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Part 1 - NZMRM Participation in and involvement with Standards.

Submitted by Alistair Fleming on Mon, 06/07/2026 - 9:38am

Our last article on this topic was actually in 2017 following the absorption of Standards NZ into MBIE as a “business unit”, so no longer a separate entity as it had been under several guises since 1936 or so.  In 2017, several important NZ Standards were made free to access.  Since then some...

Part 2 Standards which are relevant to Roof and wall cladding products.

Submitted by Alistair Fleming on Thu, 02/07/2026 - 12:28pm

There are basically four properties or metal roofing associated products that we are concerned about, which are covered by Standards, either joint New Zealand/Australian or Australian. There are several European (EN) or ISO standards which cover the same properties and are similar to AS or AS/...

Part 3 - NZMRM and Standards in 2026

Submitted by Alistair Fleming on Thu, 02/07/2026 - 1:34pm

In this article, we will cover the Standards Committees on which MRM has been represented and to which we have contributed.

NZMRM are members of several Australian Standards committees -

BD-014 Metal Cladding – AS 1562.1 Sheet Roof and Wall Cladding Metal; AS/NZS 4505 Garage and...

Glenbrook Electric Arc Furnace

Submitted by Nathaniel Duncan on Mon, 20/11/2023 - 3:27pm

New Zealand Steel partners with Government in $300M co-investment to shrink carbon footprint of Glenbrook steel mill

New Zealand Steel has been busy over the last 12 months, helping to secure a more sustainable future of steel making in New Zealand with an Electric Arc Furnace through a...

NZ Steel Monitoring Environmental Effects

Submitted by Bruce Duncan on Thu, 31/01/2019 - 3:21pm

MONITORING ENVIRONMENTAL EFFECTS

Water management
New Zealand Steel’s Environmental Management System places great importance on its commitment to minimise any effects of taking or discharging water, as well as controlling the use of water. In order...

A new innovation for condensation management and quicker building enclosure.

Submitted by Bruce Duncan on Tue, 16/03/2021 - 1:00pm

As water vapour is lighter than air, it easily finds its way into the ceiling cavity increasing the risk of mould growth. Therefore, the first step to a dry and healthy home is to improve the air movement in the ceiling cavity. 


With a strong and continued focus on product...

Carl Mossman

Submitted by NZMRM Editors on Thu, 15/11/2012 - 12:00am

When Carl Mossman started with A. Balfour Ltd in Cambridge in January 1972 he probably never envisaged he would work for the same company for the next 40 years.

Balfours Cambridge was the roofing and plumbing outlet for the Tauranga based manufacturing operation of A Balfour Ltd,...

COP update

Submitted by Bruce Duncan on Fri, 21/06/2019 - 12:03pm

COP Recommendation: Design for Natural Ventilation
In the revised clause Internal Moisture, the COP requires designing and installing roof cladding to allow natural ventilation in residential buildings, including skillion, sarked, and low-pitched residential roofs.

...

High Performance Vent Solutions for Builder’s Own Home

Submitted by Bruce Duncan on Tue, 04/10/2016 - 4:55pm

Extraction and sanitary vents from Metrotile efficiently remove moisture from the home, ensuring a healthier atmosphere for the occupants.

There is no simple answer to in-house ventilation. As BRANZ Building Physicist, Stephen McNeil stated in a recent article: “...

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