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Refractory Cement - 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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Refractory Cement

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  • Refractory Cement

    Hi, I want to build my first oven and after reading a lot of threads here I have decided to go the castable way. I found a company that is selling me Refractory Cement called Plicast KL 3000KK here in miami and they sent me the data sheet, can anybody tell me if this would work?

    thanks.
    Attached Files
    Last edited by sanlucas; 10-18-2010, 10:04 AM.

  • #2
    Re: Refractory Cement

    I don't open mystery zip files. Maybe you could do a scan, a page grab, or a PDF?
    My geodesic oven project: part 1, part 2

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    • #3
      Re: Refractory Cement

      Sorry I changed it to .pdf

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      • #4
        Re: Refractory Cement

        Seems a bit of an overkill, 3000f grade is a bit high, look around for a lower temp grade, say about 1300c. You will save a bit of money.

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        • #5
          Re: Refractory Cement

          Hello sanlucas,

          It certainly looks like it would suffice for a cast component, maybe more than what you need, too. The companies that make castable refractory usually have four or more grades with various qualities. You don't need much extreme for a pizza oven so the abrasion and high heat resistance qualities are not so important. You're not making a refining kiln, it's a pizza oven with a maximum working temp of less than 1500 deg F. Low duty castable refractory should work fine.

          Avoid confusion with terminology of products. Use a castable refractory if you want the end component to hold heat like it were a fire brick and an insulating castable refractory if you want to hold in heat or insulate such as an application where you would use an alternative such as perlite or vermiculite. An insulating castable refractory is often placed in layers over a cast refractory product. Think insulation placed over a heat holding component. Perlcrete or vermicrete placed over fire brick. You will need both castable refractory and an insulating castable refractory product for your oven. You can easily make the insulating refractory yourself from vermiculite or Perlite and Portland cement.

          Best wishes,
          Bob

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

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

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          • #6
            Re: Refractory Cement

            Thanks I will call the company tomorrow to check if the have something cheaper, they are selling me that one for $37, Is that ok? how many I'll need? 12 maybe?

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            • #7
              Re: Refractory Cement

              Quantity depends on oven diam/thickness, but about 15 bags for a meter internal diameter is the norm.

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              • #8
                Re: Refractory Cement

                sanlucas,

                Johnny makes a good point. You should know how many bags you need before starting your project. Buy a few extra and make arrangements to return the balance if they are not needed. Here is a link to someone using castable refractory in a form. Good information. YouTube - castable refractory concrete #2

                Cheers,
                Bob

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

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

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                • #9
                  Re: Refractory Cement

                  Thanks for the help, I have some drawing of the oven I'll post later so you can give me your opinion because I planning on building a metal stand.

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