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Making my base - Forno Bravo Forum: The Wood-Fired Oven Community

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Making my base

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  • Making my base

    Hello Forno Bravo Forum Members
    I am thinking of making a brick oven and really need to build a base. The thing is, I want to make the base 52" wide by 64" deep, and 38" high on top of which I will build a 36" brick oven on. I need to make the top of the base flat, and in my plans it says to cast a 2" thick layer of insulating refractory concrete on top of the base and set the firebrick oven floor directly on the insulating refractory concrete. There's is a problem though, I do not know how to create the slab. I can pour concrete, but I cannot shape it as a slab on a 'U' shaped, hollow base. Also, how can make a top layer of Concrete blocks all around so there is a space on the front of the base to store firewood? Sorry, I'm all new to this brick oven building thing. THanks!
    Last edited by JakeRhee; 06-08-2011, 07:29 PM. Reason: Change of plans

  • #2
    Welcome Jake

    Planning ahead is good! Take some time and look around a bit before you start. It sounds like you need to fill some gaps in your oven building education, I sure did!

    Start in the photo gallery and look at some completed ovens and some in the process of completion. The rest of my advice to you is here.

    A 24 inch oven would be one of the smallest I've read about here on fornobravo.com, but still doable.

    Good luck!
    Lee B.
    DFW area, Texas, USA

    If you are thinking about building a brick oven, my advice is Here.
    Our One Meter Pompeii Oven album is here.
    An album showing our Thermal Breaks is Here.

    I try to learn from my mistakes, and from yours when you give me a heads up.

    Comment


    • #3
      Re: Making my base

      Hi JakeRhee,

      There is a lot of valuable information in the free Pompeii oven plans. Also look at my oven links.

      Even with a 24" oven you might consider more insulation under the hearth. You will be dealing with the same temperatures as the largest ovens.

      Do you have room for a 48" x 60" base and top slab? This will allow you to have counter space at the front of the oven.

      Cheers,
      Bob

      Here is the link to my oven number 1 construction photos!

      Here is the link to my oven number 2 construction photos!

      Comment


      • #4
        Re: Making my base

        UPDATE:

        I am now making a 36" Oven. I have as much space as I need and all suggestions are welcome. I really need to get this done over the summer

        Comment


        • #5
          You asked about sourcing materials for your oven

          You should check at your local building center for the firebricks. Masonry supply businesses will have most of what you need. Otherwise look for 'refractory' in the yellow pages for the firebricks, fireclay, ceramic insulation, and rigid insulation for your oven.

          Look carefully at the pompeii oven plans. You will need to be vigilant to choose exactly the right materials for your oven, with an incorrect insulation for instance, your oven won't work that well.
          Lee B.
          DFW area, Texas, USA

          If you are thinking about building a brick oven, my advice is Here.
          Our One Meter Pompeii Oven album is here.
          An album showing our Thermal Breaks is Here.

          I try to learn from my mistakes, and from yours when you give me a heads up.

          Comment


          • #6
            Re: Making my base

            One of your next questions may be the one I'm asking now....
            To achieve a 38" high base (4.5 courses), I need to incorporate the 1/2 height course.
            I'm dry stacking the 8x8x16 blocks which remember are actually 7.625" tall.
            I have 4" high solid blocks that I will use for the 1/2 course.

            The question is "For which course should I use the 4" high blocks?"

            My first thought is to put them down first (on the concrete pad) and then dry-stack the 4 courses. I'll then fill them with concrete.
            Jeff
            My 42-inch build

            Comment


            • #7
              Re: Making my base

              Hello PI,

              I don't think it matters where you put them. I put my 4" blocks at the top because I didn't have enough of them to put down first and had to make a trip to HD to get more after stacking the 8" blocks. If for any reason you might not enclose your base right away then put them in the middle for decorative purposes.......good feng shui. Cover the base later.

              BTW, you can adjust the fractions of an inch of finished height when you do the top slab or hearth support. I used 2" x 8" lumber and leveled the top to get it perfect and at the correct height. The base height was already very close to what I'd planned but the 8" lumber gave me plenty of material to work with for final adjustment of the top.

              Cheers,
              Bob

              Here is the link to my oven number 1 construction photos!

              Here is the link to my oven number 2 construction photos!

              Comment

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