Wall Ceiling joint problem

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  #1  
Old 01-16-08, 04:46 PM
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Wall Ceiling joint problem

How would I repair this.?
It's the only separation along the wall.
Not sure whether to tape and mud or just caulk it. I don't understand what has caused it.

http://i227.photobucket.com/albums/d...icture1577.jpg

http://i227.photobucket.com/albums/d...icture1578.jpg
 
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  #2  
Old 01-17-08, 06:17 AM
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It was probably caused by settlement.

The correct way to repair it would be to mud and tape. This will also require a little texture on both the ceiling and wall..... and then you would need to prime and either touch up or repaint both.

It might be difficult to make the crack completely disappear with caulking but it would be an easier fix with minimal paint touch up.
 
  #3  
Old 01-17-08, 11:50 AM
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Okay. But what do you mean by it would require a little texture on both surfaces?
 
  #4  
Old 01-17-08, 12:26 PM
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Looks like it might be "truss uplift", in my climate (Chicago) this is the time of year we see active uplift at home inspections:



See:

http://www.croberts.com/truss.htm
http://www.buildingscienceconsulting...uss_uplift.pdf
 
  #5  
Old 01-17-08, 02:07 PM
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Fletch - I can't tell from your pic exactly what is going on, but the first thing I would do is scrape the loose drywall compound off the crack. How you fix it depends on what you find.

If you find that the drywall tape is still securly bedded and only the topcoat has cracked then you can try just cleaning up the crack without damaging the tape and remud the joint. After sanding, just prime and paint.

If the tape has cracked or loosened, you'll probably have to pull out all the damaged tape and completely redo the joint.
 
  #6  
Old 01-17-08, 02:24 PM
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Originally Posted by fletch99 View Post
Okay. But what do you mean by it would require a little texture on both surfaces?
I couldn't tell by the pic if your wall/ceiling had a light texture or is slick finish. Either way a smooth patch will show without a little texture. On slick finish you only have to duplicate the effect of several coats of paint.
 
  #7  
Old 01-17-08, 02:31 PM
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Thanks for all the help.
 
  #8  
Old 01-23-08, 05:11 PM
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I would take a razor knife and cut through these areas (corner) where the ceiling tape is bending like this. You will see the ceiling give way and pop back flush to the joist. You may need to tear out the old ceiling tape. Then ad drywall screws on the ceiling joists where the trouble is. Maybe a few screws as well on the wall at the corner studs. Then reapply paper tape keeping the paper at a 90 degree angle (don't push the tape in the gap). Finish with two more coats. That is all I believe you can do.
 
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