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sand and clay under the firebrick floor

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  • sand and clay under the firebrick floor

    Hi there,Forno bravians!
    What other material can be used instead of clay? As you don't recommend
    using mortar,would lime and sand be okay?
    Is there a special kind of clay that is required?
    Would plaster of paris mixed with sand do?
    As you can probably imagine not many Japanese are into the DIY oven building, the advice most commonly given is why don't you hire a contractor!
    In any case, your kind advice is really appreciated!

  • #2
    Re: sand and clay under the firebrick floor

    Hello Masako, I have heard that you can use refractory cement like you would use to bond your fire bricks together.

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    • #3
      Re: sand and clay under the firebrick floor

      Hi Masako,

      I'm no authority on the topic but agree with toddj, and I am indeed intending to do just that. I am using a pre mixed fire cement which I have bought online. It comes in tubes and looks like it'll be very easy to use. I know your not over in the UK but to give you some indication as to what I mean go onto the website below and search for fire cement. This is stuff I have bought.

      Good look fella, Mark

      Screwfix.com - Where the Trade Buys

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      • #4
        Re: sand and clay under the firebrick floor

        Originally posted by Masako Morishita View Post
        Hi there,Forno bravians!
        What other material can be used instead of clay? As you don't recommend
        using mortar,would lime and sand be okay?
        Is there a special kind of clay that is required?
        Would plaster of paris mixed with sand do?
        As you can probably imagine not many Japanese are into the DIY oven building, the advice most commonly given is why don't you hire a contractor!
        In any case, your kind advice is really appreciated!
        Masako,

        When you cut your floor bricks, save a few handfuls of the dust that is created. If you are using a wet saw, this will be a wet paste. Dry it out, by leaving it in a bucket. This is fireclay.

        Place the bricks right on top of your insulating layer. Sprinkle the dried fireclay as necessary under the bricks to level them and create a flat floor.

        Hope this helps!
        Ken H. - Kentucky
        42" Pompeii

        Pompeii Oven Construction Video Updated!

        Oven Thread ... Enclosure Thread
        Cost Spreadsheet ... Picasa Web Album

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        • #5
          Re: sand and clay under the firebrick floor

          I like it, very clever.

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          • #6
            Re: sand and clay under the firebrick floor

            Works like a champ.

            If you aren't going to cut your floor bricks, pre-cut a dozen or so dome bricks in half. You'll have more than enough fireclay. I saved several sessions worth of the "mud". After it all dried out I had about 10 pounds of the stuff. Kind of a shame to throw it out, but I couldn't find a use for it all.
            Ken H. - Kentucky
            42" Pompeii

            Pompeii Oven Construction Video Updated!

            Oven Thread ... Enclosure Thread
            Cost Spreadsheet ... Picasa Web Album

            Comment


            • #7
              Re: sand and clay under the firebrick floor

              Thanks guys!
              I'm using every bit of wisdom given!
              Domo.

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