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Keeping Concrete out of Cells - Forno Bravo Forum: The Wood-Fired Oven Community

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Forno Bravo Forum Community,

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.
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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.

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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Keeping Concrete out of Cells

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  • Keeping Concrete out of Cells

    Hello All:

    Building First Oven here is Takoma Park Maryland. Got the cement blocks in place last weekend and filled the required "core cells" with concrete for strength. I hope to build the form for the first concrete layer this weekend.

    I have no idea if this question is way off the mark, but here goes:

    In pouring the intial concrete, can I expect that a bunch of it will pour through the open cells on the top of the last layer of cement blocks? It would seem like there would be a good deal of waste if much of the concrete pours through this rather wide openings.

    If anyone has a trick or technique to keep this from happening, it would be much appreciated. I will be snapping some pics this weekend, and hope to post early next week,

    Thanks very much in advance,

    Jim

  • #2
    Re: Keeping Concrete out of Cells

    Jim,

    I know a lot of people who just stuff their empty cement bags in the cells to fill the void or being one who went overboard on the cautious side, I filled every core with cement. I believe most builders opt for filling the empty cores with the bags or other loose material.

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    • #3
      Re: Keeping Concrete out of Cells

      Originally posted by jamesdifede View Post
      In pouring the intial concrete, can I expect that a bunch of it will pour through the open cells on the top of the last layer of cement blocks? It would seem like there would be a good deal of waste if much of the concrete pours through this rather wide openings.

      If anyone has a trick or technique to keep this from happening, it would be much appreciated. I will be snapping some pics this weekend, and hope to post early next week,

      Jim
      I filled my empty cells with the empty bags from the Sacrete that I used to fill the other cells. And then a bit of sand/gravel. Not much.

      You can fill em with just about anything to keep the hearth concrete from running into them.

      Sand, gravel, dirt, newspaper, a time capsule.... whatever is available.

      Congrats on the beginning of your oven! It's a heck of a fun project.
      Remember to post pics.(We like em around here)
      Good luck, and keep asking questions.
      My thread:
      http://www.fornobravo.com/forum/f8/d...ress-2476.html
      My costs:
      http://spreadsheets.google.com/pub?k...Xr0fvgxuh4s7Hw
      My pics:
      http://picasaweb.google.com/dawatsonator

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      • #4
        Re: Keeping Concrete out of Cells

        Jim,

        The plans recommend that you use old concrete bags to fill in the cores you don't want filled. I read there are plastic "fillers" but haven't found any yet.

        Good luck
        Dick

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        • #5
          Re: Keeping Concrete out of Cells

          WHoa....those responses were quick and much appreciated. I guess a little common sense goes a long way....should have thought of that myself.

          Thank you for your replies. I will post as I go.

          Regards,

          Jim

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