Can bituminous corrugated sheet be fixed directly to purlins?

Discussion in 'Builders' Talk' started by Jfwibberley, Aug 20, 2021.

  1. Jfwibberley

    Jfwibberley New Member

    Hi,

    Can bituminous corrugated sheet be fixed directly to purlins, or does it need some form of sheet underneath (OSB /ply) for support.

    Cheers,

    Josh
     
  2. markmichele

    markmichele New Member

    pretty sure it depends on pitch
     
  3. markmichele

    markmichele New Member

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