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oven floor question - Forno Bravo Forum: The Wood-Fired Oven Community

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New Forno Bravo Forum Feature

Forno Bravo Forum Community,

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.

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.

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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oven floor question

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  • oven floor question

    my question is... are firebricks the only option for the oven floor? could 1 1/4" granite slab work? the reason i ask is i work for a company that owns a granite yard and was thinking about using scrap pieces if possible. i dont plan on building my oven this year, but you never know what can happen tomorrow and it's never too early to start squirreling away supplies when i can get them for free.

  • #2
    Re: oven floor question

    I have heard of oven builders using soapstone but not granite...seems a rather mundane spot for a nice piece of stone...not to mention potential hot spots that would make cooking even more of an adventure than these ovens can be...might be better to save that nice stone for someplace visible...the additional cost of the firebrick for the floor is really quite minimal in the grand scheme...and would keep the oven more uniform...IMHO
    Dutch
    "Making the simple complicated is commonplace; making the complicated simple, awesomely simple, that's creativity. " Charles Mingus
    "Build at least two brick ovens...one to make all the mistakes on and the other to be just like you dreamed of!" Dutch

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    • #3
      Re: oven floor question

      Natural stone can have natural inclusions that expand and contract differently to the material around it. They can crack when heated. This is different for each piece of granite. Also Granite has a low thermal conductivity….slow to absorb heat. So using granite may be cheap in materials, but I suspect you would experience more cracking than normal and your oven would require a lot of wood to get going. Granite is also very porous which may or may not be a problem. Overall, an engineered product will give better performance. Since you are starting early, keep your eyes open for used firebrick. I picked up 450 of them for $50. Well worth the wait.

      Bruce

      You could always send the granite to me for the outside of my oven
      Last edited by brokencookie; 03-23-2008, 01:46 AM.
      Sharpei Diem.....Seize the wrinkle dog

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      • #4
        Re: oven floor question

        thanks for the reply! i wasnt sure of the properties, but thought it was a cool idea if it would've worked. i currently use a piece of travertine in my conventional oven to cook my pizzas and it works great but eventually cracks. i just thought the thickness may have played into it. oh well... as i said work in the tile/granite industry. im sure ill be able to come across some bricks, cinder blocks over the course of the next year and will then just buy the remaining items needed

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        • #5
          Re: oven floor question

          Since you work in a stoneyard, you know what flame finishing is: applying intense heat to the surface of the granite to make it chip off for a rustic look. I think building a fire directly on the granite might have the same effect.

          Granite chips may not be a good pizza ingredient.
          My geodesic oven project: part 1, part 2

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