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Oven Chimney - 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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Oven Chimney

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  • Oven Chimney

    Hey Folks,
    I have read all the info in the Pompeii oven plans numerous times as well as a heap of stuff in the forums. I am still trying to get my mind around the chimney for a WFO. I can see how the opening is built at the entrance to the oven and how the flu is attached at this point, using either the Dura Vent system or a refractory liner. I am trying to figure out how to insulate this liner when building a housing around the oven. Building codes require masonry surrounding this liner. If using the typical block designed for the usual fireplace chimney, the weight sitting on the arch increases dramatically with increased height. Even building a surround out of brick gets heavy real quick. Can you just wrap the liner with ceramic insulation instead of masonry? I will still need to get the liner thru the roof of the enclosure somehow.
    I have looked thru the photo gallery and have been unable to find the answers I am looking for. I will go back thru them again to see if I missed something. Does anyone understand my question or have I become a babbling idiot??


    George Stein

  • #2
    Re: Oven Chimney

    I don't have my chimney through a roof, but I did use a duravent double wall insulated chimney for my oven. It doesn't get above warm temperature on the outside. If your code requires masonry, though, just wrapping it won't meet code. (even though it would probably be fine for temperature)

    I'm not sure you need masonry if it's just a separate enclosure you're talking about, though. I don't think all of the people who have a separate enclosure, not attached to the house, have done so. But if you're doing an enclosure, you have the ability to add extra brick/block on the sides (behind the front wall) to take on any added weight.

    Dmun has quite a tall chimney attached to his build. Look at his thread. But it's part of a house, so he had to do it that way. Check out Ken's enclosure, My old kentucky dome. His chimney, a duravent, I believe, doesn't have masonry other than the arch and vent area.



    • #3
      Re: Oven Chimney

      Hi Elizabeth,

      Thanx for the reply...Glad to see another Virginian ! !

      I went back over all the pics of chimneys and vents again and think I found a couple of ideas.... I will just do a bit of extra strengthening and build the covering for the flue out of brick.