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Originally Posted by sound_music  in plain english this means double walls with an airspace between them. and for serious isolation you need to isolate the floor as well, and then construct the walls on that isolated surface |
Hmm , actually there will be an air gap (admittedly short) between siporex walls (division) and the inside walls (dry wall plus above mentioned material) .
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how much isolation are you aiming at, and what has your engineer promised you in terms of decibel reduction with your current design? worth investigating--my hunch (based on the pics and sketchup files) is that you're not going to get anywhere near what you'll need if you're planning to track acoustic drums and big amplifiers etc...
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He says something around 90 decibels . Doesn't it seem that the material I'm describing will handle it ? Tell me what you think because I'm worried too !
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fingers crossed for you bro...  |
Thanks again for taking your time , means a lot ;-)