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Is 2 inch of Insulfrax enough? - Forno Bravo Forum: The Wood-Fired Oven Community

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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:
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Is 2 inch of Insulfrax enough?

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  • Is 2 inch of Insulfrax enough?

    Hello

    The roof of my oven will be a brick half barrel/arch type.

    Unfortunately I have had to revist my original design and make the roof lower. This has impacted on the cavity between the dome and the roof. Making it 2 inch at the closest point.

    I have 2 rolls of 2 inch insulfrax that will cover the dome, then the voids will be filled with vermiculite.

    I was wondering if 2 inch of insulfrax will be enough to stop the heat transfering from the dome to the outer brick roof 'completely??

    If not, I am thinking of cutting the bricks in half (along the long edge) so I can get another layer of insulfrax (taking it up to 4 inch) at the closest point. It means more work, but I've invested soooo much time in it so far, it's not a problem

    Any advise will be appreciated.

    Mick

  • #2
    Re: Is 2 inch of Insulfrax enough?

    What is the roof made out of? Combustible?

    I would think 2" is enough, but curious what the roof is made of.
    CB

    ____________________
    My 42" WFO/outdoor kitchen build thread:

    http://www.fornobravo.com/forum/f8/c...-us-13256.html

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    • #3
      Re: Is 2 inch of Insulfrax enough?

      Thanks for the reply

      I really hope it will be as it will save quite a bit of extra work.

      I'm finishing my roof like this:



      I'm not sure if this piccie will show. If not I'll sort another

      Mick

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