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TaskBoy 07-06-2008 05:59 PM

New paint bubbled...
I had two small bubbles appear in my just finished kitchen paint job. They are 1/2 x 1 inch and 1 x 1 1/2 inches each and close to each other. The rest of the room is fine. I popped and peeled them and the previous paint layers all came up as one. The substrate left is bare drywall and some mud or spackle nearby. It looks like no primer was ever used or it just came up with the other paint. What caused my latex to make these areas bubble? My wife recalls the old owner had wall paper before and that we had some guys paint the kitchen about 9 years ago. Maybe they did bad prep?

What about repair? I was thinking of letting the new paint cure/dry for at least a day and then sand the area feathering it out. Then oil-base primer (to be safe to stick to whatever is there vs latex primer), retexture, prime the texture and then paint to match the rest of the wall. Thoughts?

glennjanie 07-08-2008 11:21 AM

Hello TaskBoy:
As latex paint dries it grips and pulls the surface, just as you would put your hand on a sheet of paper and grip it, making it wad up. The grip and pull action will pull the old paint loose. Oil based paint, on the other hand, lays out flat and relaxes; therefore latex paint over oil based will pull it loose almost every time.
I would redommend that you sand the affected area, prime it with Kilz II, and paint with two coats of the latex. Remember, latex enamel takes 7 days to cure completely, although it will skin over and feel dry to the touch in 2 hours.

TaskBoy 07-09-2008 02:00 AM

Hi Glenn, thanks. I think someone leaned on the original drywall after holding their pastrami sandwich prior to the paint, lol.

I fixed it, looks sweet again.


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