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my 1st oven, done! - Forno Bravo Forum: The Wood-Fired Oven Community



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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.
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- 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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my 1st oven, done!

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  • my 1st oven, done!

    Hi ALL!

    yesterday I was finally able to create my 1st oven!!! An oven in ONE DAY ???

    YES.. Basically a close copy of @thepizzahacker `FrankenWeber` but done with fire clay, silver sand and perlite on a 22"... It took me ~6 hours (but now I could repeat that in 3) and only costed 30$!

    (I have leftovers for at least another one..)

    Will it work? Will it hold? We will know this week!

    I will post some pictures later today!

    Question: I've been told over and over that I would need 'castable' cement ($$$) for the dome, but clay worked just fine (so far..): why castable? The clay mix worked just fine: a two inch layer adhered just perfectly inside the weber cover and I was able to build a 'neck' with just one piece of cardboard!

    I really hope I did not $crew up the mix!
    Born in Italy, making pizza in San Diego

  • #2
    Re: my 1st oven, done!

    Originally posted by mekdigital View Post
    The clay mix worked just fine: a two inch layer adhered just perfectly inside the weber cover
    Wont it just shrink and fall off?
    The English language was invented by people who couldnt spell.

    My Build.



    • #3
      Re: my 1st oven, done!


      at the moment it's all still there, getting dry... I will find out when I try to get the dome out of the mold! But the `neck`, for example, was able to stand two inches above the cardboard support... we'll see!
      Born in Italy, making pizza in San Diego


      • #4
        Re: my 1st oven, done!

        here we go! https://www.facebook.com/media/set/f...8&l=e24098d423

        it seems very solid after 24 hours, but still really wet.. I am going to lite some charcoal to help the drying process now!

        I know, it does not look really right, but I'm almost sure I can fix it and I am more than sure I can try again!
        Born in Italy, making pizza in San Diego


        • #5
          Re: my 1st oven, done!

          Hello mekdigital,

          Wow, very interesting idea to build your own Frankenweber.

          Please share some information with us:

          What is silver sand?

          What kind of clay is it? It is an unusual color. Local fire clay is all gray. It is called "masonry clay".

          What proportions of each ingredient did you use?

          Where did you get your materials?

          Here is something I learned about clay, it shrinks. The addition of sand and perlite moderate the amount of shrinkage though. Clay is not water resistant.

          Here is something I learned about castable refractory concrete. I bought a 50lb bag for $40. Your dome would need more than one bag and it would be very heavy. Castable refractory concrete is different than insulating castable refractory.

          Best of luck with your new ovens.


          Here is the link to my oven number 1 construction photos!

          Here is the link to my oven number 2 construction photos!


          • #6
            Re: my 1st oven, done!

            Hi all!

            we had a oops this morning and I'll have to start all over again

            There is clearly something wrong with the proportions, either too much sand or too much water (in this case me being impatient!), the `neck` started crumbling when I took it out of the grill... I was able to take the dome out of the cast and that is actually keeping its shape on the ground.. I'll leave it there for a week to see if it can get really solid!

            So what I used:

            Silver Sand #20 (I guess it's coarse construction sand) 100lb, 6$
            Arizona (?) Fire Clay 50lb, 7$
            Miracle Grow Perlite ?lb, 5$

            The dome was a mix of 3:2 sand/clay and a random amount of perlite;
            I did not use perlite for the wall.

            Now I have a new idea, let me sketch it out and I'll post it.
            Born in Italy, making pizza in San Diego