Weathertightness: Industry perceptions of weathertightness issues in residential construction (2020)

A number of recent studies have found evidence that weathertightness problems still exist in houses less than 10 years old, despite all the regulatory changes made since the mid-2000s. Leaks in newly built homes are being reported as an ongoing problem in New Zealand.

BRANZ has investigated industry perceptions about the topic and what they think contributes to the persistence of weathertightness problems. To ensure homes are weathertight, research suggests that change is required in how the industry operates. Industry feedback suggests that some of the mechanisms that guide industry functions actually create conditions that undermine building quality.

Read the full report