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.
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.
Objective
NZBC G7 aims to safeguard people for illness or loss of amenity due to isolation from natural light and the outside environment.
Funtional Requirements
Habitable spaces shall provide adequate openings for natural light and visual awareness of the outside environment.
Performance
Natural light shall provide an illuminance of no less than 30 lux at floor level 75% of the standard year.
Openings to give awareness of the outside shall be provided in suitable locations.
The NZ Building Code G7.2 requires adequate natural light and an awareness of the outside environment for housing, old people’s homes, and early childhood centres. In other buildings, natural light is often used to create ambience and reduce the need for artificial lighting.
All plastic sheets used with profiled metal cladding in New Zealand must comply with the structural, durability, and external moisture requirements of the New Zealand Building Code.
All plastic sheeting should comply with the AS/NZS 4256 and AS 1562.3 and should be tested in accordance with the AS/NZS 4257.