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Introduction

The NZ Metal Roof and Wall Cladding Code of Practice (COP) is published by NZ Metal Roofing Manufacturers Inc. (MRM), to provide:

  • acceptable trade practice for the fixing of metal roof and wall cladding and accessories.
  • prescriptive detailing for designers and sets a benchmark for the standard of detailing and workmanship required over and above that required to comply with the NZBC.

The COP does not describe or dismiss alternative methods, which may need specific acceptance by the Building Consent Authorities.

It is published in accordance with current technology, materials, and building codes. The COP will be periodically updated to reflect changes in legislation and standards or improvements in technology and available materials.

The most current Code of Practice is available on the MRM website, www.metalroofing.org.nz/cop, as Code of Practice Online (MRM COP Version 3).

The most recent updates to the NZ Metal Roof and Wall Cladding Code of Practice were published on 1 March 2023.

Substantial changes to recommendations:

Editing and rearrangement:

Other changes consisted of small fixes for clarity and grammar.

For more detailed information, see 2023 – March.
/cop/introduction
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2 - Editing and rearrangement
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