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Extensive cracks inside dome of Forno Bravo Primavera oven - 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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Dome Installation Video - Casa / Premio / Modena


For many of you who bought a modular oven, you may have asked how we put the domes together when we build them. For those of you considering one of our ovens, we shot a video to make your install easier.

Check it out on our You Tube Channel.


If the link doesn't work, simply go to You Tube and type Forno Bravo Channel. The video title is How to Set your Forno Bravo Oven Dome Pieces.

Thanks for participating in our Forum. We will have more video content available soon.
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Extensive cracks inside dome of Forno Bravo Primavera oven

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  • Extensive cracks inside dome of Forno Bravo Primavera oven

    I've had my Forno Bravo Primavera oven for about two months, and I've noticed, that there are some extensive cracks inside the dome, look at the photos attached. I've curred the oven according to the instructions. Are these cracks harmfull?


  • #2
    Re: Extensive cracks inside dome of Forno Bravo Primavera oven

    I'm having same issue... can someone please reply?


    • #3
      Re: Extensive cracks inside dome of Forno Bravo Primavera oven

      The impression I get just from reading around the forums awhile is that those cracks are on the side of "nothing to see here, move along." There are a lot of old threads where you can gauge the progress of a new oven by when the user starts to post about the cracks they're getting.

      Somebody, feel free to correct me if I'm wrong. I have quite a few of those cracks and nothing has happened... yet.


      • #4
        Re: Extensive cracks inside dome of Forno Bravo Primavera oven

        All large cast refractory oven pieces are prone to developing minor cracks as the temperature rise and fall is uneven, resulting in uneven expansion of the material. The cracks will probably never get much worse and do not pose problems with the oven collapsing. There also appear to be quite a number of large voids on the surface which means there are likely to be similar voids in the middle of the walls. This is usually caused by insufficient vibration during manufacture.You should really address your problems to your supplier rather than seeking opinion via the forum.
        Kindled with zeal and fired with passion.


        • #5
          Re: Extensive cracks inside dome of Forno Bravo Primavera oven

          I also have a refactory cast oven, although not a Forno oven. I too have cracks on the inside of my dome...both on the side and a couple on the roof, roughly the same size as yours. I asked my supplier about these and like he told me, concrete needs to expand, and as long as they are not too big, and you never get heat or smoke loss through the outer shell...you should be good. My dome is reinforced with steel so I know the dome wont fail, not sure about the forno ovens...but I think your safe.

          Hope this helps