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Minimum Door Dimensions - Forno Bravo Forum: The Wood-Fired Oven Community

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Minimum Door Dimensions

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  • Minimum Door Dimensions

    Hey Everyone,

    New to the site and getting started on an interesting build where i am including the WFO as part of a larger fireplace for an outdoor kitchen. As a result of the oven being part of the main fireplace and where it is being built, i am restricted on the depth of the fireplace - looks like the largest oven i will get in the space i have is 28"-30" internal diameter.

    With all that being said, trying to determine a couple of things:

    1. will an oven this size still be functional and practical or will i be disappointed with it once i try to use it?

    2. what is the minimum door height that you would recommend? I am considering increasing the height of the dome by soldiering the first course of brick for the dome in the 4.5" direction, then building the dome from there, but rather than setting my radius from the oven floor, perhaps elevating the bottom of the radius by a couple inches. I'm thinking that this would then give me a bit of extra height to play with when calculating my 63% for the door height. Has anyone else ever done this? Thoughts on how it might affect the performance of the oven?

    3. Is there any ratio for the door width to the size of the oven? I realize that i don't want to make the opening too wide or it will be hard to maintain temp, but don't want to get it to narrow that it's difficult to make a fire or cook in. Thoughts?

    Right now i am thinking that if i have a 28" internal diameter, with a dome height of 16", i would make the door 16" wide x 11" high (at the tallest point of the arch). Any feedback/suggestions that any of you have would be greatly appreciated.

    Thanks,
    Alan

  • #2
    Re: Minimum Door Dimensions

    Originally posted by aharlow View Post
    Hey Everyone,

    New to the site and getting started on an interesting build where i am including the WFO as part of a larger fireplace for an outdoor kitchen. As a result of the oven being part of the main fireplace and where it is being built, i am restricted on the depth of the fireplace - looks like the largest oven i will get in the space i have is 28"-30" internal diameter.

    With all that being said, trying to determine a couple of things:

    1. will an oven this size still be functional and practical or will i be disappointed with it once i try to use it?

    2. what is the minimum door height that you would recommend? I am considering increasing the height of the dome by soldiering the first course of brick for the dome in the 4.5" direction, then building the dome from there, but rather than setting my radius from the oven floor, perhaps elevating the bottom of the radius by a couple inches. I'm thinking that this would then give me a bit of extra height to play with when calculating my 63% for the door height. Has anyone else ever done this? Thoughts on how it might affect the performance of the oven?

    Lee: Have heard it talked about....Don't know if anyone has reported back about how it worked out.

    3. Is there any ratio for the door width to the size of the oven? I realize that i don't want to make the opening too wide or it will be hard to maintain temp, but don't want to get it to narrow that it's difficult to make a fire or cook in. Thoughts?

    Right now i am thinking that if i have a 28" internal diameter, with a dome height of 16", i would make the door 16" wide x 11" high (at the tallest point of the arch). Any feedback/suggestions that any of you have would be greatly appreciated.

    Thanks,
    Alan
    Welcome Alan

    The smallest oven I've read about here is 21 inches, and they are happy with it.

    You are in the ball park with those opening sizes, but you may want to read this.to be sure.

    Have read about making a higher dome as you describe, but have not heard anyone report back about it or how it worked out.

    My advice for getting used to the information on this site is here.

    Good luck
    Last edited by Lburou; 01-20-2011, 08:09 AM.
    Lee B.
    DFW area, Texas, USA

    If you are thinking about building a brick oven, my advice is Here.
    Our One Meter Pompeii Oven album is here.
    An album showing our Thermal Breaks is Here.

    I try to learn from my mistakes, and from yours when you give me a heads up.

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    • #3
      Re: Minimum Door Dimensions

      My old oven that I am about to knock down and rebuild has an oven door 480mm wide x 300mm high, the door seems to be a tad too low.

      The new all improved oven's door will be 480mm wide x 400mm high.

      I worked on the door size first which then determined the internal flue opening height.

      Im going to build a hybrid barrel type with a low arched roof, just to be different.
      Last edited by brickie in oz; 01-19-2011, 10:06 PM.
      The English language was invented by people who couldnt spell.

      My Build.

      Books.

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      • #4
        Re: Minimum Door Dimensions

        The 63% door height to dome height is critical while firing. You could design in a removable cast iron lintel / header to give more height while cooking.

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        • #5
          Re: Minimum Door Dimensions

          Thank you for your suggestions... i've been doing some more reading on the site and have found some very helpful information. If anyone else has any suggestions, please keep them coming. Thanks again...

          Alan

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