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 following updates to the NZ Metal Roof and Wall Cladding Code Practice (COP), are effective 1 March 2020.
This update contains only minor revisions, mostly concerning grammar and punctuation fixes.
Editing and rearrangement for clarity
- Corrected "upstand angles" of valleys to 90°, removed "Upstand Angles" from Internal Valley Angle Table.
- Replaced Comparison of 10-Minute Published Intensity with 1-Minute and 2-Minute Intensities-chart with a simplified chart only showing comparison for 10-year and 50-year ARI.
19.4A Revision Detail - 2020 - March
| Category | Clause Number (at time of update) | Clause (As of current publication) | Details |
|---|---|---|---|
| 2 - Editing and rearrangement | 1 | 1 Introduction | Update Revisions Message |
| 1 - Minor Errata | 5.2 | 5.2 Types of Gutter | Easier to read layout options. |
| 1 - Minor Errata | 5.2.1 | 5.2.1 External Gutters (Spouting) | Grammar fix. |
| 1 - Minor Errata | 5.2.3 | 5.2.3 Internal Gutters | Grammar fix. |
| 2 - Editing and rearrangement | 5.2.4.2 | 5.3.2 Valley Design | Removed references to "Upstand Angle B" and replaced drawing "Common Valley Shapes" |
| 1 - Minor Errata | 5.2.4.6 | 5.3.6 Asymmetrical Valleys | Punctuation fix. |
| 1 - Minor Errata | 5.3.1 | 5.4.1 Rainwater Heads | Punctuation fix. |
| 1 - Minor Errata | 5.3.2 | 5.4.2 Sumps | Typo fix. |
| 1 - Minor Errata | 5.4 | 5.5 Outlets and Downpipes | Punctuation fix. |
| 1 - Minor Errata | 5.5.3 | 5.6.3 Gutter Maintenance | Minor Typo Fix. |
| 1 - Minor Errata | 5.6.2 | 5.7.2 Gutter Fall | Typo fix. |
| 1 - Minor Errata | 5.6.3.1 | 5.7.3.1 Duration | Replaced comparison chart with a simplified one. |
| 1 - Minor Errata | 8.9.1 | 8.9.1 Flashing Expansion | Grammar fix. |