polystyrene insulation(shed)?

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  • utdman
    Top Poster
    • Jul 2008
    • 183

    #1

    polystyrene insulation(shed)?

    looking to insulate the roof of my shed,
    roughly 220cm x 390cm

    the roof is corrugated metal sheets and during winter there is a problem with condensation.

    im thing of installing polystyrene insulation and then covering it with plywood.
    beams joists measure 150mm from the base of the metal sheets and am planning to install 100mm thick polystyrene insulation sheets in between.

    is this ok?
  • cablefreejunkie
    DK Veteran
    • Jul 2008
    • 1717

    #2
    I think you might have issues with the condensation and the insulation
    Not totally sure maybe another member can clarify
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    • mtv1
      The Stig PT
      • Apr 2008
      • 4413

      #3
      am not a whizz at this but YBS SuperQuilt 1.5M X10M (15m2 Roll) - Eco Home Insulation this might help there are specialized peeps to insulate corrugated sheets too http://www.eurekainsulation.com.au/s.../Permastop.pdf
      Last edited by mtv1; 7 June, 2011, 02:32.


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      • Kalipo
        DK Veteran
        • Mar 2008
        • 1687

        #4
        Id suspect its one of these..



        If so, the walls would need insulating aswell..

        These sheds look good but are piss poor with condensation..
        ich bin stolz ein deutscher zu sein.

        Meathead Lufter Verein - iScheitern

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        • utdman
          Top Poster
          • Jul 2008
          • 183

          #5
          [QUOTE=Kalipo;1129749]Id suspect its one of these..
          QUOTE]

          nope

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          • Grizz
            DK Veteran
            • Sep 2010
            • 1598

            #6
            sounds good.
            You shouldnt have issues with condensation if its well insulated. condensation is caused in a shed by warm moist air rising and hitting the cold sheets above. if its hitting the polystyrene its not hitting the sheets, shouldnt be drip.

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