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mix between floor insulation and floor bricks - 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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mix between floor insulation and floor bricks

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  • mix between floor insulation and floor bricks

    Hi All
    At the risk of asking a very stupid question: I note in all plans I read that the fireclay mix between the floor layers (vermiculite & bricks) should be dry. Yet being an outside installation, wont the first rain wet the lot anyway? Why not mix wet from scratch like floor tiles?
    Reason I want it wet is to set hard before I start the dome. Since the dome in my case will be on the floor, I fear that the weight may push down on the outers of some bricks and thereby slightly lifting on the inside creating peel catching ridges?

    Thanks for your patience :-)
    Dolf

  • #2
    Re: mix between floor insulation and floor bricks

    I read "dry" to mean a little bit of moisture to start the cement curing process, but not wet like a pouring mortar/conctrete.
    Why oh Why Did I stumble across this forum- its going to be expensive

    Steve

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    • #3
      Re: mix between floor insulation and floor bricks

      I believe the recommended mix is sand and fireclay 50/50 wet or dry. You are correct in assuming that it could turn into mud if it got sufficiently wet. It can be made more permanent with the addition of lime, however I think the idea is that it doesn't become too permanent so that floor bricks can be easily replaced if required.
      Kindled with zeal and fired with passion.

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      • #4
        Re: mix between floor insulation and floor bricks

        It's just a leveling medium: it doesn't get hard like mortar. It will get wet during your construction project, in fact once you get the floor the way you want it, you're supposed to wet the floor to solidify the loose sand/fireclay mixture. In the long run, the inside of your oven will stay dry. You don't want the oven to get wet or it will take forever to heat up.
        My geodesic oven project: part 1, part 2

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