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hello again all - size and mortar question? - Forno Bravo Forum: The Wood-Fired Oven Community

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hello again all - size and mortar question?

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  • hello again all - size and mortar question?

    hello again, i have two questions if you ladies and gents don't mind? first, im starting on the dome tomorrow. my oven is 39 inches.. well, any idea what the opening should be? i was going with 19" long and 12" high.

    and secondly, should i mix the Calcium Aluminate fire clay mortar? OR The portland cement fireclay mortar.....? i wasnt sure. i want it to last but i read that Calcium aluminate is not easy to work with ??? any help would be much appreciated !!! - Leo

  • #2
    Re: hello again all - size and mortar question?

    My understanding is that the calcium aluminate mortar is quite difficult to master using. The portland/lime/fireclay and sand mixture is easy to work with- I used it and heatstop both. I wouldn't hesitate to use it again.
    Elizabeth

    http://www.fornobravo.com/forum/f8/e...html#post41545

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    • #3
      Re: hello again all - size and mortar question?

      ok thanks so i found this - what do you think?

      10 : 6 : 2 : 3 – Sand, Fire Clay, Portland cement, and Lime.

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      • #4
        Re: hello again all - size and mortar question?

        I'm pretty sure the ratio is in the FB plans. 1-3-1-1, the three being of sand and one of everything else. That's what I used and that's what I'd stick to.
        Elizabeth

        http://www.fornobravo.com/forum/f8/e...html#post41545

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        • #5
          Re: hello again all - size and mortar question?

          Originally posted by egalecki View Post
          I'm pretty sure the ratio is in the FB plans. 1-3-1-1, the three being of sand and one of everything else. That's what I used and that's what I'd stick to.
          Just had a look and that is defiantly what the FB plans say to use

          Sorry but can't help with the opening size
          Real men cook with fire
          My Oven and Fireplace Build

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          • #6
            Re: hello again all - size and mortar question?

            Your dome height should be 24.5 inches high if you are building the more round/spherical version (non-neopolitan). That number is based on 63 percent of your oven size (39"). A little bit higher or lower won't be a huge issue.

            I can't remember the dimensions for the width. I remember that most of the discussion on width talks about having enough room to get larger pizzas/food (turkey?)/tools in and out without being restricted by the entryway walls. I used 20 inches for my width on my 37 inch dome. That works fine for me. I suggest you re-read the plans and decide for yourself.
            GJBingham
            -----------------------------------
            Everyone makes mistakes. The trick is to make mistakes when nobody is looking.

            -

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