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sophias new restaurant

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  • sophias new restaurant

    picked up the keys this week and bricks are on the way any thought on the base support slab 4 inchs vermiculite insulating slab 2 inches thermo floor 4 1/2 inches cooking floor 4 1/2 inches over kill or well spent money??? buy the way its a 54 inch oven

  • #2
    Re: sophias new restaurant

    Hey smallholder, I did some answering of the above in the other "how many bricks" thread. Keep asking and we'll help were we can.

    Chris

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    • #3
      Re: sophias new restaurant

      should i put everything on this thread ?? also i was thinking about adding a coil of copper pipe in between fire brick and insulating brick to supply hot water what do you think??

      Comment


      • #4
        Re: sophias new restaurant

        i think we are going to end up with a 54 inch cooking floor made from fire bricks 9x4.1/2 x 2 1/2 on there side under a insulatig brick 9x4 1/2x3/4 and then a vermiculite slab 4 inches over a 4 inch slab support hows that add up we will be using overnight thermal mass to cook slow roast and such sorry my first figs are a bit out but the bricks are ordered the dome is 4 1/2 x4 1/2 x3 with a further 4 1/2 x 4 1/2 x 3 is this enough dome mass ??

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        • #5
          Re: sophias new restaurant

          If you haven't taken a good read of the commercial oven done by windage, here it is.
          http://www.fornobravo.com/forum/f37/...ost-11354.html
          I remember that his oven was built with water heating, this said, I don't know to what degree he is using it and how this heating affects the oven's heat.

          As for thermal mass I think you're fine with the understanding that I don't know how much heat the water is going to steal from the oven. One thing to remember is that one unit of water volume is 1000 units of steam, so care in design is critical. You are really creating a boiler when you add water into the mix.

          Regarding the substructure of the oven, the foundation and substructure are critical. Are you going to create a wood storage under the oven? If so you might want to consider limiting the depth of this area and break it into two, side by side, wood storage areas. Also even though a 4 inch slab may be fine for a 36 or 42 inch oven, I opted to pour a 5 inch slab and put half inch steel every 8 inches in a grid pattern. I also ran larger reinforcing steel over my wood storage. Remember that concrete and steel don't cost much so over engineering by a bit is better than under.

          Chris

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          • #6
            Re: sophias new restaurant

            well all the bricks are here now and i think i over order but better to have too many than too few how this for a list 144 concret blocks for the base
            460 9 x 4 1/2 x 3 1/2 fire bricks, 300 9 x 4 1/2 x 1/2 floor fire bricks, 400 9 x 4 1/2 x 1/2 insulating bricks, 20 x 15 kilos of cement, 100 kilos of fire clay, 10 x 25 kilos tubs of fire cement 200 litres of pearl light 1 ton of sand and 2 tons of gravel .. if i cant build a kick ass oven and indoor BBQ with that ???? any one in the UK gl14 area that wants to lend a hand is more than welcome

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            • #7
              Re: sophias new restaurant

              base built ,slab poured and monday i start cutting bricks cant wait i have mounted a 9 inch dewalt grinder in a box with a fish pump to keep it all wet hope this pic works

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              • #8
                Re: sophias new restaurant

                hope i havent messed up i mixed my vermiculite with a ratio of 4 vermic 1 sand 1 gravel and 1 cement what your views ??

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                • #9
                  Re: sophias new restaurant

                  My only question is why the sand and ag in the pearlcrete? These conduct heat and the gravel may pop if too hot.
                  I read where you have 2 inches of insul under...I have 4 and wish I had more.
                  Trying to learn what I can about flours, fermentation and flames...

                  My 81 inch first build; http://www.fornobravo.com/forum/f37/...ost-11354.html

                  My 52 inch mobile; http://www.fornobravo.com/forum/f37/...ing-20874.html

                  our FB page; https://www.facebook.com/pages/Artys...20079718042660

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                  • #10
                    Re: sophias new restaurant

                    the mix is because i couldn't find a answer and just ploughed ahead so i have a 4 inch slab and a 4 inch pearlcreat /concreat slab and 2 inches of refractory fire brick insulation the kind for a kiln hope that's enough ?

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                    • #11
                      Re: sophias new restaurant

                      started the oven today wow

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                      • #12
                        Re: sophias new restaurant

                        Sophias | Facebook

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                        • #13
                          Re: sophias new restaurant

                          Smallholder, It looks like you don't have any insulation between the side walls and the dome, if so you'll loose a bunch of heat there and you may find cold spots in the inner dome at these points..


                          Chris

                          PS those aren't wood frame walls are they?
                          Last edited by SCChris; 01-24-2012, 11:53 AM.

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                          • #14
                            Re: sophias new restaurant

                            havent put the insulation in yet .. in the very closest point it will be 2 1/2 inches
                            just where the arch of the soldier joint meets the wall every where else will be up to 6 inches what you think??

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                            • #15
                              Re: sophias new restaurant

                              If you can get some Ceramic Blanket or Rigid insulation between the wall and the soldiers you'd have your best results. If not Stone wool is used here in the states in contact with the back side of brick fireplaces. Post your pictures and we'll help as best we can..

                              Best to you!

                              Chris

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