Find and access recently published information and resources.
New BRANZ resources and publications
New evaluation method published
EM7 Performance of mid-rise cladding systems was published at the end of December. This evaluation method (EM7) represents a series of tests from AS/NZS 4284:2008 Testing of building facades, with specific nominated values for the performance levels.
Residential water use fact sheets
The first in a series of fact sheets about residential water use has been published. This first fact sheet examines residential water tariffs.
Roof ventilation fact sheets
Four new roof ventilation fact sheets have been published:
- Roof space ventilation in New Zealand houses, fact sheet 1;
- Testing the airtightness of residential roof spaces in three dwellings, fact sheet 2;
- Air permeability of common New Zealand ceilings and ceiling penetrations, fact sheet 3; and
- Moisture and ventilation in skillion roofs, fact sheet 4.
Changes to Building Code, Standards and legislation
Acceptable solutions and verification methods amendments - 30 November
The following acceptable solutions and verification methods have been amended as at 30 November 2018:
- B1/VM1: referencing a new standard for designing composite steel-concrete structures and a new technical specification for durability for steel structures.
- B2/AS1: now includes durability requirements for steel structures and components.
- E2/VM1 and E2/AS1: amended to include extra high wind zones, and clarification of testing requirements for weathertightness performance of claddings.
- G12/VM1, G12/AS1 and G12/AS2: references amended standards for jointing of common stainless steel pipework.
- G13/AS1, G13/AS2, G13/AS3 and G13/VM2: references an amended standard relating to testing of drains and inclusion of vacuum drainage systems.
Transition information: The previous acceptable solutions and verification methods will continue to comply until 31 March 2019 inclusive.
For more information on these amendments, see BC Update 243 (30 November 2018).
Other news and publications
WANZ changes to WGANZ
The Window Association of New Zealand (WANZ) is now the Window and Glass Association of New Zealand (WGANZ).
Safe work with precast concrete
Worksafe New Zealand has published a new set of guidelines called "Safe work with precast concrete". The guidelines offer advice on handling, transportation and erection of precast concrete elements in a safe manner.