Quote:
Originally Posted by PlasterPro  min 2 layers 16mm Frycheck on furring channel on acoustic mounts with soundscreen batts in wall all perimiters sealed with acoustic mastic even internals before stopping up and between layers must be first coated. will be a good start, yes expensive but what cost do you put on silence?
Was on a job in Canterbury just recently where the theatre room had 5 layers of 16mm (Boral the most dence frycheck on the market) 3 layers inside and 2 layers outside, with double doors (air lock)
Now thats how you sound proof a room! 
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Wooooooooooooooooooo PlasterPro that certainly is a room , " Now thats how you sound proof a room!"
The line of products Bradford Insulation produce maybe of interest to people are
http://www.bradfordinsulation.com.au.../Fibretex.aspx " Fibertex Industrial Rockwool - Bradford Insulation , Fibretex 350 - Bradford Fibretex 350 a lightweight medium density rockwool insulation product designed for applications up to 350˚C.
Fibretex HD - Bradford Fibretex HD is a high density industrial insulation for use in applications where high compressive resistance is required. It is a heavy duty thermal and acoustic insulation suitable for continuous operation up to 450oC.
Found these web sites forum's with some useful information also maybe of interest to some to fossick through.
http://www.gearslutz.com/board/bass-...c/index11.html http://www.ausband.com.au/modules.ph...topic&t=138902 http://forum.lowyat.net/topic/871474 
noise suppression material 
