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Sheetrock ceiling over existing sheetrock ceiling?

Sheetrock ceiling over existing sheetrock ceiling?


Old 03-06-07, 07:46 AM
Thread Starter
Join Date: Mar 2007
Posts: 2
Sheetrock ceiling over existing sheetrock ceiling?

We are looking at having a full remodel of our two bathrooms done down to the studs. One of the contractors suggested instead of taking the sheetrock off the ceiling was to sheetrock right over it. Because we have blown in insulation this would keep things cleaner without having to deal with the insulation. My concern is with one bathroom where we have some mold growth on the ceiling. It has no exhaust fan right now and we occasionally get some mold growth on the ceiling. He suggested before the new ceiling is put up over the old is to spray a mixture of bleach and water to kill the mold.

Is this a common practice; putting sheetrock over sheetrock on a ceiling? Thanks for your feedback.
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Old 03-06-07, 01:23 PM
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Join Date: Mar 2005
Location: USA
Posts: 43,787
Welcome to the diy forums

While it may not be common practice to drywall over an existing ceiling it can be [and is] done. It does require longer screws to make sure it is securely fastened to the rafters.

You do need to address any mold/mildew issues. Bleach water always removes/kills mildew and often works on mold.
Old 03-06-07, 03:32 PM
Join Date: Dec 1999
Location: South Dakota
Posts: 3,140
I don't like to do it, but 3 weeks ago I had to do it in a bathroom, also with no fan and a little mildew. We washed the ceiling with a misture of 50% bleach and water. We used 3" sheetrock screws and it went up perfectly and absolutely level and flat. After the sheetrock was done, we put in a ceiling vent. Everyone very happy. Good Luck
Old 03-07-07, 03:50 PM
Join Date: Feb 2007
Posts: 94
There is nothing wrong with adding a second layer of drywall to the ceiling, but not until the mold issue as been resolved. You need to install a fan so that moisture is kept in check.
Old 03-09-07, 05:24 PM
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Join Date: Mar 2007
Posts: 2
Smile Thanks...

Many thanks for your replies and recommendations…

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