Sounds proofing between upstair and basement.

[Tammy Kapsalis]

Hi

I'm presently added a room in the basement. I'm looking for ways to eliminate as much sound as possible from upstairs. Interested in hearing from anyone that has used dynamat for sound proofing. I was originally going to use heavy duty R value in joists. Any suggestions appreciated? 

[Ming Lim]

There are some commonly used strategies (with varying success)  to limit sound transfer. For insulation, look at Roxul Safe and Sound. It's designed for fire-proofing and limiting sound transfer between the floors. Resilient channels can be used to suspend the drywall off the studs to limit sound transfer as well. Obviously, the kind of flooring also makes a difference. There are underlayments which can help absorb sound as well. 

At the end of the day, all these things only help reduce the noise. If someone is stomping or playing loud music, you'll still hear it. There is no way to truly eliminate sound transfer unfortunately!

Hope that helps!