Insulating fibre board hearth - joints??

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  • tommo21
    Laborer
    • Apr 2015
    • 54
    #1

    Insulating fibre board hearth - joints??

    To all,
    When laying the insulating boards is there a need or benefit from bonding the individual boards together to stop heat escaping from the joins?
    Thanks
    Tags: None
    • UtahBeehiver
      Member Moderator
      • May 2012
      • 5260
      #2
      No, just butt them up tight together. If you use more the one layer then stagger the joints.
      Russell
      https://photos.google.com/album/AF1Q...L9lr_UnUgJbF3Z

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        • RandyJ
          Il Pizzaiolo
          • May 2010
          • 1191
          #3
          Ditto.

          Randy

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            • tommo21
              Laborer
              • Apr 2015
              • 54
              #4
              Thanks guys!
              I will try and get away with a single 2" or 50mm layer.
              In Australia the Calcium silicate board appears to be more commonly available than the Alumina Silicate board.
              Any real disadvantage of using Calsil instead of the specified Alsil in the FB literature?
              Thanks

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