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Hight temp-Mortar - Forno Bravo Forum: The Wood-Fired Oven Community

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New Forno Bravo Forum Feature

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.
- 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.

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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Hight temp-Mortar

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  • Hight temp-Mortar

    Hi James , I'm new in the area , I'm gonna build outdoor kitchen, with oven pizza in my backyard , with pompeii 49" ,with brazilian rottissery grill. I gonna start the igloo , in fell weeks still raining , i have a question , The only place I founded a hight temp mortar , for the oven , Is HARBISON-WALKER REFRATORIES , they sad they have product call SAIRSET fireclay/hight alumina mortar, refractory material, can I use this for the bricks , can in bucket 55pounds ,
    any help I will be glade.

    thanks
    Achiles

  • #2
    Re: Hight temp-Mortar

    Achiles,

    It looks like Sairset is composed of about 43% alumina and 50% silica, which is very similar to the tried-and-true HeatStop 50 (@ 40% alumina and 50% silica). I'm no expert, but it looks like the Sairset should work. The data sheet says to "apply in thickness less than 3 mm." Not sure if that would be an issue.

    In theory, it would be best to match your mortar composition to your bricks. According to the FB plans, low-duty firebrick is roughly 30% alumina and 50% silica, the same as the RefMix mortar available from FB.

    Daren
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    Oven-building thread

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    • #3
      Re: Hight temp-Mortar

      Members have had bad experiences with wet pre-mix mortar. The stuff tends to go bad, and get lumpy, and not dry properly. I don't know if they were using this specific product but H-W is a big manufacturer.

      My feeling? Why pay refractory mortar prices (and shipping) for water? We've got lots of that right on site.
      My geodesic oven project: part 1, part 2

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