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Lava rock - Forno Bravo Forum: The Wood-Fired Oven Community

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I'm Peter Reinhart! Ask Me Anything! Monday, February 15, 2016 7:00-8:00 pm EST

To kick off our AMA feature, we have invited author, chef and master bread maker and host of Pizza Quest, Peter Reinhart, to be our first host! Peter will be in the Forum on Monday, February 15th, from 7:00 - 8:00 pm EST. If you are unable to be online during the live session, you can post your questions in the sticky post. Peter will answer those questions during the live session on February 15th. You can view Peter's answers to your questions as well as what happened during the live session in the session thread.

Ask Me Anything New Forum Feature

You will notice a new forum at the top of the main page called, "Ask Me Anything". This forum will be used for live one hour "Ask Me Anything" (AMA) sessions hosted by people who are knowledgeable in different areas pertaining to wood fired ovens. How it works:
- Each AMA will have a "sticky" thread where the community can post questions they would like answered during the live session. This will allow everyone to participate even if you can't be online for the live session. These questions will not be answered by the host until the live AMA; if you need an answer quickly, you should post it in the appropriate Forum area for the community to respond.
- Another thread will be posted for the live AMA. Registered users who are logged in during the live session can interact with the host by asking questions and receiving responses.
- The live thread will remain in the AMA forum to view after the session.

We hope you enjoy this new feature! Please let us know if there is a topic that you'd like to have as an AMA and we'll look for a host!

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Lava rock

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  • Lava rock

    New to this forum, so forgive me if this has been covered. Has anyone ever used lava rock as an aggregate for the concrete base and if so, does it provide good insulation> Thanks in advance.

  • #2
    Re: Lava rock

    Don't know if its been covered,but, it may be slightly more insulative,BUT, it is certainly NOT a good enough insulator for a oven....There are proven methods,mainly ceramic fiber insulators that are used for a reason, they work...If you havn't built a oven before I suggest that you look at the Pompei Forno Bravo plans...A lot of work and money goes into these things and it would be a shame if you went through it all only to find it was a dud..just sayin..
    " Life is art, live a masterpiece"

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    • #3
      Re: Lava rock

      Originally posted by thickstrings View Post
      Don't know if its been covered,but, it may be slightly more insulative,BUT, it is certainly NOT a good enough insulator for a oven....There are proven methods,mainly ceramic fiber insulators that are used for a reason, they work...If you havn't built a oven before I suggest that you look at the Pompei Forno Bravo plans...A lot of work and money goes into these things and it would be a shame if you went through it all only to find it was a dud..just sayin..
      Gudday thick strings
      I agree that there are better insulation options that are cheaper and more readily available than lava rock. But if that's what you have ,why not . Check out Lancers Phillipino build in the Australian section. He is using what is locally available. He is using plumice for insulation local fired brick for the dome and will slake his own lime for the homebrew mortar.
      I say good on him, the most important thing is that he will be able to produce a viable oven still using the forno methods.
      Regards dave
      Measure twice
      Cut once
      Fit in position with largest hammer

      My Build
      http://www.fornobravo.com/forum/f51/...ild-14444.html
      My Door
      http://www.fornobravo.com/forum/f28/...ock-17190.html

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      • #4
        Re: Lava rock

        Dave, that is a fantastic build by Lancer and I applaud his determination in getting the job done. I for one am all about using what you have....[ redneck engineer] I was congratulated once here by the locals for using a tupperware bowl as a roof vent shroud. This guy, I assume, is talking about the rock that one would put in a gas grill.....not pumice....He lives in Chicago..a major U.S. pizza city , urban sprall 90 miles in all directions.The right stuff IS available... Local Chicago joke....Why are all the [fill in the blank] leaving the city?.......They think Mount Prospect is gonna blow... Mt. Prospect is a NW suburb, not a volcano... P.S. I don't know Brisbane from Perth....
        " Life is art, live a masterpiece"

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