IronMaiden
Joined: Nov 02, 2006
Posts: 564
Virginia Beach
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Posted on Feb 24 2007 08:57 AM
OK heres the deal: My bands been playing in my rythym guitarists practice space and that band is getting booted out. The good news is were moving into a new space and dont have to share with anyone else (2/3 of one band is the other) The bad news is that we have to sound proof it. Whats a good cheap way of doing this besides stealing all the stuff on the walls of the other space?
The space is a storage unit at least 10X30. (they dont have real practice spaces here, but this place is climate controlled, 24 hr access, gated, etc, etc... all for 150 per month)
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MikeG
Joined: Mar 29, 2006
Posts: 309
Springfield, Oregon
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Posted on Feb 24 2007 01:36 PM
Layers of old carpet over foam mattresses works pretty well.
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IronMaiden
Joined: Nov 02, 2006
Posts: 564
Virginia Beach
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Posted on Feb 25 2007 11:12 AM
Ok so after reading a little online the basics are: more mass=more sound reduction. I also learned that different layers of varying mass works great...Im gonna go to home depot to see what they have available as far as sheet rock and foam mattress type material. Im not sure about getting thrown out carpets for the reason that if someone throws them out its for a reason. (pet odors, smoke odors, etc)
If i can get enough sheetrock on the cheap Im gonna sheetrock, then over that place some carpeting, then finally foam mattress pads, does this sound like a solid technique?
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MikeG
Joined: Mar 29, 2006
Posts: 309
Springfield, Oregon
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Posted on Feb 25 2007 11:34 AM
IronMaiden
Im not sure about getting thrown out carpets for the reason that if someone throws them out its for a reason. (pet odors, smoke odors, etc)
Not the government, they replace perfectly good carpet on a fairly regular basis. Check with the local courthouse, public library, schools, etc. and see if any of them are scheduled to get new carpet, then see if you can get the old stuff when they replace it. Also, you might ask who actually replaces the carpet and ask them if they've got any jobs coming up.
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skeeter
Joined: Feb 27, 2006
Posts: 2063
Virginia, USA
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Posted on Feb 25 2007 11:46 AM
You can find some pretty inexpensive studio foam on ebay sometimes.
— Paul
Atomic Mosquitos
Bug music for bug people is here!
Killers from Space
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IronMaiden
Joined: Nov 02, 2006
Posts: 564
Virginia Beach
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Posted on Feb 25 2007 11:55 AM
MikeG
Not the government, they replace perfectly good carpet on a fairly regular basis. Check with the local courthouse, public library, schools, etc. and see if any of them are scheduled to get new carpet, then see if you can get the old stuff when they replace it. Also, you might ask who actually replaces the carpet and ask them if they've got any jobs coming up.
Hmm, interesting. Ive also got access to several Military bases (NAS Oceana) Those guys throw out tons of crap all the time.
Another area Ill check out is where really rich people live near me; There's is an area called Croatan where Ferarris and such are common; Those people throw out carpets sometimes too I imagine.
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WR
Joined: Feb 27, 2006
Posts: 3832
netherlands
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Posted on Feb 25 2007 02:33 PM
try a hall where they have tradefairs. the might throw away the temporary (high qualitty brand new) carpet after a fair is over. that's how we got our capret in our rehearsal space - we could come pick it for free after a fair.
WR
— Rules to live by #314:
"When in Italy, if the menu says something's grilled, don't assume it is."
https://www.facebook.com/The-Malbehavers-286429584796173/
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MikeG
Joined: Mar 29, 2006
Posts: 309
Springfield, Oregon
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Posted on Feb 25 2007 02:59 PM
Just found some free carpet and padding on Craigslist in the FREE section. 
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Fripperton
Joined: Aug 14, 2006
Posts: 270
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Posted on Feb 25 2007 03:16 PM
I've done soundproofing on a professional level so here are some general ideas. For soundproofing you'll want to add mass and density to stop the low end. Hi frequencies can be attenuated fairly easily with the standard soft materials. Multilayered sheetrock will work but gets expensive. There's a product called Homasote that's designed to go under carpeting and cut down on the noise from people walking around in the apt above yours. I've used that with decent results. There's also a product called Acoustilead. It's 1/64" thick lead that comes in rolls that are usually 4 feet wide and 25 feet long. It works great but it weighs about 1 pound per square foot so a roll of it is 100 pounds. I'm in LA so I can find these things rather easily. You may have to check with a local building supply place to find them. They won't be at Lowe's or Home Depot.
