Cold roofs? Warm roofs?
What’s the main difference between roof construction options? BRANZ explains the science to help you design better roofs.
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By Stephan Rupp – 1 February 2018, Build 164
What’s the main difference between roof construction options? BRANZ explains the science to help you design better roofs.
By Graeme Beattie – 1 August 2008, Build 107
Strong wind causes damage to houses, particularly their roofs. A recent BRANZ study started by defining ‘extreme winds’ before developing retrofit solutions to ensure roofs on older houses are adequately secured.
By Lois Easton – 1 April 2008, Build 105, Feature article
Nine homes in a Porirua suburb were recently renovated to achieve greater sustainability. Monitoring continues this year to measure the results but some useful tips have already come from the project.
By Dr Manfred Plagmann – 1 December 2016, Build 157, Feature article
BRANZ physicists have developed a useful calculation for designers to work out the minimum number and area of vents required in roof spaces.
By Matthew Curtis – 1 December 2014, Build 145, Feature article
Steel’s popularity as a structural element is rising, and there’s scope for more use of prefabrication. These are two of the trends BRANZ has identified for commercial building construction.
By Catherine Nicholson, Anna Walsh, David Carradine – 1 October 2020, Build 180
To simplify the consenting process for structural insulated panels (SIPs), we need to know how they perform locally. A BRANZ research project is helping by examining SIP durability, earthquake and fire performance.
By Mark Bassett – 1 December 2006, Build 97
A recent trip to North America provided opportunities for further refining the BRANZ moisture research programme. Some of the papers presented at a building physics conference are highlighted here.
By Roman Jaques – 1 August 2017, Build 161
Information BRANZ gathered when monitoring thermal performance during an upgrade of ageing apartments will be useful to landlords wanting to carry out similar work and to minimise the impact on tenants.
By Sunil Bura, Mike Duke, Tim Anderson and Mark Lay – 1 April 2008, Build 105
A new solar collector system, being developed at the University of Waikato, integrates neatly into standard roofing iron and can generate both electricity and heat.