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), is effective 1 February 2019.
In this update, no recommendations have been altered that would require changes to existing projects in progress.
Summary of Changes in this Update
- Two new clauses were added in 3 Structure to discuss 3.13 Material Grade and 3.14 Material Thickness.
- Two new, separate, clauses under 4.16 Clearances, discuss 4.16.1 Ground Clearance and related 4.16.2 Site Management in more detail.
- Clauses dealing with 3.12.1 Screw Fasteners fixing to specific purlin types re-ordered for clarity.
- New drawing to show recommended 9.4A Recommended Penetration Type Positioning.
- Other updates consist of Category 1 – minor errata corrections to spelling, and grammar and layout.
|Category||Clause Number (at time of update)||Clause (As of current publication)||Details|
|2 - Editing and rearrangement||3.12.1||3.12.1 Screw Fasteners||Clauses dealing with fixing to specific purlin types re-ordered for clarity.|
|1 - Minor Errata||3.13.1||3.15.1 Corrugate Profile||Minor grammatical editing for clarity.|
|1 - Minor Errata||3.14.3||3.16.3 Maximum Spans for Corrugate Wall Cladding||Heading says 0.40 mm but Table is .40 and .55. So remove .40 from heading|
|1 - Minor Errata||4.6.1||4.6.1 Assessment of Marine Environments||Removed full stop from the heading.|
|2 - Editing and rearrangement||4.8.1||4.8.1 Lichen||Resized photo (4.8.1A Lichen on a Metal Roof) and inserted photo (4.8.1B Permanent Damage from Lichen Growth.|
|2 - Editing and rearrangement||4.15||4.15 Swarf Staining and Cut Edge Corrosion||Renamed clause. Resized photos and inserted new photo ( 4.15D Cut Edge Corrosion )|
|1 - Minor Errata||4.17.3||4.17.3 Aluminium||fixed spelling of "quaters" to quarters|
|1 - Minor Errata||184.108.40.206||220.127.116.11 Top Coat and Backer||0|
|1 - Minor Errata||5.3.1||5.3.1 Catchment Area||Removed (Optional Caption) from 5.3.1A Wind-effect on Rain|
|1 - Minor Errata||6.1.1||6.1.1 E2 Objective||Set format as Block Quote|
|1 - Minor Errata||6.1.2||6.1.2 E2 Functional Requirement||Format as block Quote.|
|1 - Minor Errata||6.3||6.3 Related Topics||Changed link "Internal Moisture" to "Roof Ventilation.|
|2 - Editing and rearrangement||9.5.6||18.104.22.168 Sheetmetal Flashings on Corrugated Profiles||Revised and renamed clause.|
|1 - Minor Errata||14.5.1||14.23.1 Crest Fixing||Corrected minimum embedment into soft wood from 35mm to 30mm aligning with E2/AS1 and other reference in 22.214.171.124 Timber Purlins|