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Old 07-21-06, 10:23 AM   #12 (Link)
Otto
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Re: Green Glue, RSIC, Both? Soundproofing in General


Quote:
I like your comments about sound transfer in the concrete walls, and I'm sure you're right. I will be finishing those walls, but I was hoping to frame them with 2x4's flat against the wall instead of having a void between the framing and the concrete for isolation. It's only a few inches, but I'm trying to keep the room as wide as I can, so your points are well taken and encouraging.
Sounds good. One question -- will 2x4s flat on the wall give you enough depth to mount wall boxes for outlets and switches? I think the skinny ones might fit in there. I'm sure you've already got that figured out. If you really want to go nuts on it, and you don't care too much about cost, use double drywall and GG on those walls as well. I think that would take care of any sound that could get into the concrete walls. And you'll lose less wall depth than with the clips.

Good luck and keep us posted.


-- Otto

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