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angusmdmclean 09-02-2013 01:31 PM

water damaged ceiling
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I had a small water leak in my bathroom upstairs: downstairs I have a water mark on the ceiling (see photo taken wiht flash). It is a textured coating. I have removed a zone from the surface of the ceiling (about the size of a quarter) and I plan to get it color-matched at Home Depot. I plan to use a stain blocking primer on the affected zone. Then I will repaint the zone with the matching flat paint.

Any comments,


nealtw 09-02-2013 09:49 PM

Were you able to open it up somewhere to allow this to dry out, if it is drywall and stayed wet for any amount of time you could have a mold problem.

angusmdmclean 09-03-2013 07:24 AM

No: I did not open up the dry wall. I did not think this was necessary. The stain resulted from one water leak incident in a valve in the bathroom. It was not a leak that was providing water to the drywall below over a period of time. I was working in the bathroom when the leak started. It was caused when I tightened up on the valve from the wall that feeds the toilet. The valve came off of the tubing and leaked 2 gallons of water onto the tiled floor before I could shut the water off. Most of the water flowed down the vertical dry corner below (just to the right of the bell in above photo) onto the linoleum floor. I mopped it up. It took about 2 weeks for the stain to be visible on the ceiling.. The stained drywall is now dry and very solid. I think it will be OK!


nealtw 09-03-2013 06:01 PM

You are likly right but incase there are spores there, I would start with a coat of oil base primer so as to cover the spores not feed them.

angusmdmclean 09-04-2013 10:41 AM

Thank you for your insight: The surface to be coated was dry {I left it~ 3-4 weeks} and vey solid. I used the primer and stain blocker I had in my house called "Gripper" from Glidden. It is water based, but contaons a moldicide {I checked on that with Glidden}. They felt it would be alright. They recommended another coat.


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