Yes, swollen laminate can be repaired, but it depends on the severity. Because laminate is made of pressed wood fibers that absorb moisture, once it swells, it rarely shrinks back to its original shape.
Laminate floor swelling sometimes recedes if the damage is minor or caught early. However, because standard laminate has a fiberboard core, severe water damage often causes permanent deformation.
Bubbles in laminate are typically caused by trapped air, excess moisture, or heat damage. Fixing the issue depends on whether you are dealing with laminate flooring or laminate furniture. Here is how to repair the most common types of laminate bubbles:
If the swelling is caused by high humidity or moisture buildup, you can use a damp cloth or vacuum cleaner to remove any excess water or moisture. Be sure to use a cloth that is only slightly damp, as excessive moisture can cause the flooring to swell further.
When laminate flooring swells, it is usually because water has penetrated the core, causing the fiberboard to expand. Because laminate is a compressed wood product, you cannot completely "un-swell" it, but you can significantly flatten it and seal it to prevent further lifting without pulling up the whole floor.
Laminate flooring typically bubbles because of moisture damage, trapped air pockets during installation, or because the planks were installed too tightly and have no room to expand.
Can swollen or warped wood floors be fixed? Yes, many can be saved, but it depends on the severity and how quickly you act. For minor cupping, professional drying is often enough to return boards to normal, sometimes with weights to help them flatten.
While vinegar is a popular DIY cleaning solution, it's not recommended for laminate floors. Its acidic nature can dull the laminate's finish over time. Instead, opt for a pH-neutral cleaner specifically designed for laminate flooring to ensure it remains vibrant and undamaged.
Apply heat to the planks: For planks that are still swollen, apply heat to the floor. Use a hair dryer to dry the area, or place a cloth over the floor and safely iron it to help the floor expand and contract.
Even a more noticeable bounce can be normal, as bouncy laminate flooring may take weeks or months to feel fully settled and sturdy.
Because laminate flooring has a fiberboard core, once it absorbs water and swells, it cannot shrink back to its original shape. Minor edge swelling can be camouflaged by filling, but severe swelling requires cutting out and replacing the affected planks to fully restore the floor's appearance.
Whether you can put laminate over laminate depends entirely on what you are laminating.
For smaller repairs like scratches and chips, you won't need to replace any of the floorboards. This kind of damage can be dealt with using a flooring repair kit. A laminate flooring repair kit will include multiple colours that can be mixed to get a perfect match for your boards.
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.
Laminate flooring typically lasts 15 to 25 years. High-quality, properly maintained planks can even exceed 30 years, whereas lower-end or neglected options may only last 10 to 15 years.
Yes, mold can and frequently does grow under laminate flooring. Because laminate is made of compressed fiberboard, it is highly absorbent and becomes a prime breeding ground for mold within 24–48 hours if moisture gets trapped underneath.
Make sure the swollen laminate is completely dry (use a dehumidifier if needed) Cover any minor laminate bubbles with a damp cloth and use a knife to cut a slit in the area. Apply wood glue into the slit and press the veneer down - use a heavy object to weigh it down and leave it for 8-12 hours to dry.
Laminate floor swelling sometimes recedes if the damage is minor or caught early. However, because standard laminate has a fiberboard core, severe water damage often causes permanent deformation.
Laminate flooring typically bubbles because of moisture damage, trapped air pockets during installation, or because the planks were installed too tightly and have no room to expand.
Some green cleaners are specifically formulated for laminate floors and are effective in removing dirt without leaving harmful residues. Alternatively, you can create a homemade cleaner using ingredients like white vinegar, water, and mild dish soap.
Never use steam mops, excess water, abrasive scrubbers, or harsh chemical cleaners like bleach, ammonia, or wax-based polishes on laminate floors. Because laminate is made of compressed particle board topped with a photographic layer and clear protective coating, moisture and harsh products will quickly cause warping, swelling, peeling, and a dull, hazy finish.
You should not use Murphy’s Oil Soap on laminate floors. Because laminate has a non-porous factory finish, the soap will leave behind an oily, cloudy film that builds up over time and attracts dirt. It can also create a slippery, streaky surface.
To fix warped engineered wood floors, remove moisture using a dehumidifier, then flatten the boards using heat from an iron and cloth. If the warping persists, replacing damaged boards or professional repair may be necessary.
Significant laminate floor swelling can be visible within 24 to 48 hours of sustained water exposure. The speed depends on how much water is involved and whether it reaches the seams. A spill wiped up within a few minutes rarely causes lasting damage. Standing water or a slow leak left for days almost always does.
You can fix swollen wood by using an iron with a damp rag, sanding the damaged area smooth, and applying furniture oil for protection. Hiring a local water damage restoration professional provides reliable support for major room repairs, mold remediation, and structural restoration work beyond furniture alone.