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Q. In our housing development, paint is peeling and blistering from wooden siding on about 300 homes, moisture appears to be trapped in the blisters. What causes this problem? A. It sounds as if it may be a combination of a few things that is causing the paint to blister. Moisture is migrating up from behind the paint and causing the blisters to form. If all of the exposed edges have not been properly sealed, the moisture will seep up from behind the paint and wick through the wood siding to the surface and form the blister. If there is an insufficient amount of paint to properly protect the siding, the moisture can migrate through the paint film into the wood and wick up through and form a blister. We do perform field service inspections, and can further assist you in determining the cause of the paint failure by performing an on site inspection. If you are interested in pursuing this project and would like our assistance please feel free to contact us.
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© 2008 - Ron Joseph, Paint Consultant in Saratoga, California |
