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Trying to figure out materials...HELPPPP!!! - 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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Trying to figure out materials...HELPPPP!!!

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  • Trying to figure out materials...HELPPPP!!!



    I have been told by my wife that I need to build her a Pompei Oven, so because of the fact I like living indoors I will obilge her... I am sure what I am going to ask has been asked, and answered, but I can not see going through 4yrs worth of post,so hopefully someone can just give me the answers..

    I am trying to get all material together now so when spring comes I can run with this... If I plan on building a 42" Pompei, How much of the following products do you suggest.. I know that different designs make the numbers differ, but lets assume a overage of 10% , so if I need 10 bags cement say 11, 100 firebrick make it 110...(Any info is greatly appreciated, like where to get the harder stuff,, Vermiculite,Fire Clay,Refactory Mortar) Thank You in Advance...



    How MANY/MUCH?????

    1.Firebricks
    2.Portland Cement(What Kind)
    3.Fire Clay
    4.Vermiculite
    5.Cement Blocks(Type)
    6.Refactory Mortar(What Kind)

  • #2
    Re: Trying to figure out materials...HELPPPP!!!

    Just download the free Pompeii plans from Forno Bravo. A detailed materials list for 36" and 42" ovens appears at the end of the manual.

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    • #3
      Re: Trying to figure out materials...HELPPPP!!!

      Vermiculite can be found at your local hydroponics shop. Fire Bricks, Portland Cement, Cement blocks and refractory mortar can be found at your local brick/mason supply vendor. Unless you have a lot of money to burn seriously consider using the home brew mix that you can find the recipe for in this forum. I made the mistake of buying refractory cement in 10 lb containers. Ended up being one of the most expensive parts of the build. If you go w/the commercial refractory cement, locate someone who can supply you with the 50 lb bags of Heat Stop, which is one of the major brands of refractory cement. You may have to pay shipping for the bigger bags. However, take it from experience, it will be cheaper. While you did not ask about it, you will likely also want to invest in ceramic board and blankets. The board goes under the hearth and the blanket goes over the completed dome. You can either order this material through Forno Bravo or find it locally at a commercial insulation vendor. Buying locally will save you freight.

      You are also going to want to invest in a wet saw w/as big of a blade as you can afford. Harbor Freight has the best price thHoat I have seen on the wet saw. Remember that you are going to have a saw that cuts both cement block and bricks. Having at least a 14" blade is going to make this job easier. Unless you are patient and have a lot of time on your hands, do not be tempted to by a wet saw designed to cut tiles. I did not follow my own advice. I bought the tile saw only to burn it out after cutting the bricks for the hearth. I ended up buying the MK Diamond MX-4 saw. It was a little pricey. However, my stress level went way down knowing that I could now cut any size cement block or brick.

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      • #4
        Re: Trying to figure out materials...HELPPPP!!!

        The other thing you can do is open up a thread that covers the build from start to finish and manually count the bricks per each course. Remember to use this number and divide whole bricks by two since per the FB plans you'll be cutting them in half. (A note pad and pencil helps alot here!) Buy 10% more than your brick (half) total and you'll be pretty close. I would suggest if you buy Heatstop or refmix to buy one 50lb bag at a time and if (depending on your joint size) you run out, grab another bag.

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        • #5
          Re: Trying to figure out materials...HELPPPP!!!

          find it locally at a commercial insulation vendor
          Most likely a specialized refractory dealer. Looking for "insulation" will lead you down all sorts of dead ends.
          My geodesic oven project: part 1, part 2

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          • #6
            Re: Trying to figure out materials...HELPPPP!!!

            Does anyone know where you can get Larger size Refractory Brick(online) or Local for the Cooking floor.. 12x12 or bigger?????? Also I am located in Northern NJ...

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            • #7
              Re: Trying to figure out materials...HELPPPP!!!

              Harbison Walker (ANH refractories)
              868 Elston
              Rahway, NJ 07065

              Has them: I looked into them but they were FAR more expensive than firebrick. Ask for refractory tiles.
              My geodesic oven project: part 1, part 2

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              • #8
                Re: Trying to figure out materials...HELPPPP!!!

                Thank thou for that info. I called they said 12x12x1.5, cost(15.97). Due to the fact that the tile are only 1.5inches, how will this effect oven or temp. Should I compensate for it by pouring thicker layer of Vermicrete, say extra inch..

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                • #9
                  Re: Trying to figure out materials...HELPPPP!!!

                  That's a good question. You need more thermal mass rather than more insulation, if anything. Maybe someone who has used refractory tiles will jump in here.
                  My geodesic oven project: part 1, part 2

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