The NZ Metal Roof and Wall Cladding Code of Practice is a comprehensive design & installation guide, and a recognised related document for Acceptable Solution E2/AS1 of the NZ Building Code.
Buildings of the following types using metal cladding should have a sealed vapour barrier and are outside the scope of this Code of Practice. They require specific design.
- Swimming pools.
- Buildings containing liquids stored in open containers.
- Buildings where water is used in manufacturing, cleaning or storage processes.
- Ice rinks, cold stores and freezers.
- Buildings where unvented gas heating is used.