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slope of hearth - Forno Bravo Forum: The Wood-Fired Oven Community



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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slope of hearth

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  • slope of hearth

    Another wierd thing my mason did was build a slight slope to the rear left corner of the dome. He did this because he said it was a traditional addition he learned from watching other ovens built. He said the reason is really for final fire placement. It allows for the ashe and firewood to stay in one place while fireing and cooking. I know there are tools for this now and various guards. Again I questioned this and he just told me to trust him.

  • #2


    Do you have photos? I haven't heard that one, but I'm sure it will work. As they say, it isn't rocket science. Still, I would recommend a symmetrical dome -- if nothing else, you can put the fire on either side.

    Pizza Ovens
    Outdoor Fireplaces


    • #3
      Ill see if I can get one. The dome will still be symetric. He just might have to cut a tiny bit of brick in the front sid of the dome so that it levels itself out from the slope. The opening is between 19 and 20" or I can soldier 2 more bricks and bring the opening in and make it 16". What do you think?
      Im still a little concerned that he opted to use the portland cement mix for mortaring the joints on the hearth floor. I have not seen too many ovens built that way because of the thermal expansion.


      • #4
        Originally posted by stevenki
        Im still a little concerned that he opted to use the portland cement mix for mortaring the joints on the hearth floor.
        i wouldn't worry about that. the worst that can happen is that you'll end up with some cracks which will get filled in by ashes. no big deal.
        my site for our pompeii and tandoor ovens


        • #5
          I think the 19" opening should be OK, as long as the oven size is relatively large (it's the proporation that matters). Our Casa100 has a 39" floor and an 18.5" opening. Some people enjoy having the larger opening for getting food in and out more easily, and the oven should still hold heat well.

          I am guessing the portland-based mortar will crack and start to come out over time, but as Robert says, it will fill up with ash and should be OK. If the gaps are large enough to be a hassle, you could use the oven until the mortar starts to come out naturally, then scrape out enough that you can add a real refractory mortar, which will last longer.

          Pizza Ovens
          Outdoor Fireplaces