Quote:
Originally Posted by Bugeater
Bummer, because oil is what you probably need to use. What is likely happening is the water in the drywall mud is loosening up the paper. A solid layer of oil based primer will prevent that. 4 out of 5 times the acrylic primers will do the job, but for stubborn stuff like that you gotta go oil.
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Key point. I carry spray kilz oil in a can for crap like this. Never occurred to me that he might use a water base primer because I've never really used one. My fault.