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Old 11th June 2020
  #4
Gear Head
 

Interesting. Thank you for that explanation. According to: https://www.tmsoundproofing.com/prod...R_TechData.pdf it seems like 1 layer of drywall with clips will drop it 23 db-35 db when below 150hz, while 2 layers will drop it 28 db-40 db.

Granted, they didn't have the green glue compound in there, but I'm not sure this would work as well as hoped. I'm kinda thinking I should start with 1 layer of drywall as the cost and effort of the second layer may not be worth the 5db difference and it may not be good enough regardless. Or maybe I should go a different route altogether like no clips and just the greenglue compound between 2 layers of drywall. That seems to have a similar rating.

Hmmmm...Lots to think about.

Thanks for help!!!