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Using Heat Stop 50 and Perlite for insulating render - Forno Bravo Forum: The Wood-Fired Oven Community

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Using Heat Stop 50 and Perlite for insulating render

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  • Using Heat Stop 50 and Perlite for insulating render

    Hi all,
    Very new to masonry.
    Is it okay to mix perlite with Heat Stop 50 in a 5: 1 ratio as the render coating? If OK, is it overkill?
    Thanks in advance!

  • #2
    Yes, itís overkill as it wonít see high temperature. Normal OPC is sufficient there and as there is a big price difference you are wasting your money. It also has a much shorter working time, potentially increasing wastage if youíre not fast enough placing it.
    Kindled with zeal and fired with passion.

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    • #3
      Thank you David! I was thinking it might be overkill.

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      • #4
        Definitely overkill, I am using quikwall for my render

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        • #5
          thanks Bentedesco!

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