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Expansion gap between cooking floor and dome - Forno Bravo Forum: The Wood-Fired Oven Community

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Photo Galleries are back! Instructions below.

Dear forum users,
Thank you for your patience with the Photo galleries. We've got your galleries online!
We have finished writing a custom script to migrate the PhotoPlog to vBulletin5’s albums.

Unfortunately V-Bulletin killed the "Photoplogs" in their software upgrade which was unforeseen and we're the first development group to have written a script for getting the galleries back... that said, it took some time to reverse engineer the code and get the albums to move over seamlessly!

Forum users will be able to access their “PhotoPlog” images through their user profile page by clicking on the “Media” tab.
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In order for users to create an album please follow the steps below.
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To create this migration path we used vBulletin5’s default album structure. Unfortunately, it won’t work like the “PhotoPlog” but is an album/gallery component on the forum now.
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Expansion gap between cooking floor and dome

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  • Expansion gap between cooking floor and dome

    Hi there !
    Could anybody tell me what would be the "ideal" gap between the cooking floor and the wall of the dome in a 36" wfo considering, of course, that the dome is outside the cooking floor.
    I'll use 32% firebricks.
    Any advice is welcome !

  • #2
    Re: Expansion gap between cooking floor and dome

    Seriously, no reply ?
    Have you all, guys, built your oven(s) with the dome on the cooking floor ? Didn't any of you built it with the floor inside the dome ?

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    • #3
      Re: Expansion gap between cooking floor and dome

      Give them a chance to wake up and shower before they reply.....

      I built my oven on the floor, why wouldnt you?
      The English language was invented by people who couldnt spell.

      My Build.

      Books.

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      • #4
        Re: Expansion gap between cooking floor and dome

        Well, in the Pompeii Oven Instructions they say that the majority of Italian ovens are built with the floor inside the dome and the main advantage is that it offers better thermal performance.

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        • #5
          Re: Expansion gap between cooking floor and dome

          Originally posted by blaise View Post
          and the main advantage is that it offers better thermal performance.
          I cant see how the thermal performance can differ from either type of build.

          You have to remember that the "plans" are just a guide and a starting point.
          The English language was invented by people who couldnt spell.

          My Build.

          Books.

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          • #6
            Re: Expansion gap between cooking floor and dome

            About 5mm should be plenty. Some builders have used corrugated cardboard which will burn away when you fire the oven.
            Last edited by david s; 04-25-2013, 11:20 AM.
            Kindled with zeal and fired with passion.

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            • #7
              Re: Expansion gap between cooking floor and dome

              It is not properly called an expansion joint nor is one needed. The dome will expand more than the floor due to the greater length involved. It is a construction joint and can be made as tight as you want. I prefer to build on the floor though.

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              • #8
                Re: Expansion gap between cooking floor and dome

                Many thanks for your replies.
                I think I'll build on the floor

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                • #9
                  Re: Expansion gap between cooking floor and dome

                  Either way, neither way helps an oven perform any better. Good luck with your build
                  Old World Stone & Garden

                  Current WFO build - Dry Stone Base & Gothic Vault

                  When we build, let us think that we build for ever.
                  John Ruskin

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