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drywall over drywall

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Posted by: from Mississauga
9/4/2011 at 2:08:55 PM

I am planning to install 1/4" drywall over my existing drywall in my basement. In addition to using screws, should I also use an adhesive?

REPLIES (4)
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Date/Time9/4/2011 at 6:02:00 PM

HI Michael

Screws are sufficient if used appropriately. However, please note that if the existing installation is not straight then the 1/4" drywall will show every deflection in the wall and will require more attention to mudding and levelling.

Regards,

Kingsway Construction Inc

Glenn Rosborough

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Michael in Mississauga
Date/Time9/5/2011 at 9:44:33 PM

Thank you for the information. What do you mean by not level. Should I use one and move across the walls to see if I encounter any? Should I also check if plumb?

Mike

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Date/Time9/10/2011 at 8:25:38 AM

Whenever we are going over old drywall we always use 1/2" to help avoid any unlevel areas but it could be in your best intrest to just remove all the old drywall first.

Good luck with your project.

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Michael in Mississauga
Date/Time9/11/2011 at 5:53:30 PM

I removed a drywall panel and found only 2" of insulation on my outer basement wall. There was no 2 by 4 studs only 2 by 2. What R-value is that? What should I get to?

michael

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