diy acoustic panels - the best insulation??
daniel_griffiths
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#1
30th January 2013
Old 30th January 2013
  #1
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Thread Starter
diy acoustic panels - the best insulation??

hello everyone i really need a good straight up piece of advice here im in the uk im going to build some acoustic panels id like to know what insultion is best and i dont want it to flop and sag so it has to be rigid will rockwool rw3 be ok? or is there something better and more rigid?

thanks
#2
31st January 2013
Old 31st January 2013
  #2
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Quote:
Originally Posted by daniel_griffiths View Post
id like to know what insultion is best and i dont want it to flop and sag so it has to be rigid will rockwool rw3 be ok? or is there something better and more rigid?
The "best" insulation depends how thick you are planning to make the panels and what frequency range you are trying to target?

However, for a 100mm thick panel RW3 will be fine, apart from if using as a cloud where you will need a lightweight frame to prevent it sagging.
#3
31st January 2013
Old 31st January 2013
  #3
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Glenn Kuras's Avatar
 

If the panel is made in a wooden frame correctly it will not sag or flop. I also agree with the above but don't over think it. The point is to make them thick enough and straddle corners to maximize the effect.
daniel_griffiths
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#4
31st January 2013
Old 31st January 2013
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thanks very much
#5
31st January 2013
Old 31st January 2013
  #5
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Quote:
Originally Posted by daniel_griffiths View Post
thanks very much
Anything between 40/50 kg-m3 at 4inches will do it.
I'd be carefull with RW3 becuz it has 60 kg-m3 so it's a whole lot denser.

High density and high thickness doesn't let any sound trough and might reflect.
daniel_griffiths
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#6
1st February 2013
Old 1st February 2013
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Ok I thought 60kg would be a bit better than 45 I will stick with 45 then
#7
1st February 2013
Old 1st February 2013
  #7
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