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  • I'm sure this has been dicussed...

    But..

    Does it matter whether the floor bricks are set in mortar or dry set to the hearth?

    I was leaning toward mortaring them down and between gaps.
    My thread:
    http://www.fornobravo.com/forum/f8/d...ress-2476.html
    My costs:
    http://spreadsheets.google.com/pub?k...Xr0fvgxuh4s7Hw
    My pics:
    http://picasaweb.google.com/dawatsonator

  • #2
    Re: I'm sure this has been dicussed...

    Dave,

    The recommendation is a sand clay mix. Add a little water to make a paste and screed it off with a notched trowel. Don't worry about the gaps, it's my understanding that they will fill in with ash. I believe we want the floor to have the ability to "float". That's the approach that I have taken (but then again, I feel I'm outside the box and off the edge )

    Les...
    Check out my pictures here:
    http://www.fornobravo.com/forum/f8/les-build-4207.html

    If at first you don't succeed... Skydiving isn't for you.

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    • #3
      Re: I'm sure this has been dicussed...

      I think either is fine. The main reason, so i'm told, for the sand/clay mix is to get the bricks level on the hearth. If its level enough for you then I say do without it. Thats the way I ended up going...bricks on isoboard.
      Oven Progress
      Bread Photos
      Oven Stand Thread

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      • #4
        Re: I'm sure this has been dicussed...

        Thanks guys.

        I wanted to just lay them and leave them, but the bricks, can we say, are imperfect. Highs lows, company stamps, etc.
        So i thought I would put a bit of mortar down to level em up.

        Nothing in between though? Ill go with it! But the edges are the worse part, rough, jagged and irregular. I thought they would be nice and square, perfect ... Ya know?
        But I guess that was just me dreaming!
        My thread:
        http://www.fornobravo.com/forum/f8/d...ress-2476.html
        My costs:
        http://spreadsheets.google.com/pub?k...Xr0fvgxuh4s7Hw
        My pics:
        http://picasaweb.google.com/dawatsonator

        Comment


        • #5
          Re: I'm sure this has been dicussed...

          Dave, I had the dream as well. Use a belt sander - It really does wonders for the edges and level surface. If you wanted to spend many hours you could get it perfect, but it's about that pill thing...

          Les...
          Check out my pictures here:
          http://www.fornobravo.com/forum/f8/les-build-4207.html

          If at first you don't succeed... Skydiving isn't for you.

          Comment


          • #6
            Re: I'm sure this has been dicussed...

            You can grind them or sand them to make them level. Shouldn't mortar them together though...God forbid one should crack...if the are just set in a firelcay sand mixture but nothing in between you could then replace an individual brick...otherwise much more difficult to replace...also won't get mortar in the food but rather some flyash which is just fine!
            Best
            Dutch
            "Making the simple complicated is commonplace; making the complicated simple, awesomely simple, that's creativity. " Charles Mingus
            "Build at least two brick ovens...one to make all the mistakes on and the other to be just like you dreamed of!" Dutch

            Comment


            • #7
              Re: I'm sure this has been dicussed...

              Originally posted by Dutchoven View Post
              You can grind them or sand them to make them level. Shouldn't mortar them together though...God forbid one should crack...if the are just set in a firelcay sand mixture but nothing in between you could then replace an individual brick...otherwise much more difficult to replace...also won't get mortar in the food but rather some flyash which is just fine!
              Best
              Dutch
              Just a blend of fireclay and sand?

              No water?
              My thread:
              http://www.fornobravo.com/forum/f8/d...ress-2476.html
              My costs:
              http://spreadsheets.google.com/pub?k...Xr0fvgxuh4s7Hw
              My pics:
              http://picasaweb.google.com/dawatsonator

              Comment


              • #8
                Re: I'm sure this has been dicussed...

                I think it was one part clay one part sand and then mixed into a slurry with water, firm enough for it to hold the peaks when screeded with tile setters gauging trowel. Although some I have seen did it with the mix dry?
                Best
                Dutch
                "Making the simple complicated is commonplace; making the complicated simple, awesomely simple, that's creativity. " Charles Mingus
                "Build at least two brick ovens...one to make all the mistakes on and the other to be just like you dreamed of!" Dutch

                Comment


                • #9
                  Re: I'm sure this has been dicussed...

                  Originally posted by asudavew View Post
                  Just a blend of fireclay and sand?
                  No water?
                  I used dry fire clay to level my floor. Sprinkled it where I needed a brick to be up a bit higher here and there. Then ground down the bad spots with a piece of scrap firebrick and hit a few other spots with my orbital sander and 60 grit paper.
                  Ken H. - Kentucky
                  42" Pompeii

                  Pompeii Oven Construction Video Updated!

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

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                  • #10
                    Re: I'm sure this has been dicussed...

                    Thanks everyone!

                    I opted for a bit of sifted sand under the bricks that required it.

                    Seemed to work fine!
                    My thread:
                    http://www.fornobravo.com/forum/f8/d...ress-2476.html
                    My costs:
                    http://spreadsheets.google.com/pub?k...Xr0fvgxuh4s7Hw
                    My pics:
                    http://picasaweb.google.com/dawatsonator

                    Comment


                    • #11
                      Re: I'm sure this has been dicussed...

                      I used an extra wet mix of Heatstop 50, very thin skim coat then gently tapped the bricks down into it - purely for leveling. The belt sander idea works very well at smoothing the installed floor bricks, use 40 grit for grinding down the uneven areas and then move up to 80 or 100 grit over the entire floor...you can make it smooth as a baby's ass in about 15 minutes. Just be sure to wear a good dust kask.

                      RT

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                      • #12
                        Re: I'm sure this has been dicussed...

                        nOw i gotta dig out my belt sander...........


                        man this takes loads of tools.......
                        My thread:
                        http://www.fornobravo.com/forum/f8/d...ress-2476.html
                        My costs:
                        http://spreadsheets.google.com/pub?k...Xr0fvgxuh4s7Hw
                        My pics:
                        http://picasaweb.google.com/dawatsonator

                        Comment

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