The roofing association of new zealand ranz represents over 300 nz roofing member businesses nationwide.
Roofing standards nz.
The contents of this code of practice are relevant to other countries.
The new zealand roof and wall cladding code of practice has been written for new zealand conditions that recognize it as an unique island 2 000 km away from another major land mass which is subject to high rainfall high humidity extremes of weather and high winds.
Ranz works on behalf of its members to develop industry communication regulation training and more for improvement in housing quality and the industry as a whole.
There are several european en or iso standards which cover the same properties and which are similar to as or as nzs but since metal roofing is such a major aspect of all types of building in new zealand and australia compared to europe and since we are in new zealand not europe we only use australasian standards.
Ranz members have passed strict criteria to gain membership status.
The new zealand building code sets the minimum performance parameters for the design and construction of roofs.
Article for new zealand metal roofing manufacturers magazine 18 november 2016.