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 April 2022.
Change in recommendation:
4.9.1 Dissimilar Metals: Gutters and spouting made from materials which are incompatible with the roof cladding to include special provisions such as a gap between spouting and fascia, using leaf deflectors, and considering low fronted spouting.
Revised clauses:
The rest of the updates consisted of minor changes, editing, and new drawings for 14 Installation, without any changes in recommendations.
Category | Clause Number (at time of update) | Clause (As of current publication) | Details |
---|---|---|---|
3 - Substantial change to recommendation | 4.9.1, 4.10.1 | 4.9.1 Dissimilar Metals | Change of recommendation for spouting and roof cladding made from incompatible material. |
3 - Substantial change to recommendation | 8.3 | 8.3 Flashing Cover | Clause has been completely revised. |
3 - Substantial change to recommendation | 10.1 | 10.10 Ventilation Pathways | Clause revised for clarity. |
2 - Editing and rearrangement | 1 | 1 Introduction | Update Revisions Message |
1 - Minor Errata | 2.1, 2.1 | 2.1 Definitions | Added defintion for SED Wind Zone. |
2 - Editing and rearrangement | 3.15, 3.13 | 3.15 Profile Shape | Inserted new Drawing: Profile Types – |
2 - Editing and rearrangement | 5.3.7 | 5.4.7 Gutter Capacity Calculator | Enabled Profile Description Field to describe product. |
1 - Minor Errata | 5.4.7 | 5.5.7 Valley Capacity Calculator | Standardise internal structure - no user facing or operational changes. |
1 - Minor Errata | 5.6.3 | 5.7.3 Downpipe Capacity Calculator | Standardise internal structure - no user facing or operational changes. |
2 - Editing and rearrangement | 5.7.1 | 5.8.1 Maximum Area Above Spreader Calculator | Enabled Profile Description Field to describe product. |
2 - Editing and rearrangement | 7.1.4 | 7.1.4 Maximum Run Calculator | Enabled Profile Description Field to describe product. |
2 - Editing and rearrangement | 8.3.2 | 8.2.1 Flashing Edges | Copy moved from 8.3 Flashing Cover to this clause. |
4 - Clause Inserted | 8.3.1 Apron Upstands | New clause created from 8.3 Flashing Cover. | |
4 - Clause Inserted | 8.3.2 Clearances | New clause created from 8.3 Flashing Cover. | |
4 - Clause Inserted | 8.3.3 Ridging and Other Transverse Flashings | New clause created from 8.3 Flashing Cover. | |
1 - Minor Errata | 8.4.4.4 | 8.4.4.4 Eaves Flashing | Corrected reference typo E1/AS1 to E2/AS1. |
2 - Editing and rearrangement | 9.4.4 | 9.4.4 Maximum Area Above Penetration Calculator | Enabled Profile Description Field to describe product. |
1 - Minor Errata | 10.10.1.2 | 10.10.1.2 Fascia Vents | Grammar fix. |
4 - Clause Inserted | 10.10.1.4 Vented Soft Edge | New clause. | |
2 - Editing and rearrangement | 10.10.1 | 10.10.1 Methods of Ventilation | Clause renamed. |
1 - Minor Errata | 10.10.2 | 10.10.2 Battens | Grammatical fix for clarity. |
4 - Clause Inserted | 10.10.3 Applied Fleeces | New Clause. | |
2 - Editing and rearrangement | 14.13.2 | 14.13.2 Screws | Updated drawings: 14.13.2D Screw Gauge and 14.13.2E Threads per Inch (TPI). |
2 - Editing and rearrangement | 14.16 | 14.16 Stop-ends | Drawings updated: 14.16A Dog-eared Stop-ends, 14.16B Pull-up Stopends, and 14.16C Corrugate Stop-ends. |
2 - Editing and rearrangement | 14.17 | 14.17 Turndowns (Drip Forming or Drip Edging) | UPdated drawing: 14.17A Profile Turndown |
2 - Editing and rearrangement | 14.19.1 | 14.19.1 Roof Cladding Damage | Drawing updated: 14.19.1A Sealed and Riveted Saddle |
2 - Editing and rearrangement | 14.3.1 | 14.3.1 Unloading | Drawing updated: 14.3.1A Sling with Spreader Bar. |
2 - Editing and rearrangement | 14.6 | 14.6 Walking On Roofs | Drawings updated: 14.6A Walking in the Pan and 14.6B Spreading Weight over two Ribs. |
4 - Clause Inserted | 19.4 2022 – April | Revision message – April 2022. | |