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Re: Soundproofing door
It isn't (just) the door. It is the walls and the ceiling. Case and point: Our band hall is relatively sound proof if you are standing outside it. But, you can hear the band playing in the two rooms next to it. You can even hear it in the faculty restroom at the end of the hall. Why? The sound is traveling through the ceiling. There is nothing you can do to sound proof or reduce the sound "leakage". They can add baffling or insulation in the ceiling. Maybe rip out the drywall (if it is dry wall) and put denser insulation (if it is cinderblock, you're SOL). They can put in a new door (Wenger style). In the long run, the cost to limit the sound leaking from the band hall to the other rooms is extremely cost prohibitive.