Airtightness and blower door testing: the quality check more houses are getting
A well-insulated house that leaks air loses much of the benefit. Blower door tests measure how leaky a house is and find where. Here is how testing works and the details that make the difference.
8 min read
Topic
NCC
Articles and news about NCC for Australian builders.
Airtightness and blower door testing: the quality check more houses are getting
A well-insulated house that leaks air loses much of the benefit. Blower door tests measure how leaky a house is and find where. Here is how testing works and the details that make the difference.
8 min read
Winter condensation in new homes: why it happens, how to diagnose it, and how to build it out
Every winter, builders get the same call: “there’s water on the windows and mould in the wardrobe.” Here is how to work out whether it is the house or how it is being lived in, and the details that stop it happening.
10 min read
NCC 2025 for builders: what has changed, and when it applies in your state
The National Construction Code 2025 was released on 1 May 2026. Most of the big changes are commercial, but condensation, water management and governing requirements affect residential builders too. Here is the plain-English version.
9 min read