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Drywall ceiling repair, potential water damage?

Drywall ceiling repair, potential water damage?


  #1  
Old 02-03-23, 03:14 AM
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Drywall ceiling repair, potential water damage?

I suspect it’s the bath tub overflow gasket on 2nd floor bathroom above ceiling.

top pic is before damage.

my first question is, is the leak damage just on the drywall on ceiling? Or could it have potentially cause damage to any wood or anything structural in between? I’m having a plumber inspect the tub on Monday.

Second question is how do i fix this crack?

This texture on the crack is so weird, I can’t recognize how that happened. Does that look like water damage?




 
  #2  
Old 02-03-23, 03:42 AM
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It doesn't look like there are any water stains but that a big portion of drywall sagging. IF the drywall is still sound and IF you can push it back up and resecure it to the joists you will be able to tape, finish and texture the repair. I'd use a 2x or 1x to push the drywall back in place, you'd want to have the pressure over a larger area as pushing in just one spot will likely break the drywall.

As long as the framing has dried out there shouldn't be any issue with it.
 
  #3  
Old 02-03-23, 05:11 AM
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"...is the leak damage just on the drywall on ceiling?"
The only way to know is to remove the drywall in that area and look. It largely depends on how long the leak has been happening and how frequently it occurs. Basically how wet has it kept the area between floors. Opening the ceiling up will also allow you to positively identify the source of the leak. It also allow airflow to the space between floors so it can dry out much faster.

"... texture on the crack is so weird..."
That is normal for water damage near a seam.
 
  #4  
Old 02-03-23, 05:50 AM
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This may be a dumb question but why is it white under the sagging.
Is this a double sheeted ceiling?
I would have expected to see floor joists.
Perhaps it is just the camera angle / lighting.
 
  #5  
Old 02-03-23, 07:31 AM
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why is it white under the sagging
I'm thinking that is the other sheet of drywall where the tape stayed intact on the sheet that has sagged.
verification would be nice
 
  #6  
Old 02-03-23, 02:14 PM
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Yes it looks like a second sheet of drywall. Did you mean adhesive tape or mesh tape? There was no mesh tape when I looked.

there doesn’t appear to be any water damage. I will need to look again when I get home. But I would think if there was a leak, the second dry wall between it should have been stained too? how is it possible that only the outside is ripping?
 
  #7  
Old 02-04-23, 03:39 AM
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If the outside edge got wet then the nails/screws could have lost their holding power .... but would still be connected to the joists. It's also possible the drywall hangers did a poor job of fastening that sheet.
 
  #8  
Old 02-04-23, 05:56 PM
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Here are zoomed in pictures of the top area furthest away from the hanging light, with flash on. Does any of this make any sense?



 
 

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