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Insblock 19 thickness question - 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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Insblock 19 thickness question

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  • Insblock 19 thickness question

    After much searching, I have decided on ANH refractories Insblock 19 and they stock in 1, 1.5 and 2" thickness with 1x3'. All the other ceramic boards would need to be shipped and the cost was 3 times what the Insblock is coming in at $112 that I can pick it up locally.

    Now the question, should I use the 1" and stagger the two layers of boards or just use the 2" boards and let the seams meet wherever.

    Also, if they have the 1.5" boards in stock (I only asked about the 1 and 2" being in stock), should I use two layers that would give me 3" of total insulation. Will that make much of a difference?

    Thanks for you help.

  • #2
    Re: Insblock 19 thickness question

    I used that product and was able to get it in 4 inch thick pieces. Let the seems meet, I don't think you will lose any efficiency. Here is how I laid it out.

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    • #3
      Re: Insblock 19 thickness question

      That INSBLOCK 19 is some pretty cool stuff. It’s very rigid and flat. I bought the 3" thick stuff, only because that's what Bill used in his oven and it stays hot for days. I'm right in the middle of my build, but think I would have been better off buying the 1" stuff for my particular build and just layered it up to 3" thickness. If you have the thinner stuff it’s easy to make thick, but if you have the thicker stuff it’s a bit harder to make it thin. Not too much price difference between the thicknesses either. The thicker stuff might be a tad cheaper; I paid ~$100 a box for the 3”. My 2 cents is go with whatever is cheaper to get the thickness you are designing to.

      Kevin

      PS: I was able to negotiate approx. 20% down from the original quote from the ANH salesperson. Doesn't hurt to ask.

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      • #4
        Re: Insblock 19 thickness question

        thanks for the tips, I plan on ordering today.

        If I were to use a thermal break on the landing, does this go down into the insulation and how large a gap would you use? Is the gap at the entrance to the landing, or the entrance to the oven?

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