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Double Firebrick ?? - Forno Bravo Forum: The Wood-Fired Oven Community

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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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Double Firebrick ??

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  • Double Firebrick ??

    Hello All,
    Would it be usefull to put a double firebrick hearth under the dome, OR would that take away to much heat from the oven and not act as an insulator like the vermiculite does. ???

    Mark
    TOGNJ

  • #2
    Re: Double Firebrick ??

    Firebrick is not an insulator. If pizza is your goal, one layer of flat firebrick is what you want, with insulation underneath.
    My geodesic oven project: part 1, part 2

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    • #3
      Re: Double Firebrick ??

      Fire brick will add mass to the oven and create a heat sink, This is good for breads and baking but takes longer to reach pizza temps. I doubled the floor and added an extra layer of fire mortar over the dome to create this very effect. I can't say that it take longer (but it must)to heat because I have nothing to compare it to but....it work great. The real key I believe is to insulate heavily. Insulation is more important than mass. I like doing long slow roasting say ribs or roasts.
      sigpic

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      • #4
        Re: Double Firebrick ??

        For the record, I have a single layer of firebrick on the floor and a little extra refractory mass (1") in the dome. I can bake 25lbs of bread in one firing (or more, but I have never had more to bake). My temps are still 300 degrees the next day. So unless you are a commercial baker, the regular plans will work for you. Insulate everywhere!
        Drake
        My Oven Thread:
        http://www.fornobravo.com/forum/f8/d...-oven-633.html

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        • #5
          Re: Double Firebrick ??

          It is a trade off between fast heating and sustaining the heat.

          As noted by DrakeRemoray, the typical one layer design will also work well with bread baking.

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