The area around the edge of a roof requires extra fixings to stop it lifting, but how much of the total roof area needs these extra fixings?
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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.
Given the many design and statutory requirements for roofing, and the large range of claddings available in today’s market, how do we select the right roofing for a building?
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.