View Single Post
Old 15th November 2009   #9
avare
Lives for gear
 
avare's Avatar
 
Join Date: May 2004
Location: Hamilton, On Canada
Posts: 3,483

Several things are getting discussed here. Rockwool is broady equivalent at slightly denser at around 48 kg/m^3 fiberglas at 64 kg/m^3. the relationship acoustically is not linear.

For thick bass traps, lighter is actually better. 48 or less kg/m#.

Andre
__________________
Good studio building is 90% design and 10% construction.
avare is offline   Reply With Quote