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Sustainable Water

Submitted by Bruce Duncan on Wed, 20/11/2019 - 3:15pm

Back in Issue 25 in 2010 Graham Hepburn  reviewed the importance of water and the sustainable process of harvesting drinking water from metal roofs. This article is an update and review of what was written then. 

Rainwater Harvesting - increasingly relevant today
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Compatibility of metals

Submitted by Bruce Duncan on Fri, 18/05/2018 - 11:40am

Corrosion is an electrochemical process.

By Rod Newbold, chairman MRM Technical Committee. Article courtesy of Roof Link

In the case of steel, differences in electrical potential exist on the surface, and microscopic cathodic (-) and anodic (+) cells are formed. The...

Metrotile Shingle Reroof Whangarei house

Submitted by Bruce Duncan on Fri, 13/05/2016 - 5:00pm

 

When a winter storm with 150km/h winds hit a Whangarei home, sections of its asphalt shingle roof were blown off.
With only the plywood substrate left to protect the two-storey home, water began making its way through the joins in the plywood and into the home, damaging wall...

The Proposed Auckland Unitary Plan

Submitted by Bruce Duncan on Fri, 13/05/2016 - 1:26pm

 

In Scope 39 we discussed the upcoming issue of the Proposed Auckland Unitary Plan (PAUP) 2013 containing provisions not allowing the use of unpainted metal roof (or wall) cladding. This includes ZINCALUME ® which has a surface 80% of aluminium, and ignored the large number of galvanised...

Sustainability and Colour

Submitted by Bruce Duncan on Fri, 13/05/2016 - 11:47am

 

Has architecture become part of the Fashion Industry and been cursed by mock sustainability (green-wash) and the absence of colour?
A question perhaps we should all ask ourselves and to one very passionate architect, Daryl Cockburn, the answer is definitely yes!

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