The short answer
Common Causes
Floor swelling happens when water gets into the material and makes it expand. A leaking pipe under the sink, a running toilet, or a dishwasher hose can send water into the subfloor without you noticing. Spills that sit for a long time can also soak through seams, especially on laminate or hardwood.
High humidity can be another cause, particularly in warm months. In a humid subtropical climate, moisture in the air can affect floors over time. Flooding from heavy rain or a burst pipe is an obvious trigger. If you live in Rowlett, keep an eye on any area where water might enter, like near exterior doors or windows.
- Leaking pipes or fittings
- Spills or pet accidents left wet
- High indoor humidity
- Flooding or storm water
- Washing machine or refrigerator leaks
- Poor sealing around edges
Signs of Water Damage
You might notice the floor feels spongy or looks raised in certain spots. The surface can buckle, warp, or show dark stains. In hardwood, the planks may cup or crown. In laminate, the edges might curl or the boards might separate.
Another sign is a musty smell, which can indicate mold growth beneath the floor. If you see any of these signs, act quickly. The longer water sits, the more damage it can cause. Check the area with a moisture meter if you have one, or call a professional for a water damage inspection.
What to Do First
Start by turning off the water supply if you can find the leak. Look for visible water around appliances, toilets, or pipes. Move furniture away from the wet area so it doesn't trap moisture. Open windows or use fans to increase airflow and help dry the surface.
If the floor is badly swollen, avoid walking on it too much, as that can cause further damage. Take photos for your records, and check your home insurance policy to see what might be covered. Policies vary, and your insurer decides what is covered. Then contact local water damage pros to assess the situation.
Repair or Replace
Sometimes a small area can be dried and repaired, but often the swollen planks or tiles need to be removed. Water-damaged flooring removal is a common first step. The pros will take out the affected sections, check the subfloor for moisture, and let everything dry thoroughly.
For hardwood, restoration may be possible if the damage is not too deep. But if the wood has warped or delaminated, replacement is usually necessary. The cost depends on the material, the extent of damage, and labor rates in your area. A floor replacement can be a bigger job, so get a professional opinion before deciding.
Preventing Future Swelling
Fix any leaks right away and keep an eye on appliances that use water. Use a dehumidifier in humid months to keep indoor moisture levels low. Wipe up spills immediately and avoid leaving wet mops or buckets on the floor.
Make sure your floors have proper sealing, especially in kitchens and bathrooms. In flood-prone areas, consider water-resistant flooring materials. Regular inspections can catch small problems before they become big ones. If you notice any new swelling, address it quickly to avoid more damage.
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Call Now (214) 730-5993Frequently asked questions
Can a swollen floor go back to normal?
Sometimes, if the water is removed quickly and the floor dries evenly, minor swelling can shrink. But once wood or laminate has expanded and warped, it often won't return to its original shape. Professional drying and dehumidification might help, but replacement is often needed.
How long does floor swelling last?
It depends on the material and the amount of water. With quick drying, some swelling may reduce in a few days. But if the moisture stays, the swelling can become permanent. The pros can use structural drying equipment to speed up the process, but results vary.
Is a swollen floor a health risk?
The main risk is mold growth, which can happen within 24 to 48 hours in damp conditions. Mold can cause respiratory issues, especially for sensitive people. If you smell mustiness or see mold, see a doctor if you feel unwell, and contact a mold professional for safe removal.