The short answer
Immediate Steps to Stop the Damage
When water hits laminate flooring, every minute counts. The core board underneath the wear layer is highly absorbent, and it swells quickly. Start by blotting up as much standing water as possible with towels or a wet vacuum. Do not rub, as that pushes water deeper into the seams.
Next, set up fans and a dehumidifier to pull moisture out of the air and from the floor surface. Open windows if the weather allows. If the water came from a clean source like a spilled glass, you might avoid lasting damage. But if the water is dirty or from a flood, remove the planks promptly to prevent mold growth and further absorption.
When to Remove the Planks
Laminate is not designed to be refinished or dried out once it has swollen. If you see cupping, buckling, or the edges lifting, the planks are likely ruined. Removing the affected planks is the only way to dry the subfloor and prevent the damage from spreading to nearby boards.
Start at a wall or a seam where you can pry up the first plank. Use a pull bar and tapping block to avoid chipping the edges. Work carefully, as laminate locks together. Once you remove the damaged planks, set them aside and inspect the underlayment and subfloor for moisture.
Drying the Subfloor and Underlayment
After the planks are up, the real work begins. The subfloor and underlayment need to dry completely before you lay new laminate. If the underlayment is wet, peel it up and discard it. For concrete subfloors, use a moisture meter to check that the reading is below the manufacturer's recommended level.
For wooden subfloors, run fans and a dehumidifier for several days. You can also use a wet vacuum to extract water from the wood. Do not rush this step. If you install new laminate over a damp subfloor, the moisture will wick up and damage the new floor. In Scottsdale's dry climate, the air can help with drying, but a dehumidifier speeds things along.
Replacing the Affected Boards
Once the subfloor is dry, you can install new laminate planks. Purchase planks that match the existing floor as closely as possible. Keep in mind that dye lots vary, so even a matching product may look slightly different. You might consider replacing a whole section if the color difference is noticeable.
Install the new planks by connecting the tongue and groove ends. Use a tapping block to protect the edges. Leave a small expansion gap around walls and fixed objects. After installation, allow the floor to acclimate to the room for at least 48 hours before heavy use.
If the damage is extensive, you may need to replace the entire floor. That decision depends on the age of the floor and whether you can find matching planks.
Preventing Future Water Damage
Laminate floors are not waterproof. Even a small spill can cause damage if left unattended. Wipe up spills immediately and avoid using wet mops. Instead, use a damp cloth or a laminate-specific cleaner. Place mats at entryways and under pet bowls to catch drips.
Check for leaks in appliances, pipes, and your water heater regularly. Know where your main shutoff valve is and how to turn it off quickly. If you live in Scottsdale, keep your shutoff valve location written down. Acting quickly can save your floor from a major water event.
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Call Now (623) 624-8391Frequently asked questions
Can I dry out swollen laminate planks and reuse them?
Once laminate planks swell, they do not return to their original shape. The fiberboard core is permanently damaged. Reusing them will leave a buckled, uneven floor. It is usually better to replace any plank that shows swelling or cupping.
What if the water was clean, like from a spilled glass?
If you act fast and the water did not soak into the seams, you might avoid damage. Blot it up immediately, then dry the area with fans. But if the water sits for more than a few minutes, the edges can swell. Check for any lifting or discoloration afterward.
How long does it take for laminate to dry after water damage?
Drying time depends on how much water was absorbed and the humidity in your home. With fans and a dehumidifier, a small spill might dry in a day or two. But if the subfloor is wet, it can take several days. Use a moisture meter to know when it is dry.