Soundproofing Tips suggests: May well 18, 2015 at one:32 PM I'd personally test to handle the hole within the garage doorway to start with, Most likely with a few weighty duty temperature stripping. Then, like you counsel, insulated between the joists. Harmless N’ Sound is not really as good of https://trevordxnep.bloggactif.com/33587381/a-review-of-window-soundproofing