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-   -   Refractory cement in vermiculite concrete (http://www.fornobravo.com/forum/f6/refractory-cement-vermiculite-concrete-3627.html)

Brian Hudson 03-25-2008 04:06 AM

Purchase query
 
Where in South Australia can I purchase refractory cement or "fondu" as I bellieve it is/was called? I want to create a vermiculite/concrete slab for the base and cover my dome with vermiculite concrete. If I can't buy refractory cement can I use Portland cement with vermiculite (perlite) and if so, will it be prone to cracking?

dmun 03-25-2008 07:48 AM

Re: Purchase query
 
Welcome, Brian.

There is no need to use refractory cement for the vermiculite concrete. Portland will do just fine for this insulating layer. It doesn't get that hot. Where you need refractories is for the mortar between your firebricks, that are directly exposed to the heat of the oven. There are several different ways of doing that: keep reading.

asudavew 03-25-2008 06:30 PM

Re: Purchase query
 
Quote:

Originally Posted by dmun (Post 27494)
There are several different ways of doing that: keep reading.

Good Answer!

And I have to agree.

james 03-25-2008 07:37 PM

Re: Refractory cement in vermiculite concrete
 
Hi all,

I moved this to Getting Started. Good answers.
James


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