How to Fix Peeling Wall Paint Caused by Moisture

What Is Peeling Interior Paint?

Loss of adhesion of the paint film caused by high levels of moisture exposure on a wall, ceiling or trim. Over time, moisture penetrates the film and eventually pushes it away from the painted surface.

What Causes It?

  • Excessive moisture in a home resulted from cooking, showering, or the use of a humidifier, vaporizer or hot tub.
  • Excessive moisture in a home due to a high level of humidity in the basement and/or foundation.

Solutions for Peeling Paint Caused by Moisture

  • Proper ventilation can fix most interior moisture problems. High-moisture areas such as bathrooms with showers should have exhaust fans installed.
  • Proper ventilation in the walls and/or roof of the home may be necessary. Heavily insulated and sealed homes need a means for moisture to escape, such as roof vents and possibly outside wall vents.
  • Another option is to allow moisture to escape via open windows.
  • If high levels of moisture and humidity exist in a basement, the cause of this must be determined and fixed.
  • Once proper ventilation has been installed, peeling paint should be removed and the underlying surface cleaned and primed. 
  • Test the coating in a six to 12 inch radius around any peeled areas to be sure its adhesion is adequate. Follow label and data page directions for proper surface preparation.

Peeling Interior Paint Repair Products

After you've removed any peeling paint, use a waterproof sealant like White Lightning Latex Ultra Kitchen and Bath Premium High Gloss Sealant to close any openings. Next, if needed apply a coat of Premium Wall & Wood Primer. Finish with a durable paint like Duration Home® Interior Acrylic Latex. Duration is formulated with Moisture Resistant Technology, making it an ideal choice for moist environments. 

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