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Can I use this board for the Hearth? - Forno Bravo Forum: The Wood-Fired Oven Community

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Can I use this board for the Hearth?

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  • Can I use this board for the Hearth?

    Hello,

    I am wondering if I can use this board from McGills Warehouse as the Insulation part for the hearth instead of the vermiculite.

    McGills Warehouse Online Department Store,

    Do I only need one case of the 2 foot by 3 foot boards? (One case seems to be 3 of these boards for $97).

    Thanks so much for your help!

    Jon

  • #2
    Re: Can I use this board for the Hearth?

    Jon

    those boards look good to me. If you only buy one case you will have a base that is 2 inches thick which is probably fine. Good luck!

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    • #3
      Re: Can I use this board for the Hearth?

      Have you done a "refractory materials" search in Calgary? I did a quick one and at least a couple place popped up, one was a ANH supplier which is a large one here in the states. Might be less expensive than shipping from Calf.

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      • #4
        Re: Can I use this board for the Hearth?

        For less than $93 plus shipping I would think you can source vermiculite and portland locally. A 4" of 5-1 vermiculite/portland cement mix will provide the same amount of insulation as 2" of CF board.

        For what its worth, I bought my CF blanket from McGills and honestly, it was the dirtiest, creepiest retail establishment I have ever dealt with, ever. If there were dead bodies hidden in the corners of their dark 'warehouse' I would not be surprised. I felt strangely fortunate to escape out of there with my life.The refractories McGills sells are admittedly not high quality, but they do work.

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        • #5
          Re: Can I use this board for the Hearth?

          Those are low density fiber boards . I purchase allot of refractory from them. I have used that fiberboard in one of the kilns I build for my shop.
          it is not very strong as it is low density kind of soft and spongy
          Bill

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