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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Flashings keep water out

By David Bullock 1 February 2009, Build 110, Feature article

A flashing is a folded length of metal that provides a weathertight cover at junctions in and between walls and roofs. Getting them right is a good start towards constructing a weathertight building.

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Wind pressure 101

By Roger Shelton 1 October 2009, Build 114

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.

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Out of sight but front of mind

By Trevor Pringle 1 August 2009, Build 113, Feature article

The selection and maintenance of building elements and materials is one situation where out of sight should not be out of mind. In many situations, corrosion and deterioration may be occurring that is difficult to detect or see.

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