Blistering

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Description

Dome shaped paint bubbles indicating loss of adhesion. Can occur in isolation or groups.

 

 

 

 

 

Probable Cause

• Trapped moisture trying to escape through the paint, painting at temperatures above 90?F.

• Using oil paints on we/damp surfaces.

• High humidity, such as rain or heavy dew before the paint dries.

• Painting a warm surface in direct sunlight, or application over heavy chalk.

 

Solutions

• Find and remove the sources of moisture.

• Control moisture with adequate venting, stopping leaks and acrylic caulking.

• Remove all of the blistered areas and other loose paint by scraping and sanding.

• Power washing recommended for large areas.
  

 

Primers & Interior Finishes

• Priming is essential for stronger adhesion, sheen uniformity, mildew control, and durability.

• Select a top quality California Paints exterior paint in the color and sheen of your choice.

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