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Wrong Primer - Bubbling

Wrong Primer: Bubbling

Causes and Fixes for limewashed surfaces that are bubbling

Words
© Andreas Riedel
Published
2024.08

Q. My walls are bubbling, what is the cause of this and how to fix it?  

Limewash and Prep Coat do not usually cause bubbling. The cause of bubbling is usually due to the underlying wall and wall preparation:


  • Plaster or plaster patches that have not had enough time to dry and cure. 
  • A solvent-based primer that has reacted with the underlying wall 


To Repair Bubbled Surfaces:

Sand back any affected areas, then start the process of painting again, with the correct water-based primer/sealer, then 1 coat Bauwerk Prep Coat and 2 coats of limewash paint.

Bauwer Colour Limewash paint Bubbling can happen when you use the wrong primer
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