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gadzooks1

Yikes!!! How do I best soundproof my basement ceiling? Advice help! :)

5 years ago
last modified: 5 years ago

I am having my basement finished right now. The old ceiling has been removed so that all the HVAC and pipes have been nestled in so I can have 8' foot ceilings throughout the basement for the most part. Yay!

I really need to decide quickly about how best to reduce the amount of noise that comes from people walking on the floors above, so I guess that's impact noise. There are no carpets above, nor will there be, just hardwood floors. The basement "bedroom" is directly below the kitchen where there is a lot of action. It's now or never on need to make the right decision about the "soundproofing" the basement ceiling from the noises from the main floor.

I have suggested to my contractor (who is wonderful) to use Rockwool Safe n Sound (15.25 inch W by 47 inch Long) between the rafters which are about 14 inches apart. He was planning on using Acoustical Surfaces Inc.'s SOUNDBREAK XP, an acoustically enhanced gypsum board https://www.acousticalsurfaces.com/soundbreak/soundbreak.htm. So right now the plan is to use the Rockwool Safe n Sound with the Soundbreak XP.

I read and reread suggestions throughout the web and even on Houzz, but I'm still not sure what to do. The soon to be finished part of the basement is about 850 sq feet. About 1/3 of that space is "bedroom" area. That area I'm most concerned about noise.

  1. Should I do two layers of Rockwool throughout the entire basement or just where the bedroom is?
  2. Should I consider another product like Owens Corning Termafiber Fire and Sound Guard Mineral Wool Insulation Batt 15 in. by 47 in. as it's significantly cheaper?
  3. Should I insist that the contractor use resilient channel in the bedroom area?
  4. Are these bad ideas?
  5. Do you have any better ideas?



I'm feeling confused as to how to proceed. The contractor was going to do the insulation a week or two from now, but he'll be starting on Tuesday instead, so I really need to make a decision soon.

Thank you for reading this, and I'd really appreciate some good advice as how to proceed so my contractor can move forward on the project.







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