Latest updates
Building CodeHub resources update – April 2026
Resources added/updated in BCH in April 2026 include:
• MBIE new and updated resources – Product certificate (CodeMark), H1 Acceptable Solutions and Verification Methods updated 27 November 2025, a Building Product Specifications document with new references and Determinations.
• BRANZ new and updated resources – Appraisals and the H1 calculation tool.
Resources removed from BCH in April 2026:
• MBIE Product Certificates (CodeMark) - withdrawn.
Resources added to Building CodeHub:
MBIE Product Certificates (CodeMark) - new, re-issued and revised:
- CMNZ70075 version: 4 - MASONS Flashing Tapes
- CMNZ70032 version: 4 - Nuraply 3PM Torch-on Membrane System
- CMNZ70190 version: 0 - IBS FIBRE® CTU, IBS FIBRE® Groove and IBS FIBRE® WAB
- CMNZ70205 version: 0 - Dimond Advanced Roofing Systems
H1 - Energy Efficiency Acceptable Solutions and Verification Methods - Amended 27 November 2025
- H1/AS1 (sixth edition): Energy efficiency for all housing, and buildings up to 300 m²
- H1/AS2 (second edition): Energy efficiency for buildings greater than 300 m²
- H1/VM1 (sixth edition): Energy efficiency for all housing, and buildings up to 300 m²
- H1/VM2 (second edition): Energy efficiency for buildings greater than 300 m²
Building Product Specifications document - updated with new additional references:
MBIE Determinations:
- 2026/011: Compliance of part of a pool barrier – a wall of a building with a bi-fold window – with Building Code Clause F9
- 2026/012: An authority’s decision to grant a building consent under section 72 on land that is subject to a natural hazard of slippage
- 2026/013: The compliance of part of a pool barrier with Building Code Clause F9
- 2026/014: An authority’s proposed decision to refuse a building consent with the reasons relating to the compliance of the bracing design with B1/AS1
- 2026/015: Compliance of a tiled bathroom floor with Building Code clause E3
BRANZ Appraisals - new, re-issued and amended:
- Appraisal number 611 (2026) - James Hardie Rigid Air Barriers
- Appraisal number 1095 (2026) - Hiandri Bottom Plate Packers
BRANZ Tool:
Resources removed from Building CodeHub:
MBIE Product Certificates (CodeMark) - withdrawn:
- CMNZ70144 - Quick 2 Seal
- CMNZ70051 - EMH Prefabricated Panel System (EMH System)
- CM70061 - The Newton® HydroBond® System