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Upper Valley Of NH 42" Oven Build - 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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Upper Valley Of NH 42" Oven Build

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  • Upper Valley Of NH 42" Oven Build

    Well it has begun. Got the hole dug for the pad, concrete arrives on Monday, first load of blocks for the stand are here, got a chance to mock up the stand to see how the height, and placement is going to work. Now the next big thing to figure out is where I am going to source fire bricks from the local dealer only seems to have low duty bricks.

    Site Prep


    Breaking Ground


    Stand Mock up


    Masons in training
    Patrick

    "It is never to late for a happy childhood"
    -Robin Williams

  • #2
    Re: Upper Valley Of NH 42" Oven Build

    Low duty firebricks, the standard fireplace firebrick, will work fine. It's what most of us used. Higher duty firebricks are made for furnaces, kilns and the like, where there is continuous high temperature use.

    Looking great so far.
    My geodesic oven project: part 1, part 2

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    • #3
      Re: Upper Valley Of NH 42" Oven Build

      Pad got poured today. Looks like I could have done a little better on the surface finish of the pad. Oh well most of it will be covered anyway. It is surprising how fast it has set up.

      The driver thought I did a good job on the prep work, so I just need to learn a little more before I pour the hearth.

      Next up is the stand, how have people taken off the 3/8" angle iron over the opening of the stand? I have a saws all but that seems a little rough for that. My other thought was to morter in the top row of the stand.

      Dmun thanks for the comments, I now see where it has been stated that low duty will be okay. However I didn't see a really good explination of the trades off for going with low duty, what are the implications of going with the low duty bricks?

      Thanks in advance
      Patrick

      "It is never to late for a happy childhood"
      -Robin Williams

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      • #4
        Re: Upper Valley Of NH 42" Oven Build

        As you go up the firebrick duty scale, the bricks have a higher alumina/silica ratio are harder, and slightly heavier. The biggest difference most builders would recognize is that the higher duty bricks are harder to cut on the wet saw. Low duty bricks cut like butter.

        I've not seen any reliable data on durability / cooking properties. Anyone?
        My geodesic oven project: part 1, part 2

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        • #5
          Re: Upper Valley Of NH 42" Oven Build

          Do you have an update? Thanks

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          • #6
            Re: Upper Valley Of NH 42" Oven Build

            Well the day after I pored the foundation, I got laid off. So my available labor went way up, but my materials budget took a hit. So far I got the stand built and the cores filled, next up is the form for the hearth and then the hearth pour. I have been dithering back and forth (read procrastinating on a decision) over having a commercial company come in and pour the hearth, and just mixing the concrete myself. The only pro for doing it myself is I save about 100 bucks, however the cons are that it will probably take me most of the day to mix it by hand so the first bags poured will have already set by the time I pour the last bags. So my guess is that it will be difficult to get a good surface finish to the hearth, and I think that may lead to problems as I start to build the rest of the oven.

            Thanks for asking about this, I will get so photos of the stand up later this week.
            Patrick

            "It is never to late for a happy childhood"
            -Robin Williams

            Comment


            • #7
              Re: Upper Valley Of NH 42" Oven Build

              "Next up is the stand, how have people taken off the 3/8" angle iron over the opening of the stand? "

              Skip the angle iron. Just put a couple of extra rebar in the front edge of your suspended slab.

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