#11  
Old 02-27-2011, 10:52 PM
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Default Re: Insulating Firebricks

"Vermiculite is rated well over 1000f, in fact it is exfoliated at 1200c,"
The exfoliation is done at around 540 C- 810 C, but still well over the 1000 F
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  #12  
Old 02-28-2011, 12:01 AM
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Default Re: Insulating Firebricks

Ppl seem to get so anal about all the what ifs?
Just go and build the thing and enjoy the benefits of a WFO.
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Old 02-28-2011, 04:18 AM
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Default Re: Insulating Firebricks

Quote:
Some like myself used Insulation Bricks some used Insulation Board others used Vermiculite Mix it does not matter as they all work.
Amen. If we start spreading the word that the only good solution is the difficult, expensive solution, we may discourage potential builders.
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Old 02-28-2011, 10:10 AM
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Default Re: Insulating Firebricks

The vermiculite mix has been used by literally hundreds of builders on this site with success.

It is cheap and easy. I'm convinced it is the best solution for the DIY builder for the under hearth insulation. The FB board insulation also works well and for some may be the solution since it doesn't involve the formwork, pouring and leveling that the vemicrete requires.

Last edited by Neil2; 02-28-2011 at 10:16 AM.
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  #15  
Old 02-28-2011, 01:33 PM
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Default Re: Insulating Firebricks

Quote:
Originally Posted by Karangi Dude View Post
We know that vermiculite is well rated but what about the cement that is used in the mix.
Use cement fondue, a high temp. calcium aluminate product from a company called Kerneos.
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