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I checked the site and one rockwool material listed is up near 90kg/sq metre - from what I have read this is probably a little too dense for proper bottom end control.
Take care with the choice buddy - I have gone with a semi rigid 35kg/sq metre material as advised by John.
Great to hear from you - best thing to use is Dacron - made by Tontine - but it is VERY VERY expensive.
I went with Bradford semi rigid with tissue paper (supplied like that).
I used combinations of 25mm semi rigid against gyprock (comes with no paper) then 50mm with paper on top of that - i.e. inside of studio wall - then covered with acoustic cloth.
It is expensive as well but with the tissue paper you don't get exposed to the fibres in the studio.
Great to hear from you - best thing to use is Dacron - made by Tontine - but it is VERY VERY expensive.
I went with Bradford semi rigid with tissue paper (supplied like that).
I used combinations of 25mm semi rigid against gyprock (comes with no paper) then 50mm with paper on top of that - i.e. inside of studio wall - then covered with acoustic cloth.
It is expensive as well but with the tissue paper you don't get exposed to the fibres in the studio.
Will say hi to Mr Tonx for you
Can you please post info on the insulation product you used. Order number or product number etc. would be handy as I too rang the guys at FMInsulation and didn't really know if this was the right product. where you got it too would be great.
best thing to use is Dacron - made by Tontine - but it is VERY VERY expensive.
What are you referring to for the dacron? The material covering the insulation??