Hardwood Floor
National average cost


$2,000
Average range $1,000-$5,000 Minimum cost $100 Maximum cost $6,000

How do you fix a lifted hardwood floor?

To fix this problem, you have to

resecure the boards to the subfloor

, which isn’t difficult if you can get under the floor. If you can pinpoint the locations of the squeaks, a few well-placed screws driven into the subfloor should hold them down. Be sure not to oversize the screws.

Will buckled floors go back down?


If the buckling is only minor, in many cases the boards might return back to normal

. If the boards are still showing areas of damage and buckling, you’ll need to replace them.

What would cause hardwood floors to buckle?

Humidity

Humidity is moisture, after all, and

the more moisture that comes into contact with hardwood, the more swelling it causes, which leads to buckling

. Unfortunately, wooden floors absorb moisture from the air, so the risk here is fairly high.

Why is my floor bulging?

When a floor board starts to bulge, it’s

usually because it is warped

. Hardwood floors usually warp because they have been exposed to water, or excessive humidity. The water causes the fibers in the wood to swell and shrink. A board that is severely bulged will most likely need to be replaced.

Why is my hardwood floor warping?

Hardwood floor warping is

most often caused by some kind of water or moisture damage

.

Is it cheaper to replace or refinish hardwood floors?

In most scenarios,

refinishing rather than replacing your hardwood floor is the ideal outcome

. While refinishing hardwood can be a long and tedious process, it is much more cost-effective than a total replacement. During the refinishing process, all furniture will have to be removed from the room.

Can cupped wood floors be fixed?


To truly fix it, you must get to the source of the water damage

. Once you’ve addressed that, you can try to get your wood floors back to their original beautiful state. For minor cupping, the fix might be as simple as returning the room to its normal humidity levels with a dehumidifier.

Can you sand warped wood floors?

Sanding for Curled Edges or Larger Warps

If the board is warped in the middle or has curled edges,

you can try to sand out the buckling and warps

. The amount of sanding that is needed will be based on the severity of the warp or buckling. You also have to check the thickness of the board.

Why do my hardwood floors look wavy?

As wood absorbs moisture, it can swell.

When hardwood flooring swells too much, individual boards will start to push out around the edges and be higher than the center

—creating an indentation that runs the length of the board that gives it a “wavy” appearance.

Why is my floor lifting?

Laminate floor lifting or buckling can be caused by

changes in temperature and humidity levels

. Use a hammer and chisel or putty knife to remove baseboards or molding near the damaged boards. If spacers were used between the wall and the board closest to it, replace them with smaller spacers.

Will warped wood floor go back to normal?

Cupped flooring looks bad but it’s

almost always reversible

. It can usually be corrected by simply restoring proper humidity inside the room, which will help balance out the moisture above and below the flooring.

How do you fix water damaged hardwood floors?

  1. Remove Surface Water. …
  2. Scrub the Floor. …
  3. Treat Moldy Areas. …
  4. Dry the Floor. …
  5. Sand Water-Damaged Wood Flooring. …
  6. Deal With Mold on Wood Under Paint. …
  7. Replace Laminate.

Will a dehumidifier help wood floors?


When a dehumidifier is left on an automatic setting, it will remove excess moisture from the air. This will greatly reduce the amount of moisture your wood flooring will absorb

and most automatic settings will maintain humidity at around 50% RH. Ideal for any wood floor type and good for your health too.

How do you fix bowed wood?

  1. Wrap the wood in moistened towels. Moisten one or two large towels and wrap them around the wood, making sure that the entire warped area is covered. …
  2. Place the covered wood on an ironing board. …
  3. Heat an iron to its highest setting. …
  4. Press the iron over the warped surface. …
  5. Repeat as needed.
David Martineau
Author
David Martineau
David is an interior designer and home improvement expert. With a degree in architecture, David has worked on various renovation projects and has written for several home and garden publications. David's expertise in decorating, renovation, and repair will help you create your dream home.