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Cracking my oven on curing fires - Forno Bravo Forum: The Wood-Fired Oven Community

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I'm Peter Reinhart! Ask Me Anything! Monday, February 15, 2016 7:00-8:00 pm EST

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.

Ask Me Anything New Forum Feature

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.

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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Cracking my oven on curing fires

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  • Cracking my oven on curing fires

    Hoping this post makes it through! I built a small oven, approximately 24" ID. According to FB instructions for a pizza oven, the fire brick and layer of refractory mortar would be sufficient for thermal mass. Going through the serial fires to cure the oven, cracks did develop. On fire #6 and 7, a crack developed on the back side of the vent that progressed across the top of the dome. Last night I fired it to see how the oven would handle a cooking fire and got the oven white hot, however this crack opened up to about 3/8" and I noticed one of my floor bricks moving laterally as if it were moving with the wall upon expansion with the heat. My front vent arch has two cracks and the bricks shift with the heat. Initially, I considered repairing the crack with gasket cement and adding more thermal mass, however now I am leaning toward rebuilding the entire oven.
    In one photo showing the side of the oven, I am assuming water is being driven out of the cracks as small areas look wet. The front of the oven just shows the crack and how it runs up the dome. This is all pretty disappointing.
    I hope this post gets through as I am unable to locate the first post with the same questions. Any advice would be appreciated on the oven and finding my original post would be great.

    Thanks
    Matthew
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