Code of Practice v3.0 Online
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.
- Compatibility
Edging materials must be compatible with the flashing and cladding material.
- Durability
Edging material must have durability no less than the flashing material.
- Formability
Edging must be able to be dressed to within 3 mm of the pan of all profiles, and 5 mm to the corner of trapezoidal profiles
- Rigidity
Edging Material must be sufficiently rigid to maintain its form and function in normal wind conditions.
- Backing
Metallic soft edge may be backed by an inert layer of other material to improve stiffness and shape retention. Perforated metallic soft edging without a back is also acceptable.