Why has my laminate flooring raised?

Author: Ms. Edna DuBuque DVM  |  Last update: Sunday, June 28, 2026

During humid periods, you might be confronted with a rising floor. That's because humidity can expand or shrink your laminate boards. Combine that with boards that are a bit too close to the wall and your laminate floor will rise.

How do you flatten raised laminate flooring?

How to fix lifting laminate flooring
  1. Replacement planks: If the lifting is severe, you might need to replace the damaged planks.
  2. Utility knife: To cut away damaged or protruding edges.
  3. Wood glue: For reattaching loose planks.
  4. Heavy objects: To weigh down glued sections during drying.

How to fix laminate flooring that is lifting up?

Pry up the boards, starting at the wall, until you get to the damaged ones. Replace them, one by one, as needed. Snap the new board into place by putting the tongue into the groove of the existing, undamaged board. Finish the repair by using finishing nails to put the molding or baseboards back into place.

Why is my laminate floor bulging?

Laminate expands and contracts due to heat and humidity. With the extra insulation it might have created a more humid space so your laminate has expanded causing it to ``bulge''. Get a humidity tester to make sure your humidity is within the manufactures guidelines (usually 35-55%).

How to fix bouncing laminate flooring?

Fixing a bouncy laminate floor involves addressing any underlying issues such as an uneven subfloor or inadequate underlay, and may include solutions like using a floor levelling compound or replacing damaged boards.

How to Fix a Bent or Raised Up Edge on your Luxury Vinyl Plank Flooring

Why is my floor bulging upwards?

Have you noticed your floor bulging upwards? This common issue can be caused by factors like moisture damage, poor structural support, foundation issues, or improper installation.

Is it normal for laminate floors to bounce?

It's normal for your laminate flooring to feel a little bit bouncy. A minor amount of “deflection” (feeling the flooring compress and spring back underfoot) is actually a good thing – that slight give means the flooring is absorbing some of the impact of your steps.

How do you fix swollen laminate flooring without replacing it?

Apply weight to the floor: Once the area has started to dry, place heavy items, such as books, on top of the affiliated planks. This will help flatten them back into place while they dry. Apply heat to the planks: For planks that are still swollen, apply heat to the floor.

What would cause a hump in the floor?

Water and porous soil are some of the factors that put the most pressure on foundations. If your foundation has not yet failed, the humps might be a sign that action is required soon. One of the steps that foundation professionals can take to provide more support is placing piers.

What causes laminate to lift?

Spills, high humidity, or moisture from the subfloor can cause the laminate to swell and lift. Improper Installation: Insufficient space for expansion at the edges of the flooring can lead to lifting. Laminate flooring needs a small gap around the edges of the room to allow for natural expansion and contraction.

Why is my floor raising up?

Moisture is the number one cause of floor lifting. This is especially true in places like bathrooms and kitchens which typically have more humidity than other areas.

Why is my laminate flooring not laying flat?

If there's excess moisture within the subfloor or the concrete slab on which you're laying the flooring, the laminate may not lay as flat as you'd like. If it's more than 6-9% damp, you may need to use a dehumidifier or try to dry out the area before the floor can be laid.

Can laminate flooring be lifted and relaid?

With a delicate touch and the right tools, the planks can be lifted with minimal harm. Then you can reuse them in your next project.

How to fix vinyl plank flooring that is lifting?

  1. Step 1: Clean the Area. ...
  2. Step 2: Apply Heat to the Lifting Vinyl. ...
  3. Step 3: Lift the Vinyl Gently. ...
  4. Step 4: Apply New Adhesive. ...
  5. Step 5: Press the Vinyl Back Down. ...
  6. Step 6: Trim Any Excess Vinyl (If Necessary) ...
  7. Step 7: Secure the Edges (Optional) ...
  8. Step 8: Allow the Adhesive to Cure.

Why has my wooden floor risen?

This expansion and contraction process is entirely normal with solid wood flooring. In a domestic setting, particularly in centrally heated homes, floors expand and contract with the seasons. During winter months, when you switch the central heating on, wooden floors lose moisture and will contract.

Why is my laminate floor spreading?

Water damage or temperature fluctuations are the most common culprits of buckling and warping. If you address the issue quickly enough, you can usually prevent the laminate flooring problems from spreading.

How do you fix a bulging floor?

How to Fix Floor Bulging Upwards?
  1. Step 1: Identify the cause. ...
  2. Step 2: Remove any obstacles and Assess. ...
  3. Step 3: Address moisture issues. ...
  4. Step 4: Relieve pressure on the bulge. ...
  5. Step 5: Investigate the subfloor and joists. ...
  6. Step 6: Flatten the bulging area. ...
  7. Step 7: Secure the floorboards. ...
  8. Step 8: Replace damaged flooring.

How do you get rid of a hump?

The best exercises for a neck hump include:
  1. Shoulder rolls.
  2. Chin tucks.
  3. Cat pose.
  4. Chin-to-shoulder stretch.
  5. Squeezing your shoulder blades together.

How to fix bumps in laminate flooring?

Minor bubbles can be fixed by “bursting” them. Place a damp cloth on the bubble and cut a slit on the bubbled area using a sharp knife. Squeeze wood glue into the slit you have opened and press the veneer down. Place a weight overnight so that it is entirely flattened.

How to flatten raised laminate flooring?

Using A Roller. Sometimes, generally if the cause of the defect is not excess moisture, you can force the laminate back down into shape by rolling it repeatedly with a 100lb roller.

Will laminate floor swelling go down?

Start by drying out the affected area using fans or dehumidifiers. If the swelling is minor, you may be able to fix it by gently tapping the swollen boards back into place using a rubber mallet. However, if the swelling is severe, you may need to replace the damaged boards altogether.

Can you fix laminate flooring that is lifting?

Inspecting the subfloor for any unevenness, moisture, or damage is crucial in understanding why the laminate is lifting. Once the cause is pinpointed, the next step involves repairing subfloor issues, which could range from levelling the surface to replacing damaged sections.

What is a common problem with laminate flooring?

Buckling or Warping – Laminate flooring is not waterproof. If you fit laminate in wet or moisture-rich areas, the floor can become damaged, often beyond repair.

Why does my floor feel bouncy when I walk?

This usually means your floor joists are a little too far apart or the joists span too much open space without a support beam underneath them.

How long does it take for laminate floors to settle?

Laminate flooring needs a minimum of 48 hours to acclimatise, however, you can leave your flooring up to 72 hours if your manufacturer hasn't provided any instructions and you want to be extra careful that it's had time to get used to the conditions in the room.

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