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BU610 Preventing moisture problems in timber-framed skillion roofs (2017)

Product Description

Many low-slope roofs in New Zealand are skillion roofs. The roof cladding and ceiling lining are parallel and usually directly attached to framing. Careful design, specification and construction is needed to avoid moisture-related problems in skillion roofs.

This bulletin explains potential problems and how to reduce the risk of them occurring. 

The bulletin covers: 

  • external moisture
  • thermal movement
  • internal moisture
  • trapped moisture
  • condensation risks
  • design options.