703 rigid fiberglass insulation

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Natural Gass

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What price have you all been paying for OC 703? I was just talking to a guy that'll sell 2' X 4' X 2" panels to me for $2.22 sq-ft. Seems like I read somewhere on the board $0.90 sq-ft.

I need about 48 sq-ft for now. That's a hundred bucks - for a hundred bucks, maybe I should buy a BBE Sonic Maximizer to impove my sound?

Rack gear just seems alot more sexier than a box of rigid fiberglass...
 
Hey - a pile of 703 is FAR more sexieer than a sonic maximiser PLUS it will make all your other rack gear sound better :):)

cheers
JOhn
 
I got mine for about 70 cents per sq ft. I got Johns Manville, not Owens Corning. 9 two inch thick 4' X 2' panels for 50 bucks.

After treating the room the monitors sound like a pair that cost 3 times as much and its actually possible to make decent vocal recordings in there. Worth the money and trouble, hands down.

On the bang-for-the-buck o meter, rigid fiberglass buries the needle (if you can find it for less than a $1 a sq foot)


Rigid fiberglass is so sexy it makes me itch thinking about it....
:D :D :D
 
I just bought some 1" for 55 cents per Sq Ft. I'm itching right now. But you go to luv it. I made 3 5' x 4' x 2" panels covered in black burlap to hang from my ceiling. Ummmmmmmmmm burlap:D
 
Hi guys, 3 questions:

1. Is it a good idea to wrap those fiberglass with plastic then burlap?

2. How do u guys decide where to place those panels? Do u need to cover the whole wall or just the mid-section of the wall?

3. How about some pictures of those panels?? :)
 
I got some 1" thick 703 for $ 0.50 canadian per square foot.. It came in bundles of 20.. each sheet being 2X4..
Ill have some pics in a bit of the ones I made.
I just made frames out of 2x2's ($2.09 per 8 feet), which are 7.5 feet X 2 feet, then the sheets of 703 fit nice and snug inside the frame.. then I covered the fronts and backs with that black landscape frabric ($8 for 50' X 3').. Used a staple gun for speed..
They were cheap and Im sure they are effective, however I havn't had any time to play around with music lately :(
Turns out to be about $15 for each absorber..
Besides the cost, the other great thing is they are light and portable, so you can just stick 2 in a corner of a room and have a decent vocal booth :)
 
Hell, I didn't even make a frame for them. I cut the sheets in half, doubled em up, wrapped them in burlap and hung them on the ceiling. I figured I didn't need a frame because they won't be moved. If I were gonna make ones that I was going to move around alot, I would make a frame for them though.
 
Gunther,
Can you give me name of the Johns Manville foam that you used? I'd like to check it out and see if I can get that here.

$0.50 a square foot sounds reasonable. I thought the dude was trying to hose me at $2.22/sq-ft and I didn't feel like bending over for him...
 
I'm sure a lot of you guys also read the acoustics newsgroup at Yahoo, but arrived on there today, could be useful:


-----Original Message-----
From: Daniel [mailto:deschete@hotmail.com]
Sent: woensdag 5 maart 2003 20:46
To: acoustics@yahoogroups.com
Subject: [acoustics] For everyone looking for 703


I just bought some of Knauff's version (basically a 3# fiberglass
unfaced board) from a local distributor named Reilly-Benton (I live
in New Orleans.)

They sold me only what i needed and told me that if people on
the 'net were having trouble finding it, he would be more than happy
to ship however much of it you needed anywhere in the world. Their
price was very reasonable. They also sell many different thicknesses
of the stuff.

They refer to it as "hull board" and they sell a ton of it to
boatmakers. I'm sorry to anyone if it's not appropriate to post
this, but I looked forever to find this stuff and if this guy can
supply to others in need, I want to pass on the info.

Contact Info:

Robert A. Caillouet
Reilly-Benton Insulation Company
504-734-1711
rac@reilly-benton.com

http://www.reilly-benton.com
 
I have read that glass fiber pannels with a density of 3 lb/cubic foot in 24" x 48" x 2" pannels is the best cheap way to go. Is that what OC 703 is?
 
J Wah:
Yeah, that’s exactly what it is.


Leeking:
It’s probably not a good idea to wrap it in plastic, since plastic tends to reflect HF sound. What will happen is that the plastic will bounce the sound back, so the fiberglass will never get the chance to absorb it.


N. Gass:
I think it was type 1003, here is a link to the PDF on jm.com. It will give you detailed info and even sound absorption levels by freq. There are probably other companies that make the stuff too... look around till you find one in your area. Jm.com has a dealer locater I think. 2 inch thick is the way to go, if you can get it.

http://www.jm.com/insulation/products/1000series_spinglas/1000SeriesSG_CI60A.pdf
 
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