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Use just heat stop 50 for shell construction - Forno Bravo Forum: The Wood-Fired Oven Community

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  • Use just heat stop 50 for shell construction

    Hello I'm new to the forum but I've been here looking for a few years finally gonna start the build, I'm a concrete floor guy so I'm not worried about the stand so much as the oven construction it's self I want to build the forms and then use the heat stop 50 over this ? First question is
    Do I mix he heats top 50 with anything other than water ( rock , sand, fiber etc)
    Second question
    How think do I make the walls and do I cover the form in sections or do I install the refractory in one go?

    Thanks

  • #2
    Re: Use just heat stop 50 for shell construction

    Are you planning to use the Heatstop 50 as a castable refractory? It's intended for thin bonds between firebricks, not as a bulk refractory. It's also more expensive than a true castable refractory. It might work if you used crushed firebrick as aggregate, and the usual stainless needles for reinforcement, but it's probably not the best way to go.

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    • #3
      Re: Use just heat stop 50 for shell construction

      Go to a refractory supplier, tell them what you are doing and make sure you get a dense castable refractory not an insulating one.
      Kindled with zeal and fired with passion.

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      • #4
        Re: Use just heat stop 50 for shell construction

        I went to the local supplier here in town asked about the crushed fire brick to use as aggregate they don't make the fire brick so that was a no go so at $1.48 per brick and $44.50 per 50lbs of heat stop 50 II IM going the fire brick route

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        • #5
          Re: Use just heat stop 50 for shell construction

          I was going to say that heatstop sounded like an expensive way to go, but I see you already figured that out!

          Do some research on home-brew for your mortar. It will save you some more money
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