Symptoms: Peeling Paint Due to Interior Moisture Under Paint Film
Peeling of interior paint due to moisture is characterized by cracking and gentle peeling away of the paint from the substrate as it loses adhesion due to the moisture. Moisture originating from behind the paint film or in front and forcing its way through the paint film can create this type of paint failure.
Potential Causes:
- High humidity areas such as bathrooms, kitchens, hot tubs, wet basement areas and the like can create humidity that penetrates the paint film from the front.
- Leaking flashing around a chimney or other exterior wall / roof intersection can allow water to seep into the house and wet the plaster from behind the paint film causing the paint to separate from the substrate.
- Ventilate high moisture areas such as bathrooms by providing an exhaust vent fan that removes humidity and discharges to the outside.
- Ensure proper ventilation of the roof and walls and soffits.
- Repair missing or damaged flashing at chimney or other wall / roof connections.
- Scrape away old peeling paint and feather sand affected areas.
- Spot prime bare area.
- Paint with high quality acrylic latex paint.
