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 December 2021.
Summary of Changes in this update:
The rest of this update comprises minor edits and fixes.
Category | Clause Number (at time of update) | Clause (As of current publication) | Details |
---|---|---|---|
3 - Substantial change to recommendation | 3.17.1 | 3.17.1 Corrugated Steel – 0.40 | Drawing edited to change C2 recommendation to stay below Very High. |
3 - Substantial change to recommendation | 3.17.2 | 3.17.2 Corrugated Steel – 0.55 | Changed recommendation for C2, to only be used below Very High Wind Zones. |
3 - Substantial change to recommendation | 4.10.3 | 4.10.3 Solar Collectors and Other Roof Mounted Structures | Clause has been completely revised. |
3 - Substantial change to recommendation | 8.8 | 8.8 Flashing Buckling | Changed recommended minimum moisture content to 12% following advice from Scion . |
3 - Substantial change to recommendation | 12.1 | 12.1 Roof Noise | This clause has been substatially revised. Some-subsections have been promoted to headings and some had been deleted a part of the revision. |
4 - Clause Inserted | 12.1.1 Wind Noise | New clause, raised and revised from former sub-sub clause of Roof Noise. | |
4 - Clause Inserted | 12.1.2 Precipitation Noise | Newly created clause from the revised Roof Noise. | |
4 - Clause Inserted | 12.1.3 Thermal Noise | New clause, information elevated from the revised Roof Noise. | |
4 - Clause Inserted | 19.5 2021 – December | Revision message for the 1 December 2021 Update. | |
2 - Editing and rearrangement | 1 | 1 Introduction | Update Revisions Message |
2 - Editing and rearrangement | 5.3.7 | 5.4.7 Gutter Capacity Calculator | All calculators now require input of both 50 year and 10 year ARI. |
2 - Editing and rearrangement | 5.4.7 | 5.5.7 Valley Capacity Calculator | All calculators now require input of both 50 year and 10 year ARI. |
2 - Editing and rearrangement | 5.6.3 | 5.7.3 Downpipe Capacity Calculator | All calculators now require input of both 50 year and 10 year ARI. |
2 - Editing and rearrangement | 5.7.1 | 5.8.1 Maximum Area Above Spreader Calculator | All calculators now require input of both 50 year and 10 year ARI. |
2 - Editing and rearrangement | 7.1.4 | 7.1.4 Maximum Run Calculator | All calculators now require input of both 50 year and 10 year ARI. |
2 - Editing and rearrangement | 9.4.4 | 9.4.4 Maximum Area Above Penetration Calculator | All calculators now require input of both 50 year and 10 year ARI. |
1 - Minor Errata | 1.3 | 1.3 Standards and Related Documents | Fixed column spacing. |
1 - Minor Errata | 2.1 | 2.1 Definitions | Clarified definitions for tray, trough, standing seam, and secret fixed profiles. |
1 - Minor Errata | 3.6.2 | 3.6.2 Roof Traffic | Changed "trademan" to trades people for gender neutrality. |
1 - Minor Errata | 3.18 | 3.18 G550 Steel Cladding Fastening Pattern Tables | Fixed grammar for consistency. Fixed drawings to show C2 fastening pattern. |
2 - Editing and rearrangement | 4.6.2 | 4.6.2 Environmental Guides | Envrinmental guides redone for improved display on all browers. |
1 - Minor Errata | 15.1 | 15.1 Curved Roofs | Grammar fix. |
1 - Minor Errata | 16.8 | 16.8 Overpainting | slight formatting change for improved reading. |