Window changes affect weathertightness
Changes in window installation have contributed to some of the weathertightness problems of the last decade. BRANZ is researching the issues.
This website is best viewed on a newer browser than the one you are using. Learn about upgrading your browser (opens in a new window/tab)
Welcome to BRANZ Build. Skip to main content.
Showing results 1-6 of 6
Order by:
Changes in window installation have contributed to some of the weathertightness problems of the last decade. BRANZ is researching the issues.
Fragile and costly window glass was introduced to New Zealand in the 1840s. Its often picturesque distortions or character has gradually given way to mass produced perfection.
Timber joinery is a feature of New Zealand heritage architecture and is still a relevant part of building and renovation today.
New Zealand windows are now on the list of products that can be evaluated for an Energy Star®, thanks to help from BRANZ. This gives assurance to those wanting windows with superior thermal performance.
BRANZ is helping develop a new window rating scheme expected to launch in 2014. With six performance levels, it’s suitable for any window type and will enable better choices around thermal performance.
Heavier windows and drained and vented wall cavities mean loadings from windows are often offset from the timber framing. Recent BRANZ research checked that a modified support bar system can transfer the load back to the framing to prevent problems.