Code of Practice v3.0 Online
The NZ Metal Roof and Wall Cladding Code of Practice is a comprehensive design & installation guide, and a recognised related document for Acceptable Solution E2/AS1 of the NZ Building Code.
The NZ Metal Roof and Wall Cladding Code of Practice is a comprehensive design & installation guide, and a recognised related document for Acceptable Solution E2/AS1 of the NZ Building Code.
The following revisions to the NZ Metal Roof and Wall Cladding Code of Practice were published on 1 June 2022.
Revised clauses:
Clause 15.4 Standing Seam Cladding and all its sub-clauses were comprehensively revised for this update.
Change in recommendation:
The rest of the updates consisted of minor changes, grammar fixes, and minor edits to improve clarity.
Category | Clause Number (at time of update) | Clause (As of current publication) | Details |
---|---|---|---|
3 - Substantial change to recommendation | 3.2 | 3.20 Aluminium Fastening Pattern Tables | Corrected minimum depth of corrugated aluminium to 17 mm instead of 27 mm. Added H36 to the headings for correct identification and product selection. |
3 - Substantial change to recommendation | 7.1.1 | 7.1.1 Minimum Roof Cladding Pitch | Added corrugated profiles with a height of more than 35 mm to 7.1.1A Minimum Pitch for Generic Metal Roofing. |
3 - Substantial change to recommendation | 8.3 | 8.3 Flashing Cover | Increased recommended cover for 8.3E Barge Flashing Cover — Trapezoidal and Secret Fixed and 8.3G Barge Flashing Cover — Corrugate Category C from 50 mm to 75 mm. |
3 - Substantial change to recommendation | 15.4 | 15.4 Standing Seam Cladding | The entire clause 15.4 Standing Seam Cladding, including all sub-clauses, had been revised. |
3 - Substantial change to recommendation | 15.4.3 | 15.4.1 Standing Seam Materials | This sub-clause has been entirely revised as part of the revision of the main clause 15.4 Standing Seam Cladding. |
4 - Clause Inserted | 15.4.2 Standing Seam Profiles | New clause, inserted as part of a comprehensive revision of 15.4 Standing Seam Cladding. | |
4 - Clause Inserted | 15.4.3 Standing Seam Fixings | New clause, inserted as part of a comprehensive revision of 15.4 Standing Seam Cladding. | |
4 - Clause Inserted | 15.4.4 Standing Seam End Laps | New clause, added as part of the comprehensive revision of 15.4 Standing Seam Cladding. | |
4 - Clause Inserted | 15.4.5 Sarking | New clause, introduced as part of a comprehensive revision of 15.4 Standing Seam Cladding. | |
4 - Clause Inserted | 15.4.6 Standing Seam Ventilation | New clause, introduced during a comprehensive review of 15.4 Standing Seam Cladding. | |
4 - Clause Inserted | 15.4.7 Standing Seam Roofing Wind Loads | New clause, introduced during comprehensive revision of 15.4 Standing Seam Cladding. | |
4 - Clause Inserted | 15.4.8 Penetrations on Standing Seam Cladding | New clause, introduced during a comprehensive review of 15.4 Standing Seam Cladding. | |
4 - Clause Inserted | 15.4.9 Canning and Purlin Creasing | New clause, introduced as part of a comprehensive revision of 15.4 Standing Seam Cladding. | |
4 - Clause Inserted | 15.4.10 Installing Standing Seam Cladding | New clause, introduced as part of a comprehensive revision of 15.4 Standing Seam Cladding. | |
4 - Clause Inserted | 15.4.10.1 Standing Seam Cladding Set Out | New clause, introduced a during a comprehensive revision of 15.4 Standing Seam Cladding. | |
4 - Clause Inserted | 15.4.10.2 Provision for Expansion — Standing Seam Cladding | New clause, introduced during a comprehensive revision of 15.4 Standing Seam Cladding. | |
4 - Clause Inserted | 19.1 | 19.3 2022 – June | Revision message June – 2022. |
2 - Editing and rearrangement | 1 | 1 Introduction | Update Revisions Message |
2 - Editing and rearrangement | 3.18 | 3.18 G550 Steel Cladding Fastening Pattern Tables | Edited table headings for improved readability. Inserted a table explaining wind speed as per NZS 3604. |
1 - Minor Errata | 9.4.2.3 | 9.4.2.3 Cricket Back Curbs | Grammar fix. Rewrote the last sentence. |
1 - Minor Errata | 17.1.2.2.3 | 17.1.2.2.3 Number of Spans | Clarification. |
0 - Clause Removed | 15.4.1 | Self-Supporting Cladding | Clause removed during a comprehensive revision of 15.4 Standing Seam Cladding. The subject is now discussed through various new sub-clauses. |
0 - Clause Removed | 15.4.2 | Fully Supported Roof And Wall Cladding | Clause removed during a comprehensive revision of 15.4 Standing Seam Cladding. For information about the subject, see 15.4.5 Sarking. |
0 - Clause Removed | 15.4.2.1 | Types | Clause removed as part of the overall revision of 15.4 Standing Seam Cladding. |
