How to repair moisture in laminate flooring

Updated February 21, 2017

Laminate flooring contains a moisture-resistant layer, under a layer of high-density fiberboard. Nevertheless, laminate flooring that is exposed to high levels of moisture for an extended period of time can become warped or swollen. Consequently, it is critical to the maintenance of your laminate flooring that you repair any moisture problems immediately.

Clean excessive moisture with a dry mop, cotton towel or paper towel. It is important to never use a wet mop on a laminate floor. Doing so is likely to result in buckling or warping.

Sprinkle baking soda on the laminate flooring. Baking soda will soak up moisture from the laminate flooring. After letting the baking soda sit for several hours, vacuum it up.

Run a dehumidifier. A dehumidifier is designed to remove excess moisture from the air and from the surfaces in your home. The capacity of a dehumidifier is determined by the pints of water condensed in 24 hours at 26.7 degrees C and 60-percent relative humidity. Please see the guidelines set forth by The Association of Home Appliance Manufacturers for selecting a dehumidifier (see Resources).

Install an exhaust fan in rooms where moisture is high. This includes rooms where you bathe, cook and launder. According to the University of Georgia, the average family of four converts 3 gallons of water into water vapour per day. Exhaust fans will eliminate moisture before it spreads through the house.

Replace the laminate flooring. If your laminate flooring has become soaked with moisture to the point that mould and mildew are present, it may be worth ripping up the laminate flooring and replacing it with new flooring.

Things You'll Need

  • Dry mop, cotton towel or paper towel
  • Baking soda
  • Dehumidifier
  • Exhaust fan
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About the Author

Thomas King is a graduate of the University of Pittsburgh School of Law where he served as managing editor of the "Pittsburgh Journal of Environmental and Public Health Law." He currently lives in Aberdeen, Washington where he writes and practices law.