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Characterising the Bay of Plenty

By Zhengwei Li 1 April 2017, Build 159

While the Bay of Plenty is enviably sunny and booming, its industrial, marine and volcanic environment is challenging for building materials. BRANZ has started mapping corrosivity across the region to help designers select appropriate materials.

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BRANZ Maps goes mobile

By Greg Overton 1 April 2015, Build 147

BRANZ Maps, a free online geographic information system (GIS) with information on New Zealand addresses, is now even more useful. You can access it from any mobile device to check wind zones and much more.

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Why timber eats metal

By Zhengwei Li 1 October 2017, Build 162, Feature article

BRANZ has been investigating what can make metal fasteners and fixings corrode when used in timber. Understanding this can lead to selection of compatible components and less risk of premature failures.

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Atmosphere and material durability

By Zhengwei Li 1 February 2021, Build 182, Feature article

BRANZ research is expanding our knowledge of how multiple factors influence building material corrosion. This will lead to a new way of mapping corrosivity and allow the right materials to be specified for different environments.

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Sharpening corrosion boundaries

By Zhengwei Li 1 June 2012, Build 130, Feature article

A map showing the corrosivity of the atmosphere in different locations is essential for the specification and selection of materials. Currently, New Zealand has two corrosion maps with different boundaries, but with BRANZ’s help, that may change.

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Use stainless steel with new timber treatments

By Gareth Kear 1 February 2007, Build 98

Possible health hazards associated with chemicals in CCA preservatives for treated timber have led to revised Codes of use in some countries. New research by BRANZ into the durability of galvanised steel shows work still needs to be done on reducing the corrosivity of preservative-treated timbers.

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