Two drywall mysteries

Old 02-15-10, 11:54 AM
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Two drywall mysteries

#1. I was painting new drywall with latex and some nasty 1/2" - 3" bubbles appeared. This was at a seam and I thought the tape had given out. I said the heck with it, I'll fix it tomorrow. They were gone the next day. I wouldn't mind knowing what that was about.

#2. I was hanging some shelving and tried using an awl to hone in on stud locations. I had previously used an awl to position drywall screws, but after the paint (1 coat primer + 2 coats latex) was on I couldn't get it in without pounding. Is latex paint that tough??
Old 02-15-10, 03:15 PM
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#1 - The wet heaviness of the fresh paint pulled on the underlying paint or drywall paper causing it to pull loose [it already had a poor bond]. After the paint dried, the bubble drew back up and isn't noticeable. It is however still loose and subject to peel at a later date. There shouldn't be a need to worry about fixing it at this time.

#2 - maybe you forgot to eat your Wheaties
while the paint will toughen the wall some, I doubt that has made much difference.

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