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isalation layer - Forno Bravo Forum: The Wood-Fired Oven Community


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isalation layer

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  • isalation layer

    if the brick dome is on a layer of fire bricks do i need a insalation layer below the fire bricks

  • #2
    Re: isalation layer

    Yes, insulation under the floor bricks is critical to a successful oven. The free plans offer a lot of good information on this topic; have you found and downloaded them yet?


    • #3
      Re: isalation layer

      yes i downloaded them but is there a cheaper insalation then perulite and vermiculite because i cant afford it


      • #4
        Re: isalation layer

        unfortunately, perlite/vermiculite is the cheaper option... but the cost definitely balances out in the long run if you weigh it against the cost of wood in an uninsulated oven.

        My oven build is finally complete!


        • #5
          Re: isalation layer

          maybe you should build an earthen oven, or is it called a cob oven ? do a forum search, i bet thats the cheapest way you can go


          • #6
            Re: isalation layer

            how much vermerculit do i need for a 48 by 56 by 3.5 insalation layer


            • #7
              Re: isalation layer

              (48 x 56 x 3.5) / 1728 in per cu foot = 5.4444 cubic feet. The portland doesn't much change the volume of the vermiculite.
              My geodesic oven project: part 1, part 2


              • #8
                Re: isalation layer

                so 5 cubic feet of vermiculite sorry new at this so iam a litle mixed up


                • #9
                  Re: isalation layer

                  will one bag of 90lb portland cement be anuff