Are the cavities between the walls of, say the control room and the other rooms need to be sealed ? (See Fig.D and E)
Is there a problem if they are sealed, will i lose something ? Control Room will probably be built a year before the rest of the studio, this is why i ask...
Fig.D
External image, not preserved — original: http://www.johnlsayers.com/phpBB2/files/figd_194.gif
Fig.E
External image, not preserved — original: http://www.johnlsayers.com/phpBB2/files/fige_159.gif