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Posted

I was replacing the fill valve in our master bathroom upstairs. Things were going fine and I was making some adjustments to get the height right when the shut off valve to that toilet failed. By the time I got down to  shut off the water entirely, some water had dripped through a seam in the ceiling and the smoke detector attached beneath the toilet.

I've had the valve replaced, so the plumbing situation is resolved. My question is do I need to have that drywall torn out to prevent mold, or I can I watch it to see if there are any obvious issues?

Posted
4 minutes ago, hookem2010 said:

I was replacing the fill valve in our master bathroom upstairs. Things were going fine and I was making some adjustments to get the height right when the shut off valve to that toilet failed. By the time I got down to  shut off the water entirely, some water had dripped through a seam in the ceiling and the smoke detector attached beneath the toilet.

I've had the valve replaced, so the plumbing situation is resolved. My question is do I need to have that drywall torn out to prevent mold, or I can I watch it to see if there are any obvious issues?

run your AC for a day or two to de-humidify.  You'll be fine.

  • Hook 'Em 1
Posted

What's the ceiling look like? How many devices? Any removable? Leaving hole(s), get some air moving in that space. Put the devices back after a good 24 hours. 

  • Like 1
Posted (edited)
On 10/11/2025 at 7:58 AM, baboso said:

Dry it out, Kilz, and repaint.

There is a mold killing Kilz primer and a mold resistant Kilz paint that works well in mold prone areas.  I don't know how different it is than the regular stuff, but it worked well in an area above our shower.

Edited by dcbc
Posted
8 minutes ago, dcbc said:

There is a mold killing Kilz primer and a mold resistant Kilz paint that works well in mold prone areas.  I don't know how different it is than the regular stuff, but it worked well in an area above our shower.

 

I used both when I built my grow rooms. It's worked and held up well.

  • Hook 'Em 1

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