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705 FRK Sandwich?
Old 12th May 2009
  #1
Gear Nut
 

705 FRK Sandwich?

Hello,

I've been looking on the site and taken in lots of great advice and started building my broadband absorbers and treating my control room. A big thanks for all the collective info. After calling around for local/cheap options, I decided on rockwool over 703. They wanted 1.50 sq ft and rockwool came out to .34 cents sq ft! So I started with the Rockwool which was much flimsier than i thought but I'm making it work in the corners with frames. I was thinking about sucking it up and buying some 703 panels for some flat panels so i wouldn't have to deal with making more frames when i got a call from a HVAC guy who sold someone locally 705 FRK panels and the guy had 2000 sq ft extra after the job annd is looking to get rid of them.

I've read about the reflection properties and seen Ethans charts about the FRK etc, but if I was to turn 2 x 2" pieces in on each other where the FRK backing was in the middle, would that eliminate the FRK reflection and give it the same properties as non FRK 705? I wouldn't mind a little FRK reflection here and there but more often than not, I'm pretty sure I'd like to not have the reflection and if the price is right, I'll buy a bunch.

Thanks,
Chris
Old 12th May 2009
  #2
Gear Maniac
 
embrionic's Avatar
 

hi, i am not one of the "experts" here, but in i would bet they will chime in very soon and say that the frk should be removed in the application you describe...

i replied mainly because I did exactly this for a rather large batch of frk 703 that I got. I peeled the FRK off several pieces where i was using the panels in a multi layer (sandwich) configuration. Its pretty easy to remove. usual precautions apply (masks gloves etc).

if the price is right well then thumbsup good luck.

Last edited by embrionic; 12th May 2009 at 06:22 AM.. Reason: typo
Old 12th May 2009
  #3
Gear Nut
 

Great. I thought I had read that it was a pain to peel off but that makes my decision much simpler.

Thanks.
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