E2 Performance Requirements

  1. Roofs shall shed precipitated moisture and snow.
  2. Roofs and external walls shall prevent the penetration of water that will cause dampness or damage to the building elements.

Other performance requirements quoted relate to transmission of ground moisture, areas below suspended floors, condensation in concealed cavities, and construction moisture.

Revision Category: 
1 - Minor Errata
Revision Detail: 

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