Insulation for soffit - AVS Forum
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post #1 of 3 Old 07-01-2013, 12:44 PM - Thread Starter
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I finished the framing and electrical for my soffit a month or so ago and I am finally getting to the drywall.

I plan on doing a single layer of 1/2" drywall. I figure the soffit space should be filled with insulation to avoid making big resonators. But I was wondering what is best to use?
I know my room has issues < 100hz. And I imagine a single layer of 1/2" drywall won't stop bass frequencies. So is it worth it to find some OC 703 (or similar as I cannot find OC in my area) and put a couple layers in there? Or just use the pink fluffy stuff?

By the way the soffit is ~8.5 tall, ~18" wide and goes all around the room. In each corner there is a larger 33x37 or so square of soffit (this aesthetically matches the rest of the trim in the house.



Thanks!
Salem
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post #2 of 3 Old 07-01-2013, 01:04 PM
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I would probably look for unfaced R19 batts, loosely fill, and call it a day. Maybe something bigger like R30 would fit better, but you don't need anything exotic.
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post #3 of 3 Old 07-01-2013, 01:10 PM
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I filled mine, like Fred said.  It was easy, cheap, and seemed to take a lot of that hollowness out of the cavity.


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