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36" rhode Island build - Forno Bravo Forum: The Wood-Fired Oven Community

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36" rhode Island build

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  • 36" rhode Island build

    Wanted to start my build for a 36" oven this summer, but summer turned into fall and fall was ending quickly. Was able to get the base done and blocks stacked/filled in November. Then in December we had a nice "warm" week and I decided to pour my hearth Slab. Temps were in the 40*s during the day but nights dipped lower so I decided to tent the slab with moving blankets and add some light heat. This worked great! Ran it for an hour and got the temp under and around the slab to stay warm but not hot. Came out late that night and the slab was still above freezing with the blankets holding the heat in nicely. More to come when my photos upload off my phone
    Stacked blocks for base and filled cores with cement Trying to keep heat in the slab. temps were low

  • #2
    Since it is February in Rhode Island, its way to cold to mortar and bricks, so I decided to dry stack and precut as much as possible in my basement then number and reassemble outdoors as soon as the weather breaks for spring. I ended up making a false brick from some scrap wood and keyed off of that. My IT tool is similar design used by many with an old door hinge and stud welded to the bottom half, I used a turnbuckle in it to make any length adjustments. Cut my floor bricks simple enough and then cut my soldiers, ended up cutting and angle on them to slight tip them inward and reduce any shim needed. Second course I made a jig and tried to make 2 bricks with 3 cuts. I thought I was doing it correctly, but i was making 1 good brick and 1 parallelogram. thankfully these bricks were trash and the side angle really isnt terrible. A few small gaps you can see but they will be hidden on the side. Now I know where i was making the mistake and have corrected my jig since the photo and when I start the third course it is cutting two prefect bricks in three cuts.

    Couple bullet points for future references...
    - My firebricks were not all the same size, some bricks were up to 1/8" bigger then others
    - Don't buy a Tile saw blade, I bought a rigid premium blade that said it cuts granite... ya tiles, not bricks, It was dead after my first course
    ( https://www.homedepot.com/p/RIDGID-1...J10P/205863854 )
    Ended up getting a brick saw blade and its great, little more aggressive not super smooth but good. (https://www.homedepot.com/p/Makita-1...4720/301721027 I found a 10" version)
    - Don't over think the cuts, simple solutions are there if you just step back and look at it.
    - Make the end of your IT tool small, I had mine 4x4 or so and it was way to big so i cut it down to a few inches wide may have to modify it even smalled when I get the the upper dome

    Still need to figure out my arch cuts, currently just stacked up to see where it fits and to help me plan ahead, should start them this weekend.
    Also trying to decide how long my landing should be, waiting on the 6" chimney flange I ordered to see how large the base of it is.
    All the insulation products have been sourced but wont be cut until i move outside
    Still trying to decide between home brew or the heatstop 50. Have 1, 50 lb bag of fire clay already. My local supplier who specializes in these supplies "surprisingly" recommends the HS50 for 65$ a bag
    Last edited by Northup; 02-10-2018, 08:18 AM.

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    • #3
      Nice winter work. You must have an old home with a stone foundation.

      I had a couple different IT heads, one wider, one really narrow. Are you doing a tapered inner arch (highly recommended). Attached is a pic showing how the IT is used to define the angles.
      Russell
      Build Link............... Picassa Photo Album Link

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      • #4
        ya I have seen a few post and that is the way I am planning on doing it. recently was reading Jim's "36" Pompeii build in the desert" and taking pointers from his discussions with others on figuring the arch tapper out.
        yes I have a Colonial home so the field stone foundation walls are great. Still tossing around Ideas on how I will finish the outside of the oven. Would like to be able to see the Dome shape but trying to find a suitable render that will be weather resistant enough for around here. I do plan on building a stone wall under the oven edges to hide the blocks

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        • #5
          Originally posted by Northup View Post
          ...........Still tossing around Ideas on how I will finish the outside of the oven. Would like to be able to see the Dome shape but trying to find a suitable render that will be weather resistant enough for around here........
          I had the same wants and concerns for my oven. A roof with a substantial overhang will protect the oven as well as yourself from the elements. I settled on an open sided scissor truss design to protect the oven and still showcase the dome shape.
          Last edited by Gulf; 02-11-2018, 06:09 PM.
          joe watson

          "A year from now, you will wish that you had started today "

          My Build
          My Picasa Web Album

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          • #6
            Thanks for the idea Gulf I had looked at your build a few years ago but was good to remind myself of that covering.
            Made some progress today but about as high as i can dry stack without supports right now, other courses will have to be cut but not pre assembled
            Got some taper work on the arch still need to get the top angle right but that may wait till i start mortaring courses so I can get it more accurate per brick. Each last brick will also be custom cut at the arch meeting to fit because I know the mortar gaps will shift bricks slightly. Also haven't been too concerned with running joints, most are fine but i think there is one or two that will be altered before final mortar

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            • #7
              Looks great! Maybe you should start selling kits
              My build thread
              http://www.fornobravo.com/community/...h-corner-build

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