Rc would place the mass on the inside of the joists...inside out wall would place the mass on the outside of the room giving you more headroom.
Either way is going to have you supporting the existing joists...so choose wisely.
Garage Studio Preliminaries
Originally posted at johnlsayers.com, topic 19932.
Oh got it. I see what you're saying now. if I'm factoring this correctly, I would save 1/2" (size of channel gap on bottom of the joists).Rc would place the mass on the inside of the joists...inside out wall would place the mass on the outside of the room giving you more headroom. Either way is going to have you supporting the existing joists...so choose wisely.
Plus the mass/sheetrock