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In continuing the two channel listening room/recreation room in my basement I am considering ceiling treatments. I am leaving the ceiling of the basement unfinished with first floor, joists exposed. Would packing the first two cavities between the joists at the front wall of the room with roll insulation be an effective treatment,if it is packed to the correct density. If so, how many layers should I pack into the cavities if the dimensions are 15" wide by 9" deep?
Any help is greatly appreciated
I could understand using a faced covering in an open room but leaving fiberglass out in the open to fall seems dangerous to me. Forget the itching but that stuff is nasty on the lungs and it will get in the air. I don't know, maybe it's been covered in other posts.
BP
I agree and just assumed that this meant unfaced insulation with some type of fabric covering.
You should fill all the joist cavities with R38 fluffy insulation. You don't need to cover everything for reflections, but more bass trapping is always welcome. If you want to keep some liveness in the room, you can cover the insulation with card stock. But don't do that at reflection points.
--Ethan
Thanks, Ethan
Should this be unfaced insulation or can the kraft faced be used?
Kraft facing is good, but again not at reflection points. If it were me I'd use unfaced (or paper facing up) over most of the room in the middle, and faced fiberglass with the facing down (exposed to the room) around the perimeter to give more bass trapping in the wall-ceiling corners.
--Ethan
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