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Dano199 04-27-2011 11:30 PM

Resilient channel
Hello I'm re doing my bathroom and I'm thinking of using resilient channel to take out some of the waviness of the rafters. I'm installing a pot light and new fan so I need to know what the thinness of the channel is so I know where to set the boxes. The rafters are on 16 in centers. Thanks for the help

Arey85 04-28-2011 07:37 AM

Half inch

Dano199 04-28-2011 08:15 AM


Originally Posted by Arey85
Half inch

Thank you

Arey85 04-28-2011 02:01 PM

Just beware that rc channel isn't going to fix any unevenness other than something really minor. Anything serious should be taken care of with a level and line and scabs or shims.

Dano199 04-28-2011 10:11 PM

Well as far as I can tell the most severe spots are no more the a quarter inch do u think that is too much?

Arey85 04-29-2011 07:54 AM

That will be fine. Anytime we use channel on a ceiling we use 5/8" drywall. In my opinion 1/2 drywall will show the sag and as you push with your trowel to tape it it will move with it creating a hollow seam that will show in any light after you paint. 5/8 is a lot stiffer and will have better results.

Dano199 04-29-2011 09:13 AM

Okay thanks alot your help is appreciated

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