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-   -   Structural or Insulating (http://www.fornobravo.com/forum/f6/structural-insulating-2452.html)

Mojoe 08-24-2007 01:19 PM

Structural or Insulating
 
For the hearth slab, do I pour regular concrete first then cap with the insulating concrete or insulating concrete then regular concrete? :confused:

james 08-24-2007 01:22 PM

Re: Structural or Insulating
 
Welcome aboard Mojoe,

The structural layer is below (at the bottom), and the insulating layer (either SuperIsol or vermiculite concrete) sits on that. The oven in turn sits on the insulation, and you really only need insulation below the oven floor itself.

Mojoe 08-24-2007 01:33 PM

Re: Structural or Insulating
 
Makes perfect sense. Is the insulation layer hard enough to anchor J bolts for sidewalls and a roof?

asudavew 08-24-2007 01:37 PM

Re: Structural or Insulating
 
From what I have read it is better to put the J bolts in the bottom layer.

Mojoe 08-24-2007 01:42 PM

Re: Structural or Insulating
 
One of these days I should learn to trust my gut instinct... back to the store for longer bolts.


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