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Quick construction question: - Forno Bravo Forum: The Wood-Fired Oven Community



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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Quick construction question:

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  • Quick construction question:

    I have my 2" layer of refractory fiberboard down....Should I put a thin layer of refractory mortar between insulating boards and the firebricks (oven floor)?

  • #2
    Re: Quick construction question:

    No, you want the bricks to float so that they do not tear up the board. Bricks expand and contract with the heating and cooling. You can put down a dry layer of fireclay or what not.
    Jen-Aire 5 burner propane grill/Char Broil Smoker

    Follow my build Chris' WFO


    • #3
      Re: Quick construction question:

      Hello jeeppiper,

      Make sure the hearth bricks are level. As tempting as it might be, the ceramic board is uniformly flat but your bricks may not be perfect. I played for an hour sorting bricks so they would fit with little or no gap. You'll find some narrow at one end or thicker or high on one end. It's just the way they are made. C5's suggestion to put down a thin bed of fire clay (and silica sand) to level the bricks is a good idea.

      Why not mortar the hearth bricks? Mortar invariably gets between the bricks even if you are careful, and creates slight a gap. Mortared hearth bricks are not easy to replace if you ever need to do it. Then again, you may find the replacement brick won't even wedge itself into place because its neighbor won't budge.

      Best of luck,

      Here is the link to my oven number 1 construction photos!

      Here is the link to my oven number 2 construction photos!


      • #4
        Re: Quick construction question:

        Guys....Thanks for the advice...I think I get the idea now and can move on....