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 Practice (COP), has been updated effective 1 October 2018.
Summary of Changes in this Update
In this update there are Category 1 - Minor Errata corrections only, for spelling and grammar - no clauses have been substantially revised, nor any recommendations altered.
19.18A Revision Detail - 2018 - October
| Category | Clause Number (at time of update) | Clause (As of current publication) | Details |
|---|---|---|---|
| 1 - Minor Errata | 1.5.1 | 1.5.1 Mediation | 1. Inserted "a" before settlement. 2.Corrected spelling of "available" in the second paragraph. |
| 1 - Minor Errata | 2.1 | 2.1 Definitions | General tidy up; Fix spelling: Intersection, surface, heights, dewpoint, six-sided, practitioners, seashore, rainwater, coatings, trademark, components, electromagnetic, skylight, sawtooth, embedded, cross-section, violently, stop end, fibreglass, change. Changed: Low Pitched 15° to 10°, and Pitch Roof 15° to 10°. Remove some extra spaces. Removed some commas. Inserted comma. Changed "newton" to "Newton". Reworked Pop Rivet definition. Removed semi-colon. UPdated "boot Flashings. |
| 1 - Minor Errata | 3.5.6 | 3.5.6 Section Properties | Moved paragraph: "Symmetrical corrugate or trapezoidal profiles have the advantage of being more easily curved around a radius. Because the ribs are necessarily close together, they have the disadvantage of roof traffic loads having to be spread over two crests or along the purlin line, and they have a lower run-off capacity." |
| 1 - Minor Errata | 3.5.8 | 3.5.8 Continuity | Updated Drawing. Arrows were not displaying correctly. |
| 1 - Minor Errata | 3.6.1 | 3.6.1 Point Load | Removed empty paragraph spacing |
| 1 - Minor Errata | 4.9.3 | 4.8.3 Graffiti Removal | Fixed typo "Grafitti" |
| 1 - Minor Errata | 4.10.3 | 4.9.4 Compatibility Table | Inserted "online" in the description of the online interactive tool. |
| 1 - Minor Errata | 4.11.6 | 4.10.6 Capillary Action | Typo — Changed 80 to 8°. |
| 1 - Minor Errata | 4.11.8 | 4.10.8 Microcracking | Replaced drawings a through to e |
| 1 - Minor Errata | 5.7 | 5.7 Downpipes | Replaced drawing "Collecting Rainwater" |
| 1 - Minor Errata | 6 | 6 External Moisture Overview | Fixed typo: "conductionand" to "conduction and" |
| 1 - Minor Errata | 9.3.3 | 10.12.1 Cold Roofs | fixed typo: inserted " is ..." |
| 1 - Minor Errata | 9.5 | 10.11 Underlay | 1. Added new new photo – 9.5C Condensation on Synthetic Underlay. 2. Typo: corrected spelling of 9.5B "Condesation.." to "Condensation" |
| 1 - Minor Errata | 9.5.5 | 10.7.5 Non-Residential Buildings | Fixed typo: deleted extra "in" |
| 1 - Minor Errata | 10 | 11 Natural Light | Fixed typos: "thermal", "installation" and "available" |
| 1 - Minor Errata | 10.1 | 11.1 Clause G7 NZBC | Fixed typos: "through", "enough" |
| 1 - Minor Errata | 10.2 | 11.2 Natural Light Materials | Fixed typos: "a varying mass" and "square" |
| 1 - Minor Errata | 10.3 | 11.3 Types Of Roof Lights | Fixed typos: "single" and removed extra space after comma. |
| 1 - Minor Errata | 10.5 | 11.5 Weathering And Durability | Fixed typo: "not" |
| 1 - Minor Errata | 13.1.2 | 14.17 Turndowns (Drip Forming or Drip Edging) | changed "downturns" to "Turn-downs" and inserted "drip forming or drip edging" in the heading. |
| 1 - Minor Errata | 13.3.3 | 14.13.2 Screws | 1. Fixed typos: "hardwoods", 2. Fixed broken links" "Fastener Performance" and "Secret Fixing Clips" |
| 1 - Minor Errata | 13.5.3 | 14.5.3 Expansion Fixings | Fixed link: "favourable conditions for expansion" |
| 1 - Minor Errata | 14.1.5 | 15.1.5 Purlin Spacing | Fixed typo: "subjected", removed comma. |
| 1 - Minor Errata | 14.4.2.4 | 15.4.2.4 Types Of Joints | Removed unnecessary link: (See drawing 11.2.4) |
| 1 - Minor Errata | 16.1.3 | 17.1.3 Resistance for wind pressures | Replaced incorrect numbering reference (section 15.7) with correct link (Wind and Point Load Testing) |
| 1 - Minor Errata | 16.2 | 17.2 Background to Scope | Corrected heading "Commentary on 16.1" |
| 1 - Minor Errata | 16.4 | 17.4 Commentary On 16.3 | Corrected heading: "Commentary On 16.3" |
| 1 - Minor Errata | 16.9 | 17.9 Background to wind load testing | Corrected heading: "Commentary On Section 16.6" |