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Old 24th May 2020
  #4
Lives for gear
 
Kyle P. Gushue's Avatar
Quote:
Originally Posted by FreakinPavel View Post
If you will make panels from mineral or glass wool later, AcousticInsider says, that air gap between a panel and a wall shouldn't be bigger than thickness of wool layer itself.

p.s. so much videos on youtube about it, f.e. Bobby Owinski 2-hours lecture.
Foam is useless
There's no rule about the gap. In fact common test data for 2" rigid fiberglass includes mounting which is 16" away from the boundary.

Foam is not useless when used properly, where it is effective.

Last edited by Kyle P. Gushue; 25th May 2020 at 12:42 AM..