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South Jersey Pompeii Oven - Am I Doing This Right?

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  • #46
    If you think there is any possibility you might put up a roof/cover some time in the future you might want to consider going double wall. You can get it much closer to any wood structure than single wall and if you really want do to do multi-day cooking you won't have rain or snow ruining your plans.
    My build thread
    http://www.fornobravo.com/community/...h-corner-build

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    • #47
      I'm all in for covering an oven to extend the number of days per year that it can be comfortably operated. That said, double wall creates a milder heat transition where the stucco/mortar or other masonry meets the pipe. I have seen double wall sections (ss inner/ galv. outside) as short as 12". You could go with the single wall above that for the time being. If a cover was ever in the future, you could easily transition back to double wall to get through the roof.
      Joe Watson, "A year from now, you will have wished that you had started today"
      My Build
      My Web Album

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      • #48
        Starting the drying today. Still gotta work on the outer arch and flue. But I thought I should update. Check the last few images from my gallery
        Visual Status Report: https://photos.app.goo.gl/oyuh2hy7Lc3z3vG1A

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        • #49
          Updated pictures. I've had a 500w halogen work lamp in there for the past 3 days, so it's pretty dry and toasty. Starting to really think about the flue gallery, and I'm gonna pull the trigger today on the 8" base and a 3' double wall chimney. The price is gonna hurt, but it's all in the name of proper pizza, right?

          Working out the details of the heat break too. I can't find local fire rope anywhere, and I have plenty of left over FB, so I'm thinking about just cutting that into 1" squares and squeezing it in between the dome and flue gallery, then cover it with a thin layer of mortar. Seems reasonable at least in my head. Any objections?
          Visual Status Report: https://photos.app.goo.gl/oyuh2hy7Lc3z3vG1A

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          • #50
            Speaking of heat break, it just dawned on me after looking at some other posts, I have my outer refractory mortar going over and covering my FB and touching the concrete base. Should I think about getting a grinder out and cutting that away and filling that gap with vermiculited concrete?
            Visual Status Report: https://photos.app.goo.gl/oyuh2hy7Lc3z3vG1A

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            • #51
              Originally posted by mintee View Post
              Updated pictures. I've had a 500w halogen work lamp in there for the past 3 days, so it's pretty dry and toasty. Starting to really think about the flue gallery, and I'm gonna pull the trigger today on the 8" base and a 3' double wall chimney. The price is gonna hurt, but it's all in the name of proper pizza, right?

              Working out the details of the heat break too. I can't find local fire rope anywhere, and I have plenty of left over FB, so I'm thinking about just cutting that into 1" squares and squeezing it in between the dome and flue gallery, then cover it with a thin layer of mortar. Seems reasonable at least in my head. Any objections?
              I got my rope from a local chimney/fireplace installation company. When they asked me what I was doing they offered me a job on the spot!

              Are you using blanket insulation around your dome? If so, it might be a little easier to stuff scraps of that into a heat break than the board.
              - seth s.

              my build (in progress)

              Google Photo Album: https://photos.app.goo.gl/k4JW8jut8cWxFpjM9

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              • #52
                Originally posted by slschoming View Post

                Are you using blanket insulation around your dome? If so, it might be a little easier to stuff scraps of that into a heat break than the board.
                Yeah, that's what I meant, but after noticing that fire rope is so cheap, I'm just gonna order some. I figured it was gonna be crazy expensive like the FB and blanket, but I found it online for <$25 per 10'.

                In regards to the chimney, I think I've decided to go clay flue liner as a temporary solution until next spring, when I start to build the gabled house around it.

                Visual Status Report: https://photos.app.goo.gl/oyuh2hy7Lc3z3vG1A

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                • #53
                  Originally posted by mintee View Post

                  In regards to the chimney, I think I've decided to go clay flue liner as a temporary solution until next spring, when I start to build the gabled house around it.
                  I think I may convert to a duratech double wall when I build my patio cover if I feel like I can stomach the cost next spring.. Thinking it will be similar to JRPizza's found here.. The only difference is that my transition will start a little higher since I will already have 2 feet of brick chimney.

                  - seth s.

                  my build (in progress)

                  Google Photo Album: https://photos.app.goo.gl/k4JW8jut8cWxFpjM9

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                  • #54
                    Yeah, I'm going to build a gabled house around mine next year, so I can toss the duratech in on that construction build. I love the huge cover over JR's, and man, is that chimney made of 2 x 4' sections? Wonder how much draw there is with that length.

                    I'm not sure how/if I'll be making a cover like that anytime soon.
                    Visual Status Report: https://photos.app.goo.gl/oyuh2hy7Lc3z3vG1A

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                    • #55
                      Those are two 36" sections, and they draw very well I know our cover looks big, but we actually could have made it bigger. When it is raining, which it does often here in the PNW, dry space is at a premium. We also covered two of the side walls with the twinwall plastic they use in greenhouses. We get most of our wind/rain from the South and West, so no matter how hard it blows the oven and hearth stay dry.
                      My build thread
                      http://www.fornobravo.com/community/...h-corner-build

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