Studio Construction newbie. questions..

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sproutrecording

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I am currently building a small studio in a building in beautiful downtown Flint, Michigan. I am on the second floor. The dimensions of the live room are approx. 13'x20'. the control room is approx. 12'x19'. the ceilings in both rooms are 11' high. the control room will be setup so that the window going to the live room is on one of the 12' walls. there are also smaller rooms adjacent to the live room which I plan to use for iso booths. I have been recording for a while, but I am new at the studio construction and design. The room that the control room is in is actually around 24x19', but I have built a wall to divide the room. Right now I just have the 2x4 studs up.

I have a lot of questions, but I want to start with the basics first. I have a very limited budget, so I want to do it as cheap as possible. Most of the 2x4's were salvaged from another building. What is the best (and cheapest) way to reduce sound transmission through the wall. The frame is already up and I don't have the $$ to build a staggered-stud wall. I have heard that you should put two different thicknesses of drywall up. I have also heard that you should fasten a second layer of drywall to the first with caulk.

Also, what type of insulation would be the best and cheapest to use inside the walls? I am hearing all these numbers being thrown around, but I need something that I can pick up easily at my local home depot.

What is the difference between regular construction caulk and acoustic caulk? What type of caulk that they would carry at my local store would be best for filling the cracks?

I would be using this studio to record punk, hardcore, and metal bands, so isolation would need to be pretty good, considering the loud volume these bands like to play at.
 
http://www.domesticsoundproofing.co.uk/tloss.htm

>>I would be using this studio to record punk, hardcore, and metal bands, so isolation would need to be pretty good, considering the loud volume these bands like to play at.<<

You'll need to do some very serious research before you start building, for it's a complex subject.

In the bottom of the website I linked, you can see that you can gain an extra loss of sound pressure level of 23 dB by using the same material in a different way.

Don't hesitate to put questions on the forums. Ethan Winer has a forum at musicplayer.com and Rod Gervais can help you at recording.org

Don't start building walls before you know exactly what and why you are doing.

Edit: look also here: http://www.homerecording.com/bbs/showthread.php?t=121968
 
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