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-   -   What do you have for Insulation (http://www.fornobravo.com/forum/f8/what-do-you-have-insulation-19030.html)

K79 03-04-2013 10:39 AM

What do you have for Insulation
 
I'm just wondering what everone here did for insulation under their oven floor? How many incheds of insulation board, firebrick island like the FB plans, refractory concrete etc... Also would you have done more for insulation looking back on your project.

Thanks

Tscarborough 03-04-2013 10:55 AM

Re: What do you have for Insulation
 
4" of 8-1 perlcrete, don't need anymore or any less.

V-wiz 03-04-2013 11:42 AM

Re: What do you have for Insulation
 
I will have 4" of Cal-Sil, might even have enough to put 6" of it.

K79 03-04-2013 11:50 AM

Re: What do you have for Insulation
 
Quote:

Originally Posted by V-wiz (Post 146921)
I will have 4" of Cal-Sil, might even have enough to put 6" of it.

Is this basically the insulation board Forno Bravo sells and indicates using 2" of? Would Fiberglass Insulation Board work?

V-wiz 03-04-2013 11:54 AM

Re: What do you have for Insulation
 
Quote:

Originally Posted by K79 (Post 146922)
Is this basically the insulation board Forno Bravo sells and indicates using 2" of? Would Fiberglass Insulation Board work?

I think FB sells Ceramic fiber, so no its not the same. I cant comment of the fiberglass, im not sure. sorry.

Ken524 03-04-2013 05:29 PM

Re: What do you have for Insulation
 
Don't experiment, get creative or try to go cheap on your floor insulation. It's absolutely the MOST important element of your oven. Use FB Board, CalSil or vermiculite/portland cement. Follow the instructions in the plans.

ShuttleAU 03-04-2013 08:00 PM

Re: What do you have for Insulation
 
Under hearth. 100mm Hebel Blocks ( aerated cement blocks)

K79 03-05-2013 08:41 AM

Re: What do you have for Insulation
 
I'm trying to get the exact name so I can look it up online and share it. It's from a place that sells this sort of stuff and works with firebrick all the time. Definitely not cheap. Going to cost me about $300 for my oven. I'll post when I get the name of it.

V-wiz 03-05-2013 08:49 AM

Re: What do you have for Insulation
 
I got my insulation from these guys. Pacific Insulation - Industrial Products - Pipe Insulation, Air Handling/HVAC, Industrial Insulation, Commercial Insulation, Insulation Fabrication. Each board cost $10. So you may save money if you order from them and have them ship it over. Or you can find someone local to you that has Calcium Silicate boards like these. I got 13 boards, which cost me like $140 and some change.

K79 03-05-2013 08:51 AM

Re: What do you have for Insulation
 
Quote:

Originally Posted by V-wiz (Post 147008)
I got my insulation from these guys. Pacific Insulation - Industrial Products - Pipe Insulation, Air Handling/HVAC, Industrial Insulation, Commercial Insulation, Insulation Fabrication. Each board cost $10. So you may save money if you order from them and have them ship it over. Or you can find someone local to you that has Calcium Silicate boards like these. I got 13 boards, which cost me like $140 and some change.

Since the oven floor rests directly on the insulation what heat rating should the board be though? How hot does the average WFO get on the floor?


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