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Fire and Cracks - Forno Bravo Forum: The Wood-Fired Oven Community



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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Fire and Cracks

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  • Fire and Cracks

    I can see the glow of fire in a small crack about 1/16" wide and about 3 inches long. I hit 700 degrees yesterday on my curing schedule and the crack appeared. The entire thin crack goes from top to bottom. The insulating blanket shows signs of smoke. My home brew mortar was about 1/4" where the crack appeared. I am not concerned about structure issues. The tapered bricks, dry fit test would keep the dome structurally sound. So, should I mix up a batch of home brew and increase the thickness on the dome to address the crack?. Will the crack reappear with the addition of mortar?

  • #2
    Re: Fire and Cracks

    Don't bother to patch the cracks - they will most likely reappear. For the record, I have seen a crack 5/8 inch wide and the oven performed just fine.
    Check out my pictures here:

    If at first you don't succeed... Skydiving isn't for you.


    • #3
      Re: Fire and Cracks

      Thanks. I was planning a 800 degree cure tonight. I also planned to use the heat to cook my first pizza. Only hit 700 but the pizza was still good. Afterwards, I checked the crack and it was smaller and I could not see the glow of fire from the inside. Expecting a lot of rain the next couple of days. Time to cover and protect.


      • #4
        Re: Fire and Cracks

        A picture is worth a thousand words. I can see the glow of fire in a section of this crack.


        • #5
          Re: Fire and Cracks

          I have added 4" of ceramic blanket insulation. Here is my theory on how I got the cracks. I followed the slow cure/dry cycle. The dome hit 800+ degrees twice. I wanted pizza. On the 3rd firing I moved the fire to the side. The side and dome cleared. During curing the dome slowly hit 800+ degrees. The side only hit 275-300 degrees. Moving the coals/fire to the side was too much....which created the cracks. I used the oven on Christmas for both Pizza and turkey. Both were great and the oven gets better with each firing.