Celotex

  • Thread starter Thread starter darnold
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darnold

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Hey John.

You never got around to answering my studio questions from my last post, but i understand that you are a busy guy.

I decided im just gonna try and come up with everything my self, then ask you if its gonna work.

Except i have a few questions. First of all, i have not been able to get ahold of Knauf Rigid Fiberglass in my area. I could probably get it special ordered. So i went on a hunt to find out what i could get the would do about the same absorbtion. What i have found is this.

http://www.bpb-celotex.com/abstracts/LCD-4005-600.pdf

and

http://www.bpb-celotex.com/abstracts/LCD-4008-800.pdf

The 800 model claims to be the best for recording studio absorbtion, but i see that it only comes in 1". I checked the sound absorbtion properties on both. The 800 Seems to deaden all but the lower 125hz with well balance. They are all close to .50 to .70 (of course you can see for yourself) where as the 600 seems to be varied with the STC. The 800 also comes in all different fabrics and textures which is very nice for what i want to do, but sound is more important. I have not checked out the price differences on these either, but i know the 600 is about $26 US for a 2" 4x8 ft panels. Celotex is a very common insulation thing around here and there are a few different brands, but this was the only brand that i could find that had coifficient charts and stuff. But i can actually get one of the two, not sure which one exactly in 3 and 4". Of course with either one i will have to build a good bass trap for the 100-200hz range which i will probably need you help with.


Now, i calculated that it would take around 300-500 dollars US do every inch of my studio with this stuff, and getting it completely dead. However, i know that is not usually ideal for recording. I was thinking i probably would only need to buy a few of these pannels and add along with some good diffusors for what i need. I also thought that i could make one side of the room dead, and one side live.

Of course this doesnt have much to do with the console room which is where ill probably need the most help on.

Let me know what you think.


BTW, if you want quick JPG of the the studio layout its here, if it will help you get a better idea on what i need.

http://www.srv.net/~apress/slowrecords/studio/studio.jpg

Im also planning on doing something with the ceiling soon. I was talking with my cousin who works at a home depot place what he thought i should do. He said with my budget, i should skip the fiberglass insulation and just do the flexible channel with dry wall. Then he said to test it and see how much that fixes the problem, then if i need to put the fiberglass in. It sounded like a good idea, but i wanted your professional opinion first.

Im also still planning on draping anything not covered with accoustic stuff with a very thin cloth. Bed sheet thin. This is mainly because i dont want to paint because it will never be done constructing, and it will look better then blank mudded dry wall. It also creates a mood effect that i want. But i was little worried about the accoustic problems it could cause, although little or any at all.

Thanks for the help again.

Later.

danny
 
sorry for not getting back danny - I forgot - look the 600 in 2" looks like what you need. The tack surface option is price dependent, i.e. how much extra is it.

cheers
JOhn
 
Heh, funny how fast these posts can get off the list. However i wonna bring this back alive.

Sorry for the long delay John. Had a week there when i got extremely busy. I will go and get the prices for all this stuff so i can figure it out better. Ive also been busy with adverstising for the studio because im planning on getting a little bigger so ive been a little busy with that. Do you think i will need to line the walls with this stuff or just a panel here or there? I dont wonna go overkill especially if its not really needed but i do wonna do what i need to do for a better sounding room. I will also need some ideas on some bass traps. I was thinking the bass traps with your slat resonator ideas but will this work also with what im planning? will the slat resonators be better for this also?

I also had an idea a little off topic about using this celotex stuff for the cieling. The cieling is just open joists right now and its really noisy when people walk across. I was going to do the insulation, flexible channel, and dry wall idea but that will also cost me around 300-500 bones. Any other ideas for fixing the ceiling? i wonna do it right so if there arnt any alternatives for getting it right, tell me ;).

Thanks again,

Danny
 
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