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Hairline Cracks - 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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Hairline Cracks

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  • Hairline Cracks

    Help!

    I've read a couple other posts on this topic, but none seem to concern a Forno over. I have a Premio.

    Today upon first firing I got the oven a little over 200 and only wanted to go to 100. Anyway, I see some hairline cracks in the refrax between sectiions and a few very fine hairline cracks in a few places on the actal dome. They are so fine that if I rub my hand over them they fill with dust and seem to disapear.

    The oven has set for at least 10 days since assembly with refrax.

    Oh, I didn't have the insuslating blanket on yet.

    Is this a problem? Is there anything I should do to address the cracks?

  • #2
    Re: Hairline Cracks

    Hairline cracks are pretty common in refractory mortar and you can see them occasionally in the dome. You can do a couple of things.

    First, during your next curing fire, look at the outside of the oven while the fire is going and see if there is any smoke escaping. If the answer is no, then you are fine. If you are getting little wisps of smoke, you can add another later of Refmix to all of the joints. If you have to do that, make sure the oven is fully cool, and make sure that the joints where you are apply the new Refmix is wet before you layer on the mortar.

    Either way, you are fine!

    One last thing. I am attaching the curing instructions to this posting. It is important that you follow them.

    Enjoy the cooking; it's right around the corner!
    James
    Attached Files
    Pizza Ovens
    Outdoor Fireplaces

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    • #3
      Re: Hairline Cracks

      Thanks James. Now I'm not depressed!

      I assume that since I only heated the oven for an hour I didn't really start the curring process and will start tomorrow as if from the beginning and attempt to maintain 300 degrees for as long as possible.

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      • #4
        Re: Hairline Cracks

        Definitely not depressed! You are a handful of days away from pizza and only a couple of days from roasting your first chicken.

        You are going to be amazed.
        James
        Pizza Ovens
        Outdoor Fireplaces

        Comment


        • #5
          Re: Hairline Cracks

          James,

          If I reapply refrax over the cracks on the joints, should I restart the curing process, or just heat it slowly and bring the temp back up to 500-600 and proceed from there?

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