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New Buildings

New Buildings.

Making sure a new house is weathertight begins with carefully evaluating the site. From there, it is important to understand and apply basic design principles and choose the appropriate materials, techniques and detail solutions.

Fixing Leaky Buildings

Fixing Leaky Buildings.

Making leaky buildings weathertight requires expert input. This is not work suitable for DIYers or builders or other practitioners who have no experience in weathertightness remediation. Careful assessment, planning and project management is essential.

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14 December 2021

Detail solutions

14 December 2021

Basic weathertight design principles

From the early 1990s, changes in design, materials, details and construction techniques led to weathertightness failures in thousands of buildings.

How we got here >

Knowing how water behaves can help you understand why some designs and details leak while others remain weathertight.

How water behaves >
Forces acting on water >
Common leaks >

How water behaves >

Forces acting on water >

Common leaks >

Following the design carefully on site and using the right techniques are just as important as getting the design itself right.

Engineered openings and drainage paths >
Walls >
Flashings >

Engineered openings and drainage paths >

Walls >

Flashings >

Regular maintenance, particularly of wall claddings, and keeping drainage and drying paths clear are key parts of ensuring a house stays weathertight.

Guidance for the building owner>
Recoating >
Cleaning >
Ground clearances 鈥?gardens and paths >

Guidance for the building owner>

Repainting >

Cleaning >