Looking to soundproof the bathroom to bedroom walls in my new home. Walls are still open. Will use fiberglass batts. However, not sure if I should use kraft faced or not... much easier to install and keep in place, but am concerned the vapor barrier may be an issue. Should the vapor barrier face into the bathroom or out of the bathroom? I will not be able to face the vapor barrier in around the tub/shower units as everything is already installed and the tub/shower units can no longer be pulled out. Any suggestions appreciated. Thanks.