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Vented roof cavities

NCC 2022 has introduced some additional minimum passive ventilation requirements for roof cavities through the condensation provisions.
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In the wake of NCC 2022 changes to condensation rules, do roofs need to be categorised differently? Do metal fixtures in roof cavities have to comply with additional provisions? Find out in this detailed explainer on vented roof cavities, NCC 2022 provisions and the outcomes of new research on condensation conducted in Wellington, New Zealand. 

If you work in roof installations or are having a roof installed as a homeowner, this is a crucial resource to get across what you need to do to comply, and how the provisions will affect your build.

Access this resource now

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FREE

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Who is it for?

Building Professionals

The new provisions for vented roof cavities, as outlined in NCC 2022.

What does it include?

  • Overview of NCC 2022 changes
  • Classification of roof spaces
  • Roof space ventilation provisions
  • Research outcomes
  • Condensation changes in NCC 2022
  • When provisions take effect.
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