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Studio construction materials

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Re: Studio construction materials

PostPosted: Mon Jan 23, 2006 7:14 pm
by countflad
now then everyone...thanks for the great advice i've found here...been of great help!!!

just a quick line...just had the quote back from Travis Perkins for my 60mm, 60kg/m3 rockwool type slab and, for 100 square metres they reckon £500 give or take a few pennies.... is that good or bad?

any ideas?

Re: Studio construction materials

PostPosted: Tue Jan 31, 2006 1:43 pm
by Paul Spencer
Assuming the RS-60 price is inc vat, that's pretty cool.

otherwise try these guys who supply 2.4m2 packs (50mm or 100mm thick) about £16 inc vat. I'm sure they'd do discount on 40+ packs.

Re: Studio construction materials

PostPosted: Fri Feb 10, 2006 10:27 am
by PRO Acoustic
we treated our practice room with acoustic foam and it made a big difference, we were given a contact by a guy we know who recently refurbed his studio in manchester
heres their site

and not bad prices compared with some

Re: Studio construction materials- Mutemat

PostPosted: Tue Mar 07, 2006 4:54 pm
by ZanyKat
I have seen some stuff advertised as good for reducing noise from computer cases ( Has anyone tried it for other noise absorbing areas as all that I seem to see else where is Foam?

Re: Studio construction materials

PostPosted: Fri May 19, 2006 8:52 am
by mishmash
big difference? what is that in terms of acoustics - reverbertion time reduction?
acoustic foam will only control reverberation and will not be effective at soundproofing unless you are only looking for a nominal reduction in transmitted noise - less than 3 dB which is unlikely.

tried emailing and asking acoustic-foam for low frequency data a couple of times but no joy.

the low frequncy performance is very poor and there is no data from any of the configurations.

can anyone help?

Re: Studio construction materials

PostPosted: Mon May 22, 2006 10:19 am
by Costleys
Has anybody used this material as a replacement for plasterboard or had any experience of it?

Re: Studio construction materials

PostPosted: Mon Jul 24, 2006 4:38 pm
by adambam
Large Foam 'panel', neatly pre-contained in a cotton cover - for £15

call me 'out there' but could THIS have some acoustic potential? - maybe as the front of a large framed bass trap with rockwool behind?

Re: Studio construction materials

PostPosted: Tue Jul 25, 2006 9:47 am
by Martin Walker
It depends entirely on whether it contains open cell or closed cell foam. Here's a good description of the difference:

Open cell foam is ideal for acoustics, because air can enter it and be absorbed, but closed cell is useless. Sofas commonly use both open cell foam (for softness and comfort) or closed cell foam (firmer and more resilient). Beds commonly use closed cell foam because it provides more support. I suspect in this application the fact that open cell foam can absorb liquids would also work against it.

So, I suspect an Ikea mattress of that size would use closed cell foam, and therefore be useless for acoustic purposes. On the other hand, perhaps a smaller baby mattress would use softer open cell foam.

You'd have to ask Ikea or try blowing through the mattress to see which it is for certain though ;)


Re: Studio construction materials

PostPosted: Thu Jul 27, 2006 9:51 am
by YvesK
Costleys wrote:Has anybody used this material as a replacement for plasterboard or had any experience of it?

I have planned to use just this material in my floor, on top of a few other layers, as base for final, hardwood flooring. It's supposed to have more mass as well as more stifness than plasterboard. As I said: still have to start works, can't comment on it yet, but I did choose it after carefully comparing specs v/s plasterboard.

Re: Studio construction materials

PostPosted: Tue Aug 01, 2006 1:51 pm
by ronaldo77
Hi Paul,

I can't say I agree with everything you say in your post.

The first point is about exotic soundproofing materials like vinyl mats. If you've ever tried to lift one of those mats you realise how extremely dense and heavy they are (usually 5kg/m2), much more so than plasterboard. Yes you probably could get the same soundproofing with 2 or 3 layers of 12.5mm plasterboard as with one vinyl mat but that would be 25mm thickness as opposed to 5mm. That's might be a really important consideration for some. Two or three sheets of plasterboard probably will not work out much less in terms of cost than one sheet of the vinyl anyway. The vinyl mats are around £5-6/m2 so two or three sheets of plasterboard, even at £2/m2 (which is a good price) ain't that much cheaper. I'd rather go down the exotic route and pay the same or a little extra to have the thinner wall.

