Does anyone have any suggestions on limiting sound transmission
through suspended ceilings?
I really have two questions:
A) in a commercial setup where there is suspended ceiling in use
(which means offices are just big cubicles in the building shell
capped off with suspended ceiling) how do you keep noise from
traveling out of a noisy room? The suspended ceiling does little to
stop the noise from exiting through the ceiling and because there are
no walls seperating the offices above the suspended ceiling, the noise
migrates down into adjacent rooms.
B) in same scenario outlined above, if you can't stop the noise
at the source can you add something to the suspended ceiling in
adjacent rooms to limit migration of noise into them through the
For A) I'm wondering if I can't hang egg shell foam sheets above
the walls (in plane) maybe mass loaded with carpet padding affixed to
it. I don't even no how that would hold up with fire codes. I have
no idea what fire codes would be like above the suspended ceiling,
whether there are limitations as to what you can put above them.
For A) I'm considering rolling out insulation over top of
ceiling, possibly egg shell foam properly fire rated (and I'd make
sure I was allowed to do so by code). Again, I wonder if 'mass
loading' with carpet padding might help? (And again, of course
there's the fire code allowances to do so.