COP v3.0:revision-history; 2021-june

19.2 2021 – June 

The following updates to the NZ Metal Roof and Wall Cladding Code Practice (COP), are effective 1 June 2021.

COP Clauses 11 Natural Light and 14 Installation were comprehensively reviewed and revised for this update. Users are advised to reread those clauses for the most up-to-date information and recommendations.

Other updates included minor fixes to grammar, layout, and updated drawings and dividing 4.9.4 Compatibility Table into smaller, more usable clauses (with no change to recommendations).
 

19.2A Revision Detail - 2021 - June

CategoryClause Number (at time of update)Clause (As of current publication)Details
2 - Editing and rearrangement11 IntroductionUpdate Revisions Message
1 - Minor Errata3.5.23.5.2 Wind LoadSome rewording for clarity.
1 - Minor Errata4.10.14.9.1 Disimilar MetalsEditing for clarity.
2 - Editing and rearrangement4.10.34.9.4 Compatibility TableThe clause was split for ease of use.
3 - Substantial change to recommendation5.2.2.25.2.2.2 Allowance for Short-Term IntensitiesUpdated Short-term Intensity Factor Explanation.
1 - Minor Errata5.4.25.4.2 Valley DesignUPdated link to the Valley Capacity Calculator.
2 - Editing and rearrangement8.4.4.48.4.4.4 Eaves FlashingInserted a paragraph recommending eaves flashings in Marine Environments.
2 - Editing and rearrangement10.910.9 Minimising Ingress of Water Vapour into the Ceiling CavityClause renamed and revised for clarity.
3 - Substantial change to recommendation1111 Natural LightCOP Clause 11.  Natural Light has been completely revised.
3 - Substantial change to recommendation11.111.1 Clause G7 NZBCCOP Clause 11. Natural Light has been entrile revised.
3 - Substantial change to recommendation11.211.2 Natural Light MaterialsCOP clause 11. Natural Light has been revised, which includes the clause previously titled "Materials".
0 - Clause Removed11.3Types Of Roof LightsThis clause was removed as part of an overall revision of COP clause 11. Natural Light. Illustration of different rooflights can be found in Thermal Expansion and
3 - Substantial change to recommendation11.411.5 Light TransmissionClause has been revised as part of an overall revision of COP Clause 11. Natural Light.
0 - Clause Removed11.5Weathering And DurabilityThis clause has been removed as part of an overall revision of COP Clause 11. Natural Light. Information about translucent sheeting durability can now be found at Natural Light Performance - Durability,
3 - Substantial change to recommendation11.611.3 Performance – StructureClause renamed and content added.
2 - Editing and rearrangement11.6.111.3.1 Point Load on Translucent SheetsClause revised and renamed as part of the overall revision of COP Clause 11. Natural Light.
2 - Editing and rearrangement11.6.211.3.2 Distributed Loads on Translucent SheetingClause revised and renamed as part of the overall revision of COP Clause 11. Natural Light.
3 - Substantial change to recommendation11.711.4 Thermal ResistanceClause has been revised as part of an overall revision of COP Clause 11. Natural Light.
3 - Substantial change to recommendation1414 InstallationCOP Clause 14. Installation has been significantly reviewed and revised.
1 - Minor Errata14.114.11 OverhangDrawing tidy up.
3 - Substantial change to recommendation14.114.1 Pre- InstallationThis clause has been revised as part of an overall revision of COP Clause 14. Installation.
3 - Substantial change to recommendation14.2.214.2.2 OrderingThis clause has been reviewed as part of a substantial revision of COP Clause 14. Installation.
3 - Substantial change to recommendation14.2.314.2.3 TransportationThis clause has been reviewed as part of a substantial revision of COP Clause 14. Installation.
3 - Substantial change to recommendation14.314.3 Accepting DeliveryThis clause has been reviewed as part of a substantial revision of COP Clause 14. Installation.
3 - Substantial change to recommendation14.3.114.3.1 UnloadingThis clause has been reviewed as part of a substantial revision of COP Clause 14. Installation.
3 - Substantial change to recommendation14.3.214.3.2 Wet Storage DamageThis clause has been reviewed as part of a substantial revision of COP Clause 14. Installation.
3 - Substantial change to recommendation14.614.6 Walking On RoofsThis clause has been reviewed as part of a substantial overall revision of COP Clause 14. Installation.
3 - Substantial change to recommendation14.6.114.6.1 FootwearThis clause has been reviewed as part of a substantial revision of COP Clause 14. Installation.
3 - Substantial change to recommendation14.714.7 Strippable FilmsThis clause has been reviewed as part of a substantial revision of COP Clause 14. Installation.
