Quote:
Originally Posted by 81MC
If my calculations are close, I’m looking for minimum STC of 60 with a primary focus is keeping noise out of the upstairs room. It’s full range sound, so focusing solely on STC numbers is not a great idea, and I have some venting that I need to figure out a solution for. I don’t think I’ll get away with removing the ducts and going radiant heat for this, but hopefully there’s some mechanical solution that can be used. Basement already has raised flooring, not sure if that’s a help or hinderance with structural borne control.
It’ll be a drum room/guest bedroom, with a washroom attached. The two exterior walls are cinderblock, and the room is well isolated from exterior noise as is.
Budget and maintaining it as a functional space for everyone else is critical. Tentative plans are just bat insulation in joists, double layers of 5/8 drywall throughout and figure out the ducting feasibility. I have a couple of inches to play with drywall guy and adding a secondary ‘ceiling’ if needed.
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Consider sound bar or split studs too.