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Hairline Plaster Crack Repair

Posted by marita40 (My Page) on
Wed, Sep 8, 10 at 21:04

I moved into my 1913 home two years ago and painted the living and dining rooms not long after moving in. This summer a number of hairline cracks appeared on the ceiling and a few walls. This being Minnesota we had the usual freezing winter and steamy summer--real extremes of weather. We also pulled out some very painted-on windows in these rooms for sash repair earlier this summer. I assume one or both of these things caused the cracks. The question is how to repair them? They are truly hairline cracks--it really seems like just the paint has cracked open a tiny bit. The plaster on both sides of the crack is all quite secure. So I don't see any need to gouge them out/deepen them to fill, or any need for tape. I'm thinking that I could just rub a tiny bit of flexible caulk in them with my finger, prime and paint. Or maybe skip the caulk and just prime and paint. On the other hand, I could just pretend they don't exist (nothing exists these days if I don't have my distance glasses on!) and check back in a few months to see if they've grown. Any opinions?

Follow-Up Postings:

RE: Hairline Plaster Crack Repair

I'd go with the 'watchful waiting' approach.
If you want to fill the cracks and repaint, I'd use drywaller's joint compound rather than caulk.

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