Blistering-Painting Problems and Solutions

Learn what causes the most problematic paint – and how to fix it and avoid it in the future.

You flirt at first, which is a reasonable reaction to this minor blemish on a relatively new career, and then shrug. Some paint flaws, on the other hand, are more obvious and impossible to overlook. Not only to restore the completed surface, but also to evaluate any structural issues. The quicker the better. These concerns must be addressed.

To avoid future problems, learn all about the reasons and how to fix common painting issues.

Blistering (bubling)

The paint film is not adequately adherent and some rounded bumps heighten the surface. The painted surfaces inside and outside – drywall, mortar, metal, and wood – will occur in blisters.

Causes

Heat and humidity are two bubbles. Direct, constant sunlight and heat bubbles can be caused by the outside painting on excessively hot surfaces; latex paint, newly dried, which may also blister in dew, rain or high humidity.

Moisture from toilets, kitchens, cellars, and laundry rooms will drive the surface through the walls in the interior. The oil-based paint is also suitable for blistering on a wet surface – or when added to a latex. Additional triggers include color on a dusty wall, eschewing print and unsuccessful techniques.

Repair and Prevention

Burst a few blisters and look at the back and the substratum as it gets exposed to the blistered paint to see whether the humidity or heat is to blame.

  1. There is a moisture problem because the blisters hold many paint strips and they pop, exposing a bare substrate. Address this by the restoration of plumbing, substitution and/or increase in ventilation, if necessary. Remove all paint blisters, sand, washed, primary and painted.
  2. If blisters only damage the previous layer, the heat is probably defective. Remove blisters and the underlying paint or priming, then sand, dust, prime, and paint the base, smooth and dull, to ensure the surface is less than 90o F.
  3. Put a wooden stirrer or a drill adapter into the paint slowly but briefly. Bubbles may be inserted onto the surface of the paint when moving too fast or for too long.
  4. Moving patiently. Slow down the stroke speed as bubbles are detected during application.
  5. Keep on one solution, ideally to prevent blistering: latex and oil over oil. While latex paint can be effectively applied to oils and paints if desired, try not to do so because it can lead to blistering.

Thoughts

Blistering (bubbling) is caused when the paint film is not adequately adherent and in some rounded bumps, heightens the surface. Moisture from toilets, kitchens, cellars, and laundry rooms will drive the surface through the walls in the interior. The oil-based paint is also suitable for blistering on a wet surface – or when added to a latex.

John Dutton

John Dutton

Hi! I'm John Dutton and I've been in the repair field for 20+ years. I decided to start this blog to help other people with some of the tips and tricks I have learned over my career. I hope you find this information helpful and please check back often for updated content.

Leave a Comment

John Dutton

John Dutton

Hi! I'm John Dutton and I've been in the repair field for 20+ years. I decided to start this blog to help other people with some of the tips and tricks I have learned over my career. I hope you find this information helpful and please check back often for updated content.

About Ask A Repairman

I started this website because people were always asking me questions about home repairs and quick fixes.  So, Ask A Repairman was born to help all.

Recently Published Guides