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Pouring Hearth Slab - 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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Pouring Hearth Slab

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  • Pouring Hearth Slab

    I am ready to pour my hearth slab which will be about 6.5 x 7.5 feet. My question concerns the gaps around the plywood and small gaps between the form and a few of the block. Do I need to fill the gaps with something, or will the concrete stay out of the smaller gaps?

  • #2
    Re: Pouring Hearth Slab

    depends on the size of the gaps and the size of the aggregate in the concrete mix. If it's peastone, the the gap should be smaller than that.

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    • #3
      Re: Pouring Hearth Slab

      Duct or masking tape will fill any voids. It may not be necessary, but it's impossible to fix once sludge starts running down the sides of your forms.
      My geodesic oven project: part 1, part 2

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      • #4
        Re: Pouring Hearth Slab

        Thank you for the replies. I will use my favorite product in the world, (duct tape) to be safe. The concrete truck is due tomorrow morning so I'll post the results on my thread in the Pompeii Construction section. I very much respect both of you guys. Thanks again.

        Leigh

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