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 Asif Iqbal – 1 June 2015, Build 148, Feature article
BRANZ was on the ground in Northland last year, examining the effects of a storm on buildings. Roofs bore the brunt of the weather, with structures on exposed terrain the most vulnerable.
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.
1 April 2013, Build 135
New research suggests installing photovoltaics on roofs and driving electric cars could transform low-density suburbia from a high-energy consumer to an energy provider for the city.
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 Stephan Rupp, Cara Askew – 1 February 2017, Build 158, Feature article
BRANZ has been measuring moisture levels in a school’s classrooms. This information is providing a sound basis for understanding the indoor climate and designing moisture-safe long-span roofs in schools.
By Nicole Allen – 1 August 2022, Build 191
A local volcanic eruption is a substantial risk to the Auckland region. Research into the impact of multiple volcanic hazards on the roofs of buildings showed that they generally deal well with volcanic ash and flying rocks landing on them.
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 Vicki White – 1 June 2017, Build 160, Feature article
Independent assessors carrying out the 2015/16 BRANZ House Condition Survey rated one-fifth of our housing stock as poorly maintained. Where are the problems areas, and why is maintenance being deferred?
By Ian Page – 1 April 2016, Build 153, Feature article
BRANZ has done a lot of work on the costs and benefits of mitigating common natural hazards in housing. While some options are cost-effective, others hardly justify the expenditure.