Soundman2020 - Studio Design Forum

I found this product that is designed as a lining to prevent fibre fall from glasswool and polyester insulation, and its only $1.60 per metre so super affordable. From its look and description, it appears to be the same type of meterial as the Matt Black Facing that Bradford use on their DuctLiners....

I suspect I already know the answer, but can i use Bonded Polyester Fibre safely in the vents? I happen to have a bunch of this stuff laying around. It doesn't have any loose fibres, and it seems to be non flammable. However I don't know whats it absorptive properties are like, and perhaps it would ...

I'm having a real hard time locating anyone who has carries any of these products, and who is willing to sell me a small amount. I only need about 15m2 The Knauff Climacoustic is unfortunately not available, anymore. In fact it seems the web page has been taken down since my enquiry! :lol: The Fletc...

Oh wow, this makes so much sense! I could even mount some downlights in there as well. I think I feel confident to move ahead now! :yahoo: One more question - Whats your thoughts on using a fan on both the intake and exhaust vents, vs just having one on the intake? I've heard advice that using two f...

That's brilliant thanks Glenn.

So if the sofits are mounted inside the room ( ie beneath your inner leaf cieling), I imaging you also stuff them with absorption and finish with stretched fabric to provide bass trapping?

I'm looking at a couple of different Duct Liner products for lining the inside of the silencers. Would any of these be suitable? Any reason to choose one over the other? Bradford Supertel - Rigid Glasswool Faced Boards https://www.bradfordinsulation.com.au/commercial-and-industrial-insulation/hvac/i...

Thanks Glenn. Im not 100% sure what you mean by a plenum, but I'm imagining some type of box that the registers are attached to, large enough to slow the air down significantly so it just kind of falls out of the register silently? And if I use one of those, then my silencer can just be the same siz...

So, its time to revisit the dreaded HVAC issue again :( :x After struggling with this part of the design for soooo long I'm hoping to finally move on. But after the effort Ive gone to in order to isolate as much sound as possible, I really dont want to mess it all up here!! For the below calculation...

6601 Graeme The primary issues with yellowtongue and moisture are the edges and screw/nail penetrations. If you have a well installed moisture wrap and the fibre cement outer is well sealed the only other concern I'd have is moisture coming up from the bottom. If you have that covered, you've taken...

6574 I made an access hatch in a ceiling for changing air filters. There may be easier ways to achieve this, but it worked. I used 8 screws and a gasket to ensure it was airtight. Details here: viewtopic.php?p=3833#p3833 Thanks Jen, that's super helpful! 6200 Also, you didn't' mention any insulatio...

OK, so I place a couple of these inside the actual wall cavity (not the window cavity) and build access panels so I can change them from time to time. Do you have any examples of how to build these panels so that I don't compromise my air-tight seal?

OK thats great thanks Glenn. Pic below showing the frames in builld, I will wrap breathable fabric around that 3cm gap, so my window cavity iwill ndeed be exposed to the main wall and roof cavity. IMG_9917.jpg So if my room is 6x5.5m, with a 180mm air gap, 2.5m high walls and a pitched roof that is ...

Also, when Stuart says " 200 grams per cubic metre of air in the cavity", I assume we are referring to not just the window cavity, but rather the entire wall cavity in a decoupled system that the window is part of?

I have a question about Silica Gel. I read in this thread ( https://www.digistar.cl/Forum/viewtopic.php?t=714 ) that I should use 200 grams of Silca per cubic metre in between my fixed glass window panes. Will the gel one day become saturated and no longer effective? Should I put more in to make it ...

It will have a moisture wrap covering it and then fibre cement cladding, so hoping that is enough protection.
I will also go around and silicone seal all gaps for extra measure.