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Checking for cracks - Forno Bravo Forum: The Wood-Fired Oven Community

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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.
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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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Checking for cracks

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  • Checking for cracks

    How often during the curing stage should I remove my FB Blanket and check for cracks? If ever? And if I do find a crack do I fill it and proceed? Fill it and wait another week before curing?

    I couldn't find anything in the instructions on this but I thought I read somewhere that you should pull the blanket every so often, just don't remember how often. I don't particularly like working with the blanket so the less I have to the better.

    -Shay
    Shay - Centerville, MN

    My Outdoor Kitchen/Pompeii WFO Build...

  • #2
    Re: Checking for cracks

    Shay,

    You will get, at the very least, some hairline cracks visible inside the dome. This is due to the thermal expansion/contraction of the structure. When you see a few of these, don't sweat it and keep on curing.

    Even dome cracks a little wider than hairline aren't worth repairing (the repair will likely crack). The blanket over the cracks will keep the heat where it belongs.

    I never checked under my blanket during curing. If the inside of your dome looks good, leave it be.

    If and when you see your cracks, feel free to proudly show us some pictures .

    There's no worse feeling than seeing your first crack. We'll cheer you up and get you pumped for pizza.
    Ken H. - Kentucky
    42" Pompeii

    Pompeii Oven Construction Video Updated!

    Oven Thread ... Enclosure Thread
    Cost Spreadsheet ... Picasa Web Album

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    • #3
      Re: Checking for cracks

      Originally posted by Ken524 View Post

      There's no worse feeling than seeing your first crack.
      Agreed - I must have lost some weight this summer busting butt in the Nevada heat. I was walking around this morning with my tool belt on when I realized my shorts and under-ware were sitting on the south side. Thank god I was in the backyard.
      Check out my pictures here:
      http://www.fornobravo.com/forum/f8/les-build-4207.html

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

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      • #4
        Re: Checking for cracks

        Uh Les, I think Ken was talking about a crack in the pizza oven.. not uh.. well.. yeah..
        Shay - Centerville, MN

        My Outdoor Kitchen/Pompeii WFO Build...

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        • #5
          Re: Checking for cracks

          Shay - it was a bad attempt at a joke (but true) , sorry. EVERYONE that sees a crack has concerns - I did myself. As Ken mentioned, it usually is not an issue. I have seen an oven that had a 5/8 crack (on the outside) and it performed great. The ceramic blanket will hide a multitude of sins. If you don't see anything crazy on the inside of the dome, I would not sweat it.

          Les...
          Check out my pictures here:
          http://www.fornobravo.com/forum/f8/les-build-4207.html

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

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          • #6
            Re: Checking for cracks

            I know that! It's called 'sarcasm'..

            I'll be watching the inside only then.. thanks for the help guys. Can't wait to post pics of the first pizza later this week!!!
            Shay - Centerville, MN

            My Outdoor Kitchen/Pompeii WFO Build...

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            • #7
              Re: Checking for cracks

              I found that it was quite dificult to see cracks on the inside while curing because it was all black. everynow and then I could see a slight white line/mark but couldn't tell whether it was a crack or just a clean spot the smoke hadn't got too yet. It wasn't until I cleared the dome that you are able to clearly see the cracks.

              I havn't lifted my blanket yet but will do sometime before i add more layers and I proably will slap a little mortar on the cracks if there are any balck marks on the blanket. Then close her up for good.
              Real men cook with fire
              My Oven and Fireplace Build

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