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.
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ALF has been the topic of many calls to the BRANZ helpline recently. This overview should get you started with ALF 3.2, and future issues of Build will answer some of the more detailed questions asked.
Major projects retrofitting insulation in older uninsulated or poorly insulated homes are currently underway. To do this right, there are installation pitfalls that need to be avoided.
You could be forgiven for getting the wind up about wind speeds, pressures and zones, but don’t worry. Here, we go back to basics to explain how they relate to one another.