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Expantion - 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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Expantion

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  • Expantion

    I want to pour vermiculite concrete between my oven dome and the brick housing wall. The vermiculite concrete will fill the sides and be poured over the top of the dome. Then I want to lay brick over the top of the dome. I built a 32'' oven will it expand enough to damage the outside brick housing?

  • #2
    Re: Expantion

    The vermiculite should expand at more or less the same rate as the exterior masonry. The interior brick dome will expand more than either of the exterior layers. The cured vermiculte concrete is fairly rigid: I used a one inch refractory blanket between the dome and vermiculite partly because it's more compressable, and might relieve expansion stresses between the two rigid layers. On the other hand, many makers have used the vermiculite concrete by it's self without difficulty.
    My geodesic oven project: part 1, part 2

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