3
votes
2answers
822 views

Can I put acoustical putty *inside* the electrical box rather than around the outside?

For soundproofing applications, they make acoustical putty that you put around the electrical box. However, what if you can't get behind the electrical box? In my case, I have a wall floating on hat ...
2
votes
2answers
512 views

When building drywalls with suspended ceiling do I need wall height to actual ceiling?

I'm building classrooms in the large basement of our home; we're in Spain and have an English school we're expanding. Room to room sound insulation and resonance are the major concerns I have to ...