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Refractory cement in vermiculite concrete - Forno Bravo Forum: The Wood-Fired Oven Community



I'm Peter Reinhart! Ask Me Anything! Monday, February 15, 2016 7:00-8:00 pm EST

To kick off our AMA feature, we have invited author, chef and master bread maker and host of Pizza Quest, Peter Reinhart, to be our first host! Peter will be in the Forum on Monday, February 15th, from 7:00 - 8:00 pm EST. If you are unable to be online during the live session, you can post your questions in the sticky post. Peter will answer those questions during the live session on February 15th. You can view Peter's answers to your questions as well as what happened during the live session in the session thread.

Ask Me Anything New Forum Feature

You will notice a new forum at the top of the main page called, "Ask Me Anything". This forum will be used for live one hour "Ask Me Anything" (AMA) sessions hosted by people who are knowledgeable in different areas pertaining to wood fired ovens. How it works:
- Each AMA will have a "sticky" thread where the community can post questions they would like answered during the live session. This will allow everyone to participate even if you can't be online for the live session. These questions will not be answered by the host until the live AMA; if you need an answer quickly, you should post it in the appropriate Forum area for the community to respond.
- Another thread will be posted for the live AMA. Registered users who are logged in during the live session can interact with the host by asking questions and receiving responses.
- The live thread will remain in the AMA forum to view after the session.

We hope you enjoy this new feature! Please let us know if there is a topic that you'd like to have as an AMA and we'll look for a host!

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Refractory cement in vermiculite concrete

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  • Refractory cement in vermiculite concrete

    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?

  • #2
    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.
    My geodesic oven project: part 1, part 2


    • #3
      Re: Purchase query

      Originally posted by dmun View Post
      There are several different ways of doing that: keep reading.
      Good Answer!

      And I have to agree.
      My thread:
      My costs:
      My pics:


      • #4
        Re: Refractory cement in vermiculite concrete

        Hi all,

        I moved this to Getting Started. Good answers.
        Pizza Ovens
        Outdoor Fireplaces