Blistering paint where the windows are.

Joan DelliSanti asked 4 years ago

Our bedroom paint job lasted 5 months and started blistering on the walls where the windows are. This is the 2nd time in 5 months that this happened.

The painter did use a latex paint. However, he used fans to dry the wall. Now it is blistering again. Do we use a shellac underneath or an oil based paint this time? What else can be done? what kind of primer should be used?

1 Answers
Crowder Painting answered.

This could be caused by moisture getting into the wall. Check the caulking around the exterior of the windows before doing anything. Sweating from the windows, during cool humid days, can also cause peeling. This can be prevented by ventilating the room (if possible) and making sure the caulking around the window and trim to the window is in good shape.

To fix you need to remove the blisters, prime with an oil base or shellac primer, use spackling paste to smooth out the damaged areas and repaint or touch-up with original paint.

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