What's the best sound deadening insulation for....
Old 16th February 2012
  #1
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What's the best sound deadening insulation for....

I just moved into a new house and have half of the unfinished basement for my practice/recording space, and the other half will be my control room (plus maybe a vocal booth) that I have yet to construct. I'm wanting to know what would be the best insulation for sound deadening the ceiling (in between floor joists) so the family upstairs isn't blown away.

What do you use? Or what is best?

Roll insulation? Foam board? What brands?

Should I leave it open instead of drywalling over it? Would that offer less reflections (besides easier access to pipes/cords for the house)

Trying to get best bang for the buck and remain somewhat practical. <- story of my life lol.

Thanks all!
Old 17th February 2012
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3/4" mdf is good
Old 17th February 2012
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Quote:
Originally Posted by Arichlsss View Post
3/4" mdf is good
For in between the floor joists?
Old 17th February 2012
  #4
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Old 17th February 2012
  #5
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Quote:
Originally Posted by lollygagger8 View Post
I just moved into a new house and have half of the unfinished basement for my practice/recording space, and the other half will be my control room (plus maybe a vocal booth) that I have yet to construct. I'm wanting to know what would be the best insulation for sound deadening the ceiling (in between floor joists) so the family upstairs isn't blown away.

What do you use? Or what is best?

Roll insulation? Foam board? What brands?

Should I leave it open instead of drywalling over it? Would that offer less reflections (besides easier access to pipes/cords for the house)

Trying to get best bang for the buck and remain somewhat practical. <- story of my life lol.

Thanks all!
Definitely takes Glenn's advice - great book.

Insulation alone isn't going to do much of anything for isolation.
Old 17th February 2012
  #6
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Isolation

Old 17th February 2012
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Old 17th February 2012
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Quote:
Originally Posted by DanDan View Post
Insulation is not Isolation is the mantra.
Here's a system which would work for you.
Note insulation is a very small part of it.
DIY Domestic Ceiling Soundproofing

DD
Ok so I'm trying to figure what they are saying out. I'm guessing you are kind of decoupling the "ceiling" from the floor joists. Right?

I see some of their diagrams that have an existing ceiling (drywall I'm guessing) but then I see a pic here: Resilient Bars Resilient Channels Rbar that has no drywall on the ceiling (like mine) but they have definitely stuffed some sort of material in between the joists.

What should I stuff between the joists? Roxul? Rockwool? The Denim insulation stuff? Nothing?
Old 17th February 2012
  #9
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Quote:
Originally Posted by lollygagger8 View Post
What should I stuff between the joists? Roxul? Rockwool? The Denim insulation stuff? Nothing?
Regular insulation.

Andre
Old 20th February 2012
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Thanks Andre
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