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  • #61
    Re: Well here goes nothing

    Area of dome = 1/2 of 3.1416 x d2 plus some contingency for waste and chimney area with d = 42" plus 9" for brick and plus any other coatings under the blanket.
    Russell
    Google Photo Album [https://photos.google.com/share/AF1Q...JneXVXc3hVNHd3/]

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    • #62
      Re: Well here goes nothing

      Okay I got 230 div by 12" I get 19 sq ft! With a roll 25' long
      I should have plenty of fiber blanket! Getting
      Harbor saw tonight it's in stock.. Oh boy look for
      Some good pics Sunday! I'll be on dome build!!!

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      • #63
        Re: Well here goes nothing

        Check your math. Assume 0.5(3.1416X51x51)=4085 square inches divided by 144 (12" x 12") = sq foot = 28.4 sq ft+/- with no contingency
        Last edited by UtahBeehiver; 06-12-2014, 10:45 AM. Reason: I can't do math either
        Russell
        Google Photo Album [https://photos.google.com/share/AF1Q...JneXVXc3hVNHd3/]

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        • #64
          Re: Well here goes nothing

          Assuming a 4" thick wall, gives an external radius of 25" and a dome surface of 3926 sq/in. which equates to 27 sq/ft. Minus the arch I would say you'll get 2" coverage.
          Build thread: http://www.fornobravo.com/forum/f6/m...sts-20752.html

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          • #65
            Re: Well here goes nothing

            It's enough to get me started. I'll worry
            About getting the extra wool when I'm close
            To done the dome. I got fire clay, sand, Portland
            Cement, and lime! My lime is yard lime but
            That's all Home Depot had?
            Last edited by Bubb; 06-13-2014, 04:54 AM.

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