Latest updates

Building CodeHub resources update – March 2026

Resources added/updated in BCH in March 2026 include:
• MBIE new and updated resources – Product certificates (CodeMark), Determinations and a MultiProof certificate.
• BRANZ new and updated resources – Appraisals.

Resources removed from BCH in March 2026:
• BRANZ Appraisals - withdrawn.

The following resources have been added to Building CodeHub:

MBIE Product Certificates (CodeMark) - new, re-issued and revised:

• CMNZ30028 version: K - Thermakraft Covertek 407 Roof and Wall Underlay
• CMNZ70157 version: 1 - CORE CodeMark Protim Micro Dryframe Structural Timber
• CMNZ10019 version: 4 - Hiandri Bottom Plate Packers
• CMNZ70162 version: 1  - saveBOARD betterBRACE and betterBRACE 4Steel
• CMNZ70211 version: 0 - STRUCTAflor
• CMNZ70082 version: 3 - RK Vertical 45mm
• CMNZ70083 version: 3 - RK Vertical 20mm
• CMNZ25004 version: 2 - ALPOLIC™ FR
• CMNZ70200 version: 0 - Trex® Decking
• CMNZ70080 version: 3 - RK Board & Batten
• CMNZ70081 version: 3 - RK Horizontal

MBIE Determinations new and updated:

• 2024/047: An authority’s decision to issue a notice to fix for a change of use of a house - updated
• 2026/004: An authority’s decision to issue two notices to fix for building work carried out without consent - updated
• 2026/006: The decision to issue two notices to fix for building work carried out without a building consent
• 2026/007: The issue of a building consent, failure to issue a notice to fix, and compliance of proposed work with Clause B1
• 2026/008: The authority’s decision to issue a notice to fix for a building constructed without building consent
• 2026/009: An authority’s decision to issue a notice to fix for building work at a residential property 
• 2026/010: An authority’s decision to refuse to remove a section 72 entry following subdivisions

MBIE MultiProof certificates:

• A-20093: Home Builders NZ Limited - HBN 25001 70SQM

BRANZ Appraisals - new, re-issued and amended:

• Appraisal number 814 (2026) - Mitten Cambridge and Cedarline Vinyl Claddings
• Appraisal number 462 (2021) - Shelterseal Damp-Proof Membranes
• Appraisal number 690 (2022) - Two Storey Brick Veneer System
• Appraisal number 819 (2024) - Soprema Roofing Membrane Systems
• Appraisal number 1009 (2023) - Snug Insulation
• Appraisal number 1010 (2023) - Snug Underfloor Insulation
• Appraisal number 1286 (2025) - Seratone® AQUA PLUS® Wall and Ceiling Linings

The following resources have been removed from Building CodeHub:

BRANZ Appraisals - withdrawn:

• Appraisal number 1171 (2021) - Eproducts Penetration Seal
• Appraisal number 520 (2024) - Nova-SK, Novaflex and Polibit Roof and Deck Waterproofing Membranes

Notification date: 2 April 2026