Is this ceiling bubble caused by a leak?

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  #1  
Old 09-08-08, 06:48 PM
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Is this ceiling bubble caused by a leak?

I've noticed this over the past month or so. Is it caused by a leak?
Above it is the outside roof.

Assuming it is a leak that gets fixed what would be the best way to repair this damage.

Thanks in advance.
Chris

 
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  #2  
Old 09-09-08, 03:42 AM
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There is a good chance it was caused by water but I don't see any of the staining that is often present with a water leak. How old is it? Have you tried poking a hole in it to see if any moisture runs out?

Basically you just cut out the loose and fill with joint compound....... unless the drywall paper comes off, then you should coat it with a solvent based primer first too prevent the surrounding paper from lifting.
 
  #3  
Old 09-10-08, 12:15 PM
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Thanks for the tips.
I took down the light and the painted drywall that was bubbling and it is damp inside.

I'm going to cut away a large section of drywall and attempt to locate the leak.
 
  #4  
Old 09-10-08, 01:09 PM
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Don't you have access in the attic?? Leaks aren't always directly above the damage. Water can travel quite a ways along rafters and such before it decides to come thru the ceiling.
 
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