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Hello anemicrock. It's all about density. You don't need to use the same stuff in the stud cavities as you do for bass traps. In fact, you can use standard "fluffy" fiberglass batt type insulation in the stud cavities. Don't stuff more in than a standard wall. As to "soundproofing", there is more to this than the insulation. Can you describe your OVERALL proposed assemblies. I mean describe what the floor, wall, cieling, HVAC, and door assemblies are going to be comprised of? This is really where "soundproofing" can be compromised. For instance, is this a room in a room design? Is this on a second floor? Are you tieing in to existing HVAC? Please tell us all you can.can I use this 4' Mineral wool for my insulation between the studs or will this not suffice for soundproofing?
I will be using a mass-spring-mass type wall system using staggered studs and a 3' spring gap.
Thanks Roguetitan for that bit of info. I was wondering what's best for bass traps. I would assume the 4' option would be the way to go. But my main concern now is, can I use this 4' Mineral wool for my insulation between the studs or will this not suffice for soundproofing?
How does one get a THREE FOOT spring gap in a STAGGERED STUD design. Unless the plates are 3' wide!!
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With all due respect...BULLSHIT!! Foam does NOTHING for TRANSMISSION LOSS!!!! It has no MASS! In fact, foam(hard foam or soft foam has NO Transmission Loss qualities. I think you better read up on this stuff Roguetitanpink foam insulation perferrably 2 pieces of 2" put together in the walls before sheet rocking the interior. This dense foam will do a better job to deflect any outside sounds such as barking dogs, loud veichles and car stereo sub woofers,
With all due respect...BULLSHIT!! Foam does NOTHING for TRANSMISSION LOSS!!!! It has no MASS! In fact, foam(hard foam or soft foam has NO Transmission Loss qualities. I think you better read up on this stuff RoguetitanUsing batt type insulation helps dampen the drywall as well as absorb SOME hi frequency. Dense foam actuall will INCREASE structural transmission from one drywall to the other, if it touchs both planes of studs and or the drywalls, as it is HARD. In other words, it COUPLES the two LEAFS TOGEATHER!
fitZ