01:48AM | 03/19/05
Member Since: 03/18/05
1 lifetime posts
I have air bubbles under my drylock waterproofing paint. The wall is dry underneath, but there was also paint and another type of waterproofing applied to the cement block. I have had to scrape and remove the bubbles, but can I reapply the drylock over a painted surface. There is a surface water problem as the gutters and downspouts are in disrepair, which I plan to correct in the near future. Would it be ok to reapply the drylock in the areas where I scraped and just refinish the wall with another coat of drylock?? Thank you!!


04:02AM | 03/20/05
Member Since: 03/03/05
273 lifetime posts
Air bubbles are a sign of gassing, which I do not think you have. It is more likely since you put drylock over latex paint or another product, the bubbles are a reaction to the "paint" and it is pulling it away from the wall. Drylock is best applied to clean concrete. If you get moisture behind this, I'm sure it will fail. Email me with any questions,


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