To be fair I've found with the specialist suppliers that they are prepared to price match if you can show them, for instance, the acoustic sealant price on screwfix or the RS60 price from other suppliers.

The second assumption I would question is that it can all be done with rockwool, timber and plasterboard. For real bass absorption (i.e. if you don't want to hear your drums on the other side of the wall) you will need to go down the isolation / resilient bars route. Try asking a builders merchant for resilient bars.

Apart from that I found some good food for thought in your post and I would be interested to know what it is about studiospares that should be avoided - is it their acoustic treatment materials (which seem a bargain compared to auralex) ?

Re: Studio construction materials

PostPosted: Tue Aug 01, 2006 6:55 pm
by PrinceXizor
For real bass absorption (i.e. if you don't want to hear your drums on the other side of the wall)

I'm afraid that is NOT what is meant by creating bass/broadband absorbers. These types of absorbers are meant to absorb sound so that decay times and levels are even and low (i.e. no modal ring, etc.). They are NOT intended as sound isolation. Acoustic treatment DOES NOT mean sound isolation.


Re: Studio construction materials

PostPosted: Wed Aug 02, 2006 10:51 pm
by Gary M
studiospares being avoided?

Their acoustic treatment is actually more absorbent that the auralex equivalent, being more dense and thicker (i.e the 50mm stuff starts at about minimum thickness 25 mm and raises to over the 50mm/ 50mm is the average, auralex peak at 50 and go down to about 5mm) They are also miles cheaper and at 50 x 50cm they are easier to arrange on the walls.

their rock wool is not over retail at 35 quid for 8 slabs of rw3, and has came down in price over the past year or so, remember the stuff from wickes etc.. is a lot less dense.

their own brand sheetblock works out a whole load cheaper too.

I've found over the years the studio spares guys to be really helpful and if your getting a load of stuff from them you a get a bulk buy discount.

Re: Studio construction materials

PostPosted: Wed Aug 02, 2006 11:01 pm
by Gary M
Wurlitzer wrote:Can anyone suggest a good place in or near London to buy thick, dense concrete blocks? I'm looking for the 190mm thick, maximum density ones. Wickes and Jewsons only seem to sell the standard 100mm thick ones for cavity walls.

I found some wholesalers on the net that have the full range but they only seem to sell to building suppliers. So someone somewhere must have these blocks to sell to the public!

Look up j p morans, they are in willesden & kilburn and will deliver, usually very well priced.

also travis perkins i would avoid like the plague, Bulders depot is very cheap too (in cricklewood), same bloke that created castles and then sold out to travis perkins.

I used to do Loft conversions in and around london and these were some of the cheapest places that we sourced materials, That was 2 years ago though.screwfix for a lot of other stuff like screws nails, and cheap tools the ebaurer screw guns seems to last longer that the dewalt ones we had.

Re: Studio construction materials

PostPosted: Thu Aug 03, 2006 2:43 pm
by ronaldo77
Yes I'm fully aware - as are most people on this thread - that acoustic treatment is not the same as sound absorbtion.

Isolation or 'resilient' bars are there so that structural vibration caused by low frequences do not travel from the inside wall to the outside wall. This means that low frequency sounds like a kick drum are better soundproofed.

Re: Studio construction materials

PostPosted: Wed Aug 09, 2006 8:57 am
by Marty Bampot
G'day everyone,

I've been trying to find a source for Rockwool slab in Australia and finally had some success, so I thought I'd share it just in case there are other Aussies interested.

FM Insulation in Sydney have a good range, and the boss there Mike Flavell is very helpful.

In Perth (where I am), Australian Insulation Supplies in Jandakot is the place. Their boss Ian Swann is also very helpful.

Mike Flavell said it also should be available from CSR Bradford in all capital cities, but they have been too busy so far to respond to my enquiries.

Anyway, I've been down to AIS and picked up two packs of 100kg/m3 at $90 each. Packs are 1200x600mm and contain 6 slabs of 50mm or 12 slabs of 25mm.

Now all I have to do is brush up on my pathetic woodworking skills :headbang: