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Premio 2G Build - 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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  • Premio 2G Build

    Hello,
    A few questions.
    1) After application of the 4" of insulation is it necessary or advisable to 'stucco' the exterior dome if the oven will eventually enclosed in a Gabled house type design?
    2) If the gabled enclosure is going to be built should the chimney be a 2 walled insulated type?
    3) Should Hardibacker also be used on the roof?
    4) How long should you wait following assembly and mortar application before proceeding to the application of insulation and stucco if desired ?
    5) Vermiculite insulation if the gable approach is used is it just applied loosely over the dome insulation ? Is this overkill for this oven ?

    Thanks in advance for your insight !
    Peter

  • #2
    Re: Premio 2G Build

    Hi Dochop,

    1) You don't have to use stucco, some people once they tie down the blankets they use vermiculite however its very important that the house you are building be water proof.

    2) Since you are using metal studs to build the house the doubled walled chimney is not necessary.

    3) Yes you would use the hardibacker board.

    4) Just enough time for the mortar to dry maybe 24 hours.

    5) For insulation it is over kill, however if you are doing it to hold down your blankets in the gable house, it is what most people do.

    Let me know if you have any other questions you can always reach me at 1-800-407-5119 ext14.

    Thanks,
    Heidi
    '

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    • #3
      Re: Premio 2G Build

      Heidi,
      Thanks for your prompt reply. How do I seal the chimney/roof interface as it seems to me to be an entry point for moisture ? I plan to use a metal roof.

      Peter

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      • #4
        Re: Premio 2G Build

        Hey Peter, last weekend I bought some fireproof and heat resistant caulk at Lowe's to do what you are describing. I bought it based on a phone call I had with a fireplace expert who recommended it. However, after I bought it, I noticed on the label that it's water soluble, which concerns me.

        I haven't applied it yet to know how well it works. I'll be interested to see what other responses you get as there are more expert opinions on this site than mine.

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        • #5
          Re: Premio 2G Build

          M1....probably water soluble prior to set I guess my concern is for a watertight enclosure especially since the insulation is exposed. Where are you in your build?
          Peter

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          • #6
            Re: Premio 2G Build

            Below is a pic of where I was at as of early July. Since then I've mortared the joints between the hardiboard and installed the soffits, but I haven't yet begun the finish work.

            I've hesitated to secure and seal the chimney at the point it exits the hardiboard. . . I've got the same question you do as to the best way. The rain cover on the chimney will reduce the amount of water the seam is exposed to and I think the caulk will work for a few years, but I'm worried about how it will hold up long-term. Hopefully others chime in with a thumbs up that this will work or a better approach.

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            • #7
              Re: Premio 2G Build

              M1'
              Awesome job. I see you have not yet installed the metal roof....how do u keep the oven dry? How did you navigate the curing process ?
              Thanks,
              Peter

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