Ceiling Leak


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Old 06-04-13, 12:09 PM
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Ceiling Leak

Hello,

We had a couple leaks from our AC coil in the attic where condensation leaked onto the ceiling sheetrock. Water did not drip through the ceiling.

My question is, can I put Kilz over the spots and repaint or do I need to replace the sheetrock?

There are about 4 spots, each about the size of a dinner plate. The coil has been replaced which should prevent a recurrence.
 
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Old 06-04-13, 12:38 PM
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The leak is probably from a plugged pan and no emergency pan was present.

If this is a recent event, you need to give the ceiling time to completely dry out. Then prime the area with a oil based stain blocking primer before painting. If still wet, the primer and paint will have a hard time drying and adhering properly.
 
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Old 06-04-13, 03:19 PM
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I agree. Be sure to use a solvent based primer - water stains will bleed thru latex primer sooner or later.
 
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Old 06-09-13, 10:30 AM
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Thanks for your replies. There was a secondary drain pan, but it was rusted through as well. The AC is now fixed and condensation is draining correctly.

I figured I will give it seem time, several weeks, and then will use as you suggested, the oil-based primer.

Thanks!
 
 

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