v24.09 September 2024
The latest changes to the NZMRM Metal Roof and Wall Cladding Code of Practice; published on 1 September 2024.
Category 3: Substantial Changes to Recommendations.
- Ridge And Hip
Changed the requirement for butyl membranes, underlay, or soft flashing for weathertightness to a recommendation as a secondary method in addition to good design and installation. - Spouting Support Systems
Clarifying recommendation: brackets for pre-painted spouting in marine conditions must be appropriately painted or powder-coated before installation, or non-ferrous metals should be used.
Category 2: Editing and Rearrangement
- Flashing Laps
Clarified the recommendation for unsealed laps to have a minimum of 150 mm cover and sealed laps a minimum of 100 mm. - Rafter, Hip and Rise Chart
Added options for pitches steeper than 60°.
Revision Detail v24.09 - 2024 -September
Category | Clause Number (prior to update) | Clause (As of current publication) | Details |
---|---|---|---|
2 - Editing and rearrangement | 1 | Introduction | Updated Revisions Message |
1 - Minor Errata | 4.3 | Metal Performance | Minor revision to improve clarity, conciseness, style, or layout. No changes to recommendations. |
1 - Minor Errata | 4.6 | Environmental Categories | Minor revision for style, grammar, and clarity. No changes to recommendations. |
1 - Minor Errata | 4.10.3 | Solar Collectors and Other Roof Mounted Structures | Resizing of photos for consistency. No changes to recommendations. |
1 - Minor Errata | 4.10.6 | Capillary Action | Minor edit for style, grammar, clarity, or consistency. No changes to recommendations. |
1 - Minor Errata | 4.14 | Swarf Staining and Cut Edge Corrosion | Resized photos for consistency and layout. No changes to recommendations. |
1 - Minor Errata | 4.15 | Clearances | Illustration reformatting. No changes to recommendations. |
1 - Minor Errata | 4.15.1 | Ground Clearance | Illustration reformatting. No changes to recommendations. |
1 - Minor Errata | 4.18.2 | Post-Painted Factory Applied finish | Minor edit to improve clarity, conciseness, style, or layout. No changes to recommendations. |
2 - Editing and rearrangement | 5.4.2.3 | Spouting Support Systems | Editing to clarify the requirement for pre-painting spouting brackets. |
1 - Minor Errata | 8.4 | Flashing Cover | Fixed typo. changed "m" to "mm". |
2 - Editing and rearrangement | 8.4.4 | Flashing Laps | Clarified the recommendation for unsealed laps to have a minimum of 150 mm cover and sealed laps a minimum of 100 mm. |
3 - Substantial change to recommendation | 8.5.1 | Ridge And Hip Intersections |
|
1 - Minor Errata | 15.1.6 | Durability | Fixed the spelling of soffit. No changes to recommendations. |
2 - Editing and rearrangement | 18.2 | Pitch & Rise Calculator | Added pitches to the table above 60° |
4 - Clause Inserted | v24.09 – September 2024 | A new clause providing details of the updates published on 1 September 2024. |
Clause:
019_001_000_000_000_000_000_000_000
Clause Number:
19.1
/cop/revision-history/v2409-september-2024
Revision Category:
4 - Clause Inserted
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