Latest updates
Building CodeHub resources update – August 2026
Resources added/updated in BCH in August 2026 include:
• MBIE new and updated resources – Product certificates (CodeMark), Determinations and a MultiProof approval.
• BRANZ new and updated resources – Appraisals and Bulletins.
Resources removed from BCH in August 2026:
• BRANZ Appraisal - withdrawn.
The following resources have been added to Building CodeHub:
MBIE Product Certificates (CodeMark) - new, re-issued and revised:
- CMNZ70046 version: 3 - Abodo Weatherboard Cladding System
- CMNZ25019 version: 0 - Superhouse aluminium windows
- CMNZ70176 version: 1 - Viking Enviroclad Sure-Weld TPO Waterproofing Membrane
MBIE Determinations:
- 2026/025: An authority’s decision to issue a code compliance certificate for a detached dwelling and detached shed
- 2026/026: An authority’s decision to issue a notice to fix for a change of use of a unit
- 2026/027: The compliance of a pool and associated pool deck with Building Code Clause F4 Safety from falling
- 2026/028: An authority’s decision to refuse to provide written notice under s115 for a change of use
- 2026/029: An authority’s decision to issue a notice to fix in relation to compliance schedule obligations
- 2026/030: Compliance of a Unit without a Type 4 fire alarm system
MBIE MultiProof Approval:
BRANZ Appraisals - new, re-issued and amended:
- Appraisal number 1166 (2021) - Allco Warm Roof System
- Appraisal number 722 (2026) - KOROK® External Wall Systems
- Appraisal number 913 (2026) - DynaFlash Flashings
- Appraisal number 1167 (2026) - Ventia Platinum Plus Heavy Duty Roof and Wall Underlay
- Appraisal number 550 (2025) - Nu-Wall Cladding System - Horizontal on Cavity (HOC)
- Appraisal number 556 (2025) - Nu-Wall Cladding System - Vertical Direct Fixed (VDF)
- Appraisal number 870 (2025) - Nu-Wall Cladding System - Vertical on Cavity (VOC)
- Appraisal number 1018 (2024) - REHAU uPVC Windows and Doors
- Appraisal number 809 (2024) - RAUPIANO PLUS Acoustic Plumbing and Drainage System
- Appraisal number 1312 (2026) - Proroc NZ Plasterboard Wall Partitions
- Appraisal number 1314 (2026) - Akera Horizontal Shiplap Weatherboard Cladding
BRANZ Bulletins
- BU706 - H1 Calculation method - housing, and buildings up to 300 m2
- BU707 - Restoring a home after flood damage
Resources removed from Building CodeHub:
BRANZ Appraisals - withdrawn:
- Appraisal number 591 (2024) - One Piece Sill Tape Flexible Flashing
Notification date: 1 September 2026