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U.S. equivalent of Rockwool?


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Howdy all -- Still doing some planning on soundproofing my drum room... A few articles from Sound On Sound reference Rockwool, which, at least according to [url=http://www.rockwool.com/sw3359.asp]their web site[/url] , seems to be available in many countries except the US. Is there a US equivalent for Rockwool? From what I've been able to gather, Rockwool is better than standard fiberglass insulation... Does such a beast readily exist in the US, or will I have to stick with regular insulation? Thanks in advance...
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Rockwool, or spun molten rock threads iis available in the US. It's pretty pricy and used mostly as a growing medium for certain plants with special needs. It's very pricey, and I've never heard of it as a sound barrier. Check hydroponic supply stores.
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[quote]Originally posted by posterchild: [b]Howdy all -- Still doing some planning on soundproofing my drum room... A few articles from Sound On Sound reference Rockwool, which, at least according to [url=http://www.rockwool.com/sw3359.asp]their web site[/url] , seems to be available in many countries except the US. Is there a US equivalent for Rockwool? From what I've been able to gather, Rockwool is better than standard fiberglass insulation... Does such a beast readily exist in the US, or will I have to stick with regular insulation? Thanks in advance...[/b][/quote]They have some fibreglass products listed for sound insultaion purposes, if you can't find the rockwool this might be the way to go. I think it's basically just the stuff with the higher R value, but I could be wrong :) -- Rob
I have the mind of a criminal genius.....I keep it in the freezer next to mother.
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[quote]Originally posted by Lee Flier: [b]check these guys out for rockwool in the U.S.: http://www.amerrock.com [/b][/quote]Do you mean http://www.amerock.com ? The location you mentioned seems to be down.
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Rockwool is valued for its density over fiberglass. It's usually used as an absorptive -- not as a barrier -- for gobo boards and bass traps. Been so long since I've gotten some I wouldn't know where to point you. But I'm guessing a search on acoustic materials would gnab you something that is as [nearly as] dense.
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I used construction grade noise silencing blackboard, like used before bricking up your house. It ain't cheap, but it works. But I've got an inner wall as well. Really helps keep low frequencies from pissing off the neighbors, you can barely hear bass. My goal was more to control sound from getting out, rather than sound getting in. Of course I used batt insulation in between the studs, and the blackboard on top of that. I put hard rubber spacers between 1x2's and 3/4" sheet rock on top of that. And taped the SHEEIT out of it. I had to put some 3" Auralex to tune the room a bit, as it was pretty boingy. I left one side untreated, and its a pretty good balance considering it has absolutely no calculated design, just seat of the pants see if it works!!!!! Good luck. :)
Down like a dollar comin up against a yen, doin pretty good for the shape I'm in
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[quote]Originally posted by posterchild: [b]seems to be available in many countries except the US. [/b][/quote]Impossible. You've got everything but Robertson screws. [i] Ahh crap, you've got those too [/i] The brand name that lept to mind is [b]ROXUL[/b], because it is great house insulation (doesn't go to mush like pink glass if it gets wet) and not much more than "pink" in price. It turns out they have a few web sites starting here: [url=http://199.202.236.133/]ROXUL Canada/U.S.A.[/url]
It's OK to tempt fate. Just don't drop your drawers and moon her.
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We used A LOT of Rockwool when building our studio. It comes in several densities and shapes, including fabric-covered sandwich designs. Don't even think about handling that stuff without wearing protective clothing and gloves... but it is perhaps not as bad as fibreglass. Important feature: it is fireproof. /Mats

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For rockwool try this : http://www.deltarockwool.com/ or http://www.rockwool.ltd.uk/web/index.cfm in the UK for fibreglass try either of these. http://www.knauffiberglass.com/index.cfm?fuseaction=prd.dspProdDetail&ID=12 http://www.owenscorning.com/around/sound/commercial_acoustics/black-acouboard.asp Rigid fibreglass is superior to rockwool as it absorbs down to the lower frequencies. cheers JOhn
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