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Old 16th April 2018
  #10
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Quote:
Originally Posted by attaboy_jhb View Post
Thanks for your reply. How about now? It doesn't touch at all but the insulation of the side wall is exposed :(
If you only leave a 1cm gap between the end of the drywall and the outside wall, fill the gap with backing rod and acoustic caulk, as Dan has advised.

Quote:
Originally Posted by attaboy_jhb View Post
A framed wall needs steel framing to get its support and so is screwed at least somewhere to the outside structure.
If the inner room needs support from the existing building then use decouplers.

Quote:
Originally Posted by attaboy_jhb View Post
I am probably not going to have HVAC silencers (unless you can convince me! ). Was thinking of having just a normal Split air conditioner and switching off if I need to record something.
Jason was talking about ventilation, not AC. A multi-split can provide the H and AC of HVAC but not the V. You need air to breathe; what are your plans for ventilation?

Last edited by Starlight; 16th April 2018 at 12:14 PM.. Reason: Spelling