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How thin is your concrete countertop? - 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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How thin is your concrete countertop?

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  • How thin is your concrete countertop?

    Guys, I really want to make the edge/bull nose on my concrete countertop about 30mm thick. I'm wondering is this pushing my luck, does it need to be thicker? Are others doing it at 50mm or how thick? This would really be only the 40mm overhang, the rest of it would be a little thicker, probably up to 50mm.
    I have a fine steel reinforcement mesh, squares about 40mm and gauge about 3mm thick. I'm using sand cement mix.

    Thanks

    R

  • #2
    Re: How thin is your concrete countertop?

    You are pushing it, since this is your first countertop..and I think you are headed for trouble.

    A thin, sand only top needs a great mix design, reinforcement, and curing time. Also, you are asking for trouble by making it different thicknesses... Keep it uniform. A solid base is a must for any countertop, but especially do for thin ones.

    Suggestion...50mm as a minimum.
    Old World Stone & Garden

    Current WFO build - Dry Stone Base & Gothic Vault

    When we build, let us think that we build for ever.
    John Ruskin

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    • #3
      Re: How thin is your concrete countertop?

      You would need a high fiber loading, correctly graded aggregate, and a latex additive to get to 50mm. To get to 30mm you will need to use GFRC and a whole lot of practice.

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      • #4
        Re: How thin is your concrete countertop?

        Thanks guys, looking like 50mm then..... I think I have to cut about 10mm off the top course of blocks to get a 50mm counter in and still have it slightly lower than landing height. I had intended having the landing level with the countertop and then the countertop would fall away gradually and overhang by about 45mm but I'm finding this gives me quite a thin counter over the red brick(35-40mm-ish). No point taking shortcuts now so I suppose I'll take a slip off the top of each red brick and put in a counter that'll be 50mm thick. I had intended having agentle slope from the oven outwards to carry away rain? Is that what you guys do? I assume this will be achievable with a slightly drier mix?

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        • #5
          Re: How thin is your concrete countertop?

          Originally posted by RichC View Post
          I had intended having a gentle slope from the oven outwards to carry away rain?
          [/IMG]
          You should...a small pitch will be sufficient.
          Old World Stone & Garden

          Current WFO build - Dry Stone Base & Gothic Vault

          When we build, let us think that we build for ever.
          John Ruskin

          Comment

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