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-   -   Insulating Concrete Hearth (http://www.fornobravo.com/forum/f8/insulating-concrete-hearth-15516.html)

azsjones 03-10-2011 10:38 PM

Insulating Concrete Hearth
 
Does anyone know how long you need to let the perlite/portland cement mix for the insulating hearth set up before starting to build the oven on top of it?

RTflorida 03-10-2011 11:34 PM

Re: Insulating Concrete Hearth
 
I waited 1 week. It takes at least 4-5 days before it feels like it can handle the weight and abuse of climbing around on it to build the dome.

RT

azsjones 03-11-2011 05:32 AM

Re: Insulating Concrete Hearth
 
Thanks for the info. I'm building the form for the hearth this afternoon after work, going to make the pour tomorrow, then I have next week off. I'm hoping to get a lot done!


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