Information for building professionals

A clear understanding of weathertightness issues and solutions is vital for all professionals in the building industry, including designers, builders and building officials.

In this section you will find information on:

• the background to weathertightness, including its history and importance to New Zealand as well as key design concepts
• the regulatory framework which governs building design, construction, inspection and maintenance
• key elements of building for weathertightness, including timber and cladding requirements
• maintenance and repairs to existing buildings to ensure weathertightness
• useful resources.