Remove Drywall Ceiling and Replace?


  #1  
Old 04-26-03, 01:34 PM
DIY James
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Remove Drywall Ceiling and Replace?

I am converting my existing 22'x22' garage to a bedroom. The roof and ceiling is a 2x4 truss system placed 24" OC. The ceiling is 1/2" drywall, and the taped joints have come loose over the years apparently due to moisture damage. The walls are OSB.

My contractor suggested removing the old drywall from the ceiling and replacing it. We will cover the 1/4" OSB wall with 1/2" drywall.

Do we really need to remove the old drywall from the ceiling?

Any suggestions will be appreciated.
 
  #2  
Old 04-27-03, 06:17 AM
Mike Swearingen's Avatar
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Cool

Is the 1/2" ceiling drywall flat or sagging?
Are the taped seams the only problem?
If the ceiling is flat, or can be screwed back flat, you should be able to use it by retaping the seams.
If it's sagging anywhere between those 24" centers, you need to use 5/8".
Good luck!
Mike
 
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Old 04-27-03, 06:23 AM
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Just some thoughts. Has the old ceiling developed sags between joists? If so, recovering or replacing might look better.

If you take the old down, putting up insulation may be easier.

You might just cover over the old, for a fresh look.

You could retape and mud and get along with the project. Minor defects in the sheetrock could be repaired as well.

My inclination would be to skip the added labor cost of removing something that probably does not present a problem.

Hope this helps.
 
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Old 04-27-03, 07:35 PM
DIY James
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Would the additional weight of adding to the drywall be a concern?
 
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Old 04-27-03, 08:58 PM
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I seriously doubt that the added weight of the other layer of drywall would matter. If you were going to cover the old, you could use 1/4" drywall. I would be easier to use.

Hope this helps.
 
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Old 04-28-03, 07:30 PM
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With the 24" centers that lid should be hung with either 1/2" Type C or 5/8" sheetrock. Anything thinner than that & you're gonna have sagging again in a relatively short time.

I've also hung some 1/2" AS, anti-sag, not sure, but I think it's made by either USG or Temple.

I wouldn't go with 1/4" ever on a lid unless it has a solid sheeting under it.
 
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Old 04-28-03, 08:32 PM
DIY James
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Thanks everyone for the input. I think we will go with the "sure thing" and replace it.

A related question: apparently moisture caused the old tape to turn loose. In my new garage, how can I prevent the same thing from happening? Is there a moisture resistant compound to use, or is it painting that keeps moisture out?
 
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Old 04-29-03, 08:36 PM
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Paint will make a difference in keeping the taped joints good.
 
 

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