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?
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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?
The roof on a new building needs to be more than just aesthetically appealing and able to keep the building weathertight – it must also effectively collect and dispose of rainwater.
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.
Designers should be designing roofs with enough space between the roof underlay and top plate for the thicker ceiling insulation now commonly used. Here are some options to avoid getting caught short.