I’ve got a basement with a drop ceiling that I’d like to reduce the impact noise of the floor above. What’s the best way to handle this?
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It takes mass typically to reduce floor sounds. Closed-cell spray foam will help as would a layer or two of 5/8" drywall between the joists tight to the floor. There are also spray soundproofing products but they are expensive.
The supports for the ceiling need to be resilient -- ie, they need to flex a bit.