View Single Post
#81
29th February 2012
Old 29th February 2012
  #81
Gear Guru
 
Glenn Kuras's Avatar
 
Joined: Jul 2005
Location: Atlanta, GA
Posts: 16,210

Glenn Kuras is offline
Quote:
Originally Posted by ashebiara View Post
Mr. Ethan , in the case of the limp mass aproach, could it work even with none rigid fiberglass?? or does it have to be a rigid fiber glass for the cling wrap to work as it has to in this type of assembly?? i am making basstraps with , mineral wool of 4"thick 2'x4', but the mineral wool that i got it's not fluffy like de R type insulation nor it is rigid like de 703 wich in fact looks very rigid to me.. anyways i just plan to glue the plastic directly to de mineral wool insulation and then put it on the frame and make the whole asembly with the fabric ( burlap in the front/muslin on the back) ...
Yes the membrane will work with the mineral wool. It is done that way on mineral wool all the time.
__________________
Glenn Kuras
GIK Acoustics USA
GIK Acoustics Europe
http://www.gikacoustics.de (German Translation)
404 492 8364 (USA)
+44 (0) 20 7558 8976 (Europe)

Built in Slat design (Scattering/Diffusion) on all Bass Traps click here