Search results for 'roofs'

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Roof drainage design

By Greg Burn 1 October 2009, Build 114

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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Dragon ties revisited

By Roger Shelton 1 February 2021, Build 182

While the use of dragon ties in New Zealand residential construction has decreased over recent decades, they remain a simple and cost-effective method to provide bracing solutions to larger rooms. However, BRANZ helpline queries suggest there is still some confusion around when they should be used.

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Roof design

By Trevor Pringle 1 February 2011, Build 122

Good roof system design is a critical part of a good building. A roof designer must consider cost, performance and appearance, but it’s important to keep a few other factors in mind.

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Internal gutters

By Alide Elkink 1 August 2014, Build 143

The best way to deal with internal gutters is to design them out, but sometimes, this isn’t an option. With good design and construction and ongoing maintenance, the risk of an internal gutter overflowing can be minimised.

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Adding eaves

By Trevor Pringle 1 August 2012, Build 131

A common feature of many leaky buildings is that they were constructed without eaves, usually with walls terminating with a parapet. Changing this design detail can greatly enhance a building’s weathertightness.

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