0 - Clause Removed | 15.4.2.2 | Traditional Architectural Metal Panels | Clause removed as part of the overall revision of 15.4 Standing Seam Cladding. |
0 - Clause Removed | 15.4.2.3 | Long Length Strip Roof Cladding | Clause removed as part of the overall revision of 15.4 Standing Seam Cladding. |
0 - Clause Removed | 15.4.2.4 | Types Of Joints | Clause removed as part of the overall revision of 15.4 Standing Seam Cladding. |
0 - Clause Removed | 15.4.2.5 | Standing Seam | Clause removed as part of the overall revision of 15.4 Standing Seam Cladding. |
0 - Clause Removed | 15.4.2.6 | Angled Seam | Clause removed as part of the overall revision of 15.4 Standing Seam Cladding. |
0 - Clause Removed | 15.4.2.7 | Roll Cap | Clause removed as part of the overall revision of 15.4 Standing Seam Cladding. |
0 - Clause Removed | 15.4.2.8 | Transverse Laps | Clause removed as part of the overall revision of 15.4 Standing Seam Cladding. |
0 - Clause Removed | 15.4.3.1 | Copper | Clause removed as part of the overall revision of 15.4 Standing Seam Cladding. For information about this material, see 4.16.5 Copper. |
0 - Clause Removed | 15.4.3.2 | Zinc | Clause removed as part of the complete revision of 15.4 Standing Seam Cladding. For information about this material see 4.16.4 Zinc. |
0 - Clause Removed | 15.4.3.3 | Aluminium | Clause removed as part of the complete revision of 15.4 Standing Seam Cladding. For information about this material see 4.16.3 Aluminium. |
0 - Clause Removed | 15.4.3.4 | Stainless Steel | Clause removed as part of the complete revision of 15.4 Standing Seam Cladding. Information about this material can be found at 4.16.2 Stainless Steel. |
0 - Clause Removed | 15.4.3.5 | Coated Steel | Clause removed as part of the revision of 15.4 Standing Seam Cladding, information about this product is still available in 4.16.1 Steel. |
0 - Clause Removed | 15.4.4 | Loadings | Clause removed as part of the overall revision of 15.4 Standing Seam Cladding. |
0 - Clause Removed | 15.4.4.1 | Fixing | Clause removed as part of the overall revision of 15.4 Standing Seam Cladding. |
0 - Clause Removed | 15.4.4.2 | Substrate | Clause removed as part of the overall revision of 15.4 Standing Seam Cladding. |
0 - Clause Removed | 15.4.4.3 | Fasteners | Clause removed as part of the overall revision of 15.4 Standing Seam Cladding. |
0 - Clause Removed | 15.4.5 | Underlay | Clause removed during a comprehensive revision of 15.4 Standing Seam Cladding. Information about underlay can be found in 10.11 Underlay. |
0 - Clause Removed | 15.4.6 | Ventilation | Clause removed during a comprehensive revision of 15.4 Standing Seam Cladding. The subject is now discussed in 15.4.6 Standing Seam Ventilation. |
0 - Clause Removed | 15.4.7 | Drainage | Clause removed during a comprehensive revision of 15.4 Standing Seam Cladding. For information about drainage, see 5 Roof Drainage . |
0 - Clause Removed | 15.4.7.1 | Valleys | Clause removed as part of the overall revision of 15.4 Standing Seam Cladding. |
0 - Clause Removed | 15.4.8 | Facade Cladding | This clause was removed during a comprehensive revision of 15.4 Standing Seam Cladding. The subject is now discussed through various other sub-clauses. |
0 - Clause Removed | 15.4.9 | Edge Finishes | This clause was removed during a comprehensive revision of 15.4 Standing Seam Cladding, please see the new sub-clause 15.4.4 Standing Seam End Laps. |
0 - Clause Removed | 15.4.9.1 | Ridge And Hip | Clause removed as part of the overall revision of 15.4 Standing Seam Cladding. |
0 - Clause Removed | 15.4.9.2 | Apron Or Abutment | Clause removed as part of the overall revision of 15.4 Standing Seam Cladding. |
0 - Clause Removed | 15.4.9.3 | Eaves And Verge | Clause removed as part of the overall revision of 15.4 Standing Seam Cladding. |
0 - Clause Removed | 15.4.9.4 | Penetrations | Clause removed as part of the overall revision of 15.4 Standing Seam Cladding. |
0 - Clause Removed | 15.4.9.5 | Cappings | Clause removed as part of the overall revision of 15.4 Standing Seam Cladding. |
0 - Clause Removed | 15.4.10 | Durability | Clause removed during a comprehensive revision of 15.4 Standing Seam Cladding. For durability issues, see 15.4.10 Durability. |
0 - Clause Removed | 15.4.10.1 | Patina Formation | Clause removed as part of the overall revision of 15.4 Standing Seam Cladding. |
0 - Clause Removed | 15.4.10.2 | Copper Patination | Clause removed as part of the overall revision of 15.4 Standing Seam Cladding. |
0 - Clause Removed | 15.4.10.3 | Zinc Patination | Clause removed as part of the overall revision of 15.4 Standing Seam Cladding. |