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Vermiculite or Perlite? - 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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Vermiculite or Perlite?

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  • Vermiculite or Perlite?

    Hi, I'm about to start building the heart and I would like to know if is any difference between the two.
    Thanks.

  • #2
    Re: Vermiculite or Perlite?

    Perlite is a better insulator although once you add cement the difference is marginal. I prefer vermiculite to mix because it mixes up better than perlite and doesn't contain that fine irritating dust that perlite does. I find a 50/50 mix of vermiculite and perlite makes up a more workable mix than either of them alone.
    Kindled with zeal and fired with passion.

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    • #3
      Re: Vermiculite or Perlite?

      Originally posted by david s View Post
      Perlite is a better insulator although once you add cement the difference is marginal. I prefer vermiculite to mix because it mixes up better than perlite and doesn't contain that fine irritating dust that perlite does. I find a 50/50 mix of vermiculite and perlite makes up a more workable mix than either of them alone.
      Thanks!
      I found both in a plant nursery, and I think I will go for a 50/50mix.

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      • #4
        Re: Vermiculite or Perlite?

        although once you add cement the difference is marginal.
        To do the heart, I thought I was supposed to mix the perlite with concrete, now I'm confused

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        • #5
          Re: Vermiculite or Perlite?

          Originally posted by martin_80x View Post
          To do the heart, I thought I was supposed to mix the perlite with concrete, now I'm confused
          Cement is the grey powdery stuff. Concrete is a mix of cement, sand and aggregate
          Kindled with zeal and fired with passion.

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          • #6
            Re: Vermiculite or Perlite?

            you want portland cement for your mix-Type 1. you can get it at home depot/lowes.

            Mix it in large pans or wheelbarrow at about 6:1 (vemi/per to portland) I will have to look at the water required, but enough to make it sticky like oatmeal is how i did it. HTH

            Texman
            My Progress:
            http://www.fornobravo.com/forum/f8/t...ild-17324.html

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            • #7
              Re: Vermiculite or Perlite?

              I found perlite to be half the cost of vermiculite. YMMV

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