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Curing the concrete foundations - 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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Curing the concrete foundations

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  • Curing the concrete foundations

    Hi Folks,

    Today I laid the foundations for my oven. In the plans, it says that if you keep it damp while it cures it will make it stronger. This is probably a silly question, but, how do you keep it damp? Just by spraying a little water on it with the hose?

    Cheers Ross

  • #2
    Re: Curing the concrete foundations

    yep. u can also cover it with burlap or a fabric that you keep moist. by doing this you are not adding water but keeping the concrete from drying to fast

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    • #3
      Re: Curing the concrete foundations

      Ross- I agree with Tiofsi. Covering concrete with plastic or burlap will hold the water in and allow the concrete to cure (its a hydration reaction). Keeping prouct moist up to 30 days is best. However, once the concrete sets, especially if it looks dry because you didn't cover it initially, it is fine to splash on some water & then cover. Once the concrete is set and curing, the subsequent splashing on of mininmal water for wetting down is not going to leach out sufficient cement to threaten the strenght.

      Similarly, later on when you lay your fire bricks it is recomended that you wet your bricks before applying the fire mortar so the joint does not dry too quickly....When you are done laying the fire brick, wipe off excess splash with a large wet tile sponge & cover project with plastic to allow a slower moisture rich cure of the mortar. Glosta

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      • #4
        Re: Curing the concrete foundations

        Keep it wet continuously. If it drys out before it cures, it will never reach full strength even if you re - wet it.

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        • #5
          Re: Curing the concrete foundations

          Hi guys,

          Thanks for all the help. I've been spraying water on it, but when i got up this morning it had dried out. I 're-wetted' it this morning. How long do i keep it wet for?

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          • #6
            Re: Curing the concrete foundations

            One week. Concrete continues to hydrate and strengthen over the course of the first month, but it's near it's full strength in one week.
            My geodesic oven project: part 1, part 2

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            • #7
              Re: Curing the concrete foundations

              Here is a chart of strength over time for concrete that is allowed to cure properly (lots of water available continuously);

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              • #8
                Re: Curing the concrete foundations

                Nice one. Thanks for all the advice and help. Will keep it wet for the week before i start building.

                Cheers guys

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                • #9
                  Re: Curing the concrete foundations

                  Good to know. Thanks for sharing.

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