By Greg Overton
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1 December 2009, Build 115
The many examples of rotting parapets have raised concerns about the details used. A 2-year BRANZ project assessing the performance of parapet walls provides confidence that parapets can manage water when E2/AS1 details are used.
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By Malcolm Cunningham
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1 June 2013, Build 136, Feature article
Remediation work on leaky buildings is exposing workers to biocontaminants from the deteriorated building materials inside the walls. Recent research highlights the importance of always following good health and safety procedures.
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By Greg Overton
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1 December 2007, Build 103, Feature article
Building on the success of previous weathertightness research at BRANZ, two new projects have now started – one looking at parapet wall systems and the other at imported drainage mats performance under New Zealand conditions.
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By Mark Bassett
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1 October 2013, Build 138, Feature article
A BRANZ program has the answers for those keen to understand how vents in cavity walls help keep walls dry. By using this knowledge, keeping it simple and following the 4Ds – drying, deflection, drainage and durability – walls will be weathertight.
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By Stephen McNeil
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1 October 2014, Build 144
The Fraunhöfer Institute for Building Physics is a German equivalent to BRANZ. An ongoing relationship between the two organisations continues to enhance understanding of local weathertightness issues.
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By Mark Bassett
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1 December 2007, Build 103, Feature article
BRANZ recently completed research to understand the movement of air and water in the cavities around windows. This has provided new insight into alternative ways of managing water at the difficult junction between walls and windows.
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By Greg Overton
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1 August 2019, Build 173
A recent project at BRANZ has been testing the weathertightness of residential-style claddings for use on mid-rise buildings.
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By Mark Bassett
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1 October 2014, Build 144, Feature article
BRANZ is studying the properties of junctions to understand how they perform in wet conditions. The aim is to see if a performance basis for junction design is possible.
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By Greg Overton
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1 June 2016, Build 154, Feature article
Going higher may help to provide much-needed housing, but there are concerns about how to demonstrate compliance when the guidance is often limited to buildings up to 3 storeys.
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By Mark Bassett
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1 June 2007, Build 100, Feature article
The weathertightness team at BRANZ has been continuing their research measuring drying rates in different types of walls. The results show the importance of wall design to speed drying.
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