Insulation and soundproofing
Soundproofing interior walls-video
...soundproofing batts in the interior partitions and for the mechanical room, we added soundproofing batts along with resilient channels and 2 layers of 5/8 drywall.
Now that you know about soundproofing interior walls, learn more about reducing sound transmission in homes on the pages below and in the Ecohome Green...