Also be sure not to make all of your interior surfaces soft or you'll end up hating the sound in the room. An acoustically dead room isn't much fun. Add a hard surface on 2 of the adjacent walls over the sound absorption since you'll only need soft surfaces on two of them to stop slapback echoes. And splay your walls about 1 inch per foot to stop standing waves. This will help stop wolf tones. If you're building walls within the space leave an airpocket between the new walls and the original walls. Dead air can kill a lot of sound. Decouple the new walls from the existing ones to keep transmission by vibration down. If there are exposed windows, some thick shrubbery covering them will also add a few db of attenuation.
— There is Surf east of Sepulveda.
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IronMaiden
Joined: Nov 02, 2006
Posts: 564
Virginia Beach
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Posted on Feb 26 2007 07:22 AM
Fripperton
splay your walls about 1 inch per foot to stop standing waves.
? Splay means spread out?
Thanks.
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Fripperton
Joined: Aug 14, 2006
Posts: 270
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Posted on Feb 26 2007 07:52 AM
Yes you want to make sure that two opposing walls aren't parallel to each other. What happens is you get that boingy kind of slapback as the sound reverberates from one wall to the other.
— There is Surf east of Sepulveda.
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DannySnyder
Joined: Mar 02, 2006
Posts: 11067
Berkeley, CA
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Posted on Feb 26 2007 08:56 AM
Fripperton, did you really mean 'shrubbery'? As in plants?
— Danny Snyder
"With great reverb comes great responsibility" - Uncle Leo
I am now playing trumpet with Prince Buster tribute band 'Balzac'
Playing keys and guitar with Combo Tezeta
Formerly a guitarist in The TomorrowMen and Meshugga Beach Party
Latest surf project - Now That's What I Call SURF
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IronMaiden
Joined: Nov 02, 2006
Posts: 564
Virginia Beach
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Posted on Feb 26 2007 09:09 AM
Im not going to be building any walls, just putting up dry wall and then carpet/carpet pad/whatever I can get for free.
I checked the prices at home despot and 1 sheet of 8'x6' 1/2" drywall is $8.50.
So if the room is 20X20 thats 400 sq feet right? and 1 sheet is 32 square feet thats around about 12 sheets which is 100 bucks.
Im not sure about the door though, its a metal roll up wich might be a pita to proof. Im thinking a partitian in front of it?
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MikeG
Joined: Mar 29, 2006
Posts: 309
Springfield, Oregon
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Posted on Feb 26 2007 11:09 AM
The roll-up door is going to be a problem, I'd look at some of that compressed fiberglass insulation that has a thick paper (sometimes metallized) backing and cut it into strips that can be glued on to the individual segments of the door. A hot glue gun works great for stuff like that.
As for modding the walls to avoid them being parallel, I wouldn't go that far for a practice space unless you think you're going to be doing some serious recording at some point.
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dp
Joined: Feb 26, 2006
Posts: 3546
mojave desert, california
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Posted on Feb 26 2007 11:40 AM
these look like they could sound-proof any space you happen to be in:
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MikeG
Joined: Mar 29, 2006
Posts: 309
Springfield, Oregon
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Posted on Feb 26 2007 02:53 PM
LOL. Just issue 'em to all the neighbors?
Probably be cheaper that way
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IronMaiden
Joined: Nov 02, 2006
Posts: 564
Virginia Beach
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Posted on Feb 26 2007 03:23 PM
We do plan on recording soon actaully, but it doesnt have to be Electric Ladyland or anything, but I would like it as pro as we can get. The good news is that the other band is trying to make it big and all that jazz and will probably like to dump some money into it, and thier keyboard guy is an engineer (he builds boats) so Im sure he can figure the details out.
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dp
Joined: Feb 26, 2006
Posts: 3546
mojave desert, california
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Posted on Feb 26 2007 03:28 PM
Perhaps for your metal roll-up door, you could install some sort of sound absorbing curtain or drape? Maybe something hanging strategically from the ceiling that can be tied up out of the way when not in use?
image
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Fripperton
Joined: Aug 14, 2006
Posts: 270
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Posted on Mar 01 2007 09:48 PM
DannySnyder
Fripperton, did you really mean 'shrubbery'? As in plants?
Yes a thick hedge will add a decent amount of attenuation when planted out side the windows. It basically diffuses the sound that makes it past the glass. I'm not saying it's the best method but used in conjunction with other techniques it will definitely help.
— There is Surf east of Sepulveda.
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