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Fire Brick Or Concrete? - 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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Fire Brick Or Concrete?

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  • Fire Brick Or Concrete?

    Hi All,

    I want to build a pizza oven in my back yard this summer. I've looked through some of the posts here and had a few questions.

    I know fire brick is the preferred material, but is there some type of cast-able material (i.e. concrete) that would work well? This would allow me to build a concrete form, or order a custom half circle form and make the cooking chamber in one piece.

    Do fire bricks come in other shapes? I've only seen brick, and wedge shapes online. Do arch shapes exist?

    Are there precast dome sections that I could buy? I created a quick mock-up of this idea using 4 keystoned arch shapes.

    Also has anyone had any success with kiln bricks? I found these online and they seem like a good option.

    Please see the attached images for examples of what I'm describing. Also If you could please link me to a post/discussion on oven sizes, that would be great. I'm curious to see how big I should make my oven.

    Thank you

  • #2
    Re: Fire Brick Or Concrete?

    I M O unless you use refractory concrete to cast ur oven ..it wont hold up to the intense heat.. there are some here who have cast their ovens.. good luck!
    “Never regret. If it's good, it's wonderful. If it's bad, it's experience.”


    Trellis

    Home Sweet Home~ Colorado Springs ~

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    • #3
      Re: Fire Brick Or Concrete?

      If you want to cast a dome the stuff to use is dense castable refractory. Do not use insulating castable refractory. Also you should use at least 2% stainless steel needles, call ed melt extract fibres.Both of these products can be obtained from a refractory supplier. The stuff is expensive and designed for temperatures about three times greater than you will subject them to. If the price puts you off too much you can use the homebrew mortar, which is really cheap and works pretty well, but don't know how it will hold up after about 5 years of heavy use.

      Regarding the bricks you should make sure they are dense firebricks and not insulating ones. It is easy to tell the difference, the insulators are ridiculously light.

      If you are looking for a precast dome there are plenty available, try FB first.
      Kindled with zeal and fired with passion.

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