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K Fac-19 - 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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K Fac-19

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  • K Fac-19

    I've seen a few older threads on the use of K Fac-19 insulation boards. Does anyone have any other thoughts or experience with this board? It is significantly cheaper than the FB boards, and I can buy locally without shipping. $84 for 24 square feet.

    This was recommended by the owner of a refractory materials distributor in Detroit.
    Mike - Saginaw, MI

    Picasa Web Album
    My oven build thread

  • #2
    Re: K Fac-19

    OK, no response. Either no interest in further discussing this product, or no experience. I'll try being more specific with my questions.

    Does anyone have any experience using K Fac-19?

    I've read this is the same as Insblock-19? I couldn't reliably confirm this, and both products are available, so it makes me wonder. Any thoughts?

    My biggest concern is whether this can hold up if it gets wet. I don't want a repeat of the Kaowool problems.
    Mike - Saginaw, MI

    Picasa Web Album
    My oven build thread

    Comment


    • #3
      Re: K Fac-19

      I used insblock 19- I don't know if they're really the same, but I have one edge sticking out in front of my oven from where I trimmed some bricks back, and it's gotten wet several times. It does not get mushy- it's always a bit soft if you pick at it anyway- but it has good compressive strength under the bricks.

      I have kept the whole thing largely covered while I've been working on the oven anyway- a tarp goes on when I'm done for the day.

      I got my insblock from a Harbison/Walker outlet near here- they should also have a few other things you need, like fireclay (If you make your own mortar). I made my own to fill in the cracks outside the oven and coat over the whole thing- it works pretty well and it wasn't that bad to work with.

      I think Dmun also used the insblock.
      Elizabeth

      http://www.fornobravo.com/forum/f8/e...html#post41545

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      • #4
        Re: K Fac-19

        Yes, the lack of response on my part was that I just don't know. You could compare the material data sheets, or you could ask the manufacturers applications engineers: That's the advantage of using industrial products, they are required to provide this kind of information.
        My geodesic oven project: part 1, part 2

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        • #5
          Re: K Fac-19

          If its local, why not ask if you could have little snippet to test? Fling it in a bucket of water and see what happens.
          "Building a Brick oven is the most fun anyone can have by themselves." (Terry Pratchett... slightly amended)

          http://www.fornobravo.com/forum/f8/p...pics-2610.html
          http://www.fornobravo.com/forum/f9/p...nues-2991.html

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          • #6
            Re: K Fac-19

            K Fac 19, FBX boards, insboard, Kao wool board are all fibrous boards with organic binders. The binders burn out at relatively low temperatures, leaving boards with little strength. These boards are typically not used in applications where compressive strength is required. Moisture will not hurt these boards, but these boards do have the ability to wick up moisture.

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            • #7
              Re: K Fac-19

              Good info.
              There must be some differences within these boards, however. Many builders have used the Insboard-19 with good results (at least none reported). They seem happy with it. One builder has used the Kao wool board and has had a terrible time with it, turning to mush when wet, losing structural integrity of the arch.
              Mike - Saginaw, MI

              Picasa Web Album
              My oven build thread

              Comment


              • #8
                Re: K Fac-19

                I am too also wondering about the K-FAC 19 since it is so much cheaper at 4.20 per sq foot!!! The only thing I do know is that K-FAC 19 is known as a "Mineral Block." Thermal conductivity is 0.56 btu-in/hr ft2 at 600 dg F as opposed to 0.48 for the duraboard 350 ES

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