4 - Clause Inserted14.7.114.7.1 Storing Product with Strippable FilmThis clause has been removed as part of a substantial revision of COP Clause 14. Installation. For handling and storage of products with strippable film, please see Strippable Films.
0 - Clause Removed14.7.2Using Strippable FilmThis clause has been removed as part of a substantial revision of COP Clause 14. Installation. For using and handling products with strippable film, please see Strippable Films.
1 - Minor Errata14.914.10 Marking and CuttingThis clause has been reviewed as part of a substantial revision of COP Clause 14. Installation.
2 - Editing and rearrangement14.12.214.13.2 ScrewsAdded "Reduced Diameter Drill Point" to Screw Points. This clause has been reviewed as part of a substantial revision of COP Clause 14. Installation.
1 - Minor Errata14.12.314.13.3 Clip FastenersThis clause has been reviewed as part of a substantial revision of COP Clause 14. Installation.
3 - Substantial change to recommendation14.12.414.13.4 RivetsThis clause has been reviewed as part of a substantial revision of COP Clause 14. Installation.
1 - Minor Errata14.1314.14 Fastener InstallationThis clause has been reviewed as part of a substantial revision of COP Clause 14. Installation.
4 - Clause Inserted14.1514.16 Stop-endsThis clause has been reviewed as part of a substantial revision of COP Clause 14. Installation.
1 - Minor Errata14.1614.17 Turndowns (Drip Forming or Drip Edging) This clause has been reviewed as part of a substantial revision of COP Clause 14. Installation.
1 - Minor Errata14.1814.19 Avoiding ProblemsThis clause has been renamed as part of an overall revision of COP Clause 14. Installation.
3 - Substantial change to recommendation14.18.114.19.1 Roof Cladding DamageThis clause has been reviewed as part of a substantial revision of COP Clause 14. Installation.
3 - Substantial change to recommendation14.18.214.19.2 Water PondingThis clause has been reviewed as part of a substantial revision of COP Clause 14. Installation.
3 - Substantial change to recommendation14.18.314.19.3 Correctly Installed GuttersThis clause has been reviewed as part of a substantial revision of COP Clause .
3 - Substantial change to recommendation14.18.414.19.4 Swarf DamageThis clause has been reviewed as part of a substantial revision of COP Clause 14. Installation.
0 - Clause Removed14.18.4.1Identifying Swarf StainsThis clause has been removed as part of a substantial revision of COP Clause 14. Installation.
3 - Substantial change to recommendation14.18.4.214.19.4.1 Preventing Swarf DamageThis clause has been reviewed as part of a substantial revision of COP Clause 14. Installation.
0 - Clause Removed14.18.4.3Swarf Effect on PerformanceThis clause has been reviewed as part of an overall revision of COP Clause 14. Installation. For more information about swarf effects, please read Swarf Staining and Cut Edge Corrosion.
0 - Clause Removed14.18.4.4Repairing Swarf DamageThis clause has been reviewed as part of an overall revision of COP Clause 14. Installation. For more information about dealing with swarf, see Swarf Damage.
2 - Editing and rearrangement14.18.514.19.5 Colour Matching PaintInserted picture. This clause has been reviewed as part of an overall revision of COP Clause 14. Installation.
2 - Editing and rearrangement14.18.714.19.7 SunscreenInserted photo of sunscreen damage. This clause has been reviewed as part of an overall revision of COP Clause 14. Installation.
0 - Clause Removed14.18.8Removing LichenThis clause has been removed as part of an overall revision of COP Clause 14. Installation. For information about Lichen, see Lichen.
0 - Clause Removed14.18.9Gutter InstallationThis clause has been removed as part of an overall revision of COP Clause 14. Installation. For Information about gutters, see  Gutters.
1 - Minor Errata14.1914.20 Fixing Aluminium SheetingGrammar fix. This clause has been reviewed as part of an overall revision of COP Clause 14. Installation.
1 - Minor Errata14.19.214.20.2 Recommendations for Fixing AluminiumFixed a link.
4 - Clause Inserted 11.8 Flatsheet RooflightsNew clause created as part of an overall revision of COP Clause 11. Natural Light.
4 - Clause Inserted 14.12.2 Side LapsNew clause created as part of a substantial revision of COP Clause 14. Installation.
4 - Clause Inserted 11.7 Stand-Alone RooflightsNew clause created as part of an overall revision of COP Clause 11. Natural Light.
4 - Clause Inserted 11.6 Installing Translucent SheetsNew clause under COP Clause 11. Natural Light.
4 - Clause Inserted  Natural Light Performance - DurabilityNew clause.
4 - Clause Inserted 11.1.1 ComplianceNew clause dealing with natural light and compliance to NZBC G7.
4 - Clause Inserted 19.2 2021 – JuneRevision message for the update on 1 June 2021.