The short answer
How Water Affects Laminate
Laminate flooring is not waterproof. The core is typically high-density fiberboard, which absorbs water and expands when wet. This expansion can cause the planks to buckle, cup, or lift at the edges. The top wear layer may resist surface moisture for a while, but if water seeps into the seams or from underneath, the damage becomes permanent.
The extent of damage depends on the amount of water and how long it sits. A few drops wiped up quickly may cause no lasting issue. A flooded room or a slow leak under the floor can ruin the entire installation. Once the core swells, it does not return to its original shape, so replacement is often the only fix.
Signs of Water Damage
Look for visible changes on the surface. Common signs include dark spots or stains, peeling of the top layer, and a spongy feel underfoot. Planks may start to separate at the seams, or the floor may develop a hump in the middle. A musty odor can also indicate trapped moisture, which may lead to mold growth.
If you notice any of these signs, act quickly. The longer moisture sits, the more the floor deteriorates. You may need to dry the area with fans and dehumidifiers, but if the core is already swollen, drying will not fix it. In that case, you might be looking at removing and replacing the affected planks.
Can You Repair Water-Damaged Laminate
In some cases, small areas can be repaired by replacing individual planks. If the planks are still available from the original batch, you can remove the damaged ones and click in new ones. However, laminate planks are often glued or locked together, making removal tricky without damaging the surrounding floor.
Surface stains that have not penetrated the core might be cleaned with a mild detergent and water, but avoid using excess water. Deep swelling or delamination usually means the planks are beyond repair. The pros can assess the damage and determine whether a partial or full replacement is needed. In many cases, the most practical solution is to replace the entire floor.
- Check for swollen or lifting edges
- Look for dark discoloration or stains
- Feel for soft or spongy areas
- Notice any musty or damp smells
- Inspect seams for separation
Preventing Water Damage
Prevention is the right strategy with laminate. Use mats at entryways and under sinks to catch drips. Wipe up spills immediately with a dry or slightly damp cloth. Avoid wet mopping; instead, use a manufacturer-recommended cleaner and a damp mop that is well wrung out. Keep an eye on appliances like dishwashers and refrigerators for slow leaks.
If you live in an area with heavy spring thunderstorms, check windows and doors for leaks during storms. Also, inspect your roof and gutters regularly to prevent water from seeping into your home. Catching a leak early can save your flooring from significant damage.
When to Call the Pros
If water damage is extensive or you are unsure about the severity, it is wise to have a professional inspection. The pros can determine if the subfloor is also affected, which is a common issue when laminate is damaged. They also have equipment to dry out the area thoroughly and prevent mold growth.
A water damage inspection can identify hidden moisture that you might miss. The pros can also advise on the right course of action, whether that involves removing the laminate or addressing the source of the water. In humid climates, quick action is especially important to avoid long-term issues.
- Water damage inspection to assess the extent
- Stain removal from water damage on surfaces
- Drywall water damage repair if walls are affected
- Roof leak repair and water damage mitigation
- Hardwood floor restoration if you have mixed flooring
Talk to someone now
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Call Now (214) 730-5993Frequently asked questions
Can laminate flooring be refinished after water damage?
No, laminate cannot be sanded or refinished like hardwood. The top layer is a photographic print that will wear through with sanding. If the core is swollen or the surface is blistered, the only option is to replace the affected planks.
Does water damage to laminate happen quickly?
Yes, it can happen quickly. A standing puddle can cause visible swelling within a few hours. The rate depends on the quality of the laminate and how much water is present. Even a slow leak under the floor can cause damage over days or weeks without being noticed.
Will my insurance cover water damage to laminate?
Policies vary, and your insurer decides what is covered. Some policies cover sudden and accidental water damage, like a burst pipe, but not gradual damage from a slow leak. Check your policy and contact your insurance company to discuss your specific situation.