#1  
Old 06-16-2011, 10:54 PM
Serf
 
Join Date: May 2011
Location: Los angeles
Posts: 6
Default Alternative insulation

I came up with a idea to use fiber glass insulation mixed with spec mix and fire clay to make my insulating layer instead of vermiculite it seamed to work does anyone see me having any problems with this thanks Jason

Last edited by Jason79; 06-16-2011 at 10:57 PM. Reason: Bad spelling
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  #2  
Old 06-17-2011, 09:42 AM
Serf
 
Join Date: Jun 2009
Location: N. VA, USA
Posts: 7
Default Re: Alternative insulation

I would think Fiberglass mixed with clay would be fiber re-enforced clay. Fiberglass insolation works due to the air space it holds.
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Old 06-17-2011, 10:37 AM
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Location: New Jersey USA
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Default Re: Alternative insulation

There's no reason not to use vermiculite/perlite concrete if you have the room for it. It's cheap, universally available, and heat proof.

Mixing fiberglass with clay is a really bad idea, as Mark has pointed out.
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Old 06-27-2011, 05:50 PM
Peasant
 
Join Date: Mar 2011
Location: Spokane, Washington
Posts: 26
Default Re: Alternative insulation

I would just buy the woven ceramic. I can buy it up here for less than $150 and it is enough for a 3" layer plus some for a 36" interior oven I built. The insulation is amazing. It makes a huge difference. Just google woven ceramic insulation in your area. Good luck.
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Old 06-28-2011, 10:33 AM
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Join Date: Oct 2006
Location: Vancouver Island
Posts: 1,374
Default Re: Alternative insulation

Some fiberglass insulation will not stand up to the 1000 + F that the oven will reach.
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