News & Updates
Why poor insulation installation is often mistaken for product failure
- 7 July 2026
All insulation types, whether they be fibrous, expanded foam or other technologies can deliver long-term performance when correctly specified, fitted, supported, protected from moisture, and installed to NZS 4246. IAONZ promotes installation quality, training, and evidence-based practice across all types. We discuss fibrous insulation in this article.
IAONZ supports BRANZ HEEP2 findings: progress has been made, but the retrofit job is not done yet
- 26 June 2026
The Insulation Association of New Zealand Inc. welcomes the release of BRANZ Study Report SR511, Household Energy End-use Project 2: Indoor temperatures in New Zealand homes. We must continue improving the thermal performance of existing homes. Heating, ventilation, cooling, moisture management and occupant behaviour all matter, but they cannot replace the need for an effective thermal envelope.
IAONZ launches PROVE the R™ to strengthen insulation installation evidence
- 28 May 2026
The Insulation Association of New Zealand Inc. has launched PROVE the R™, an industry initiative aimed at improving the quality, consistency, and transparency of insulation installation evidence across New Zealand building projects.
IAONZ supports sector focus on smarter energy use and better-performing buildings
- 28 May 2026
IAONZ welcomes the release of the New Zealand Green Building Council’s 2026 Election Manifesto, which calls for a stronger national focus on using energy smarter, starting with the places New Zealanders live and work.
Myth Vs Fact: Overheating in some New Zealand homes is caused by “too much insulation”.
- 9 February 2026
For some reason, people think that insulation creates heat. Not true; insulation is designed to reduce heat flow from hot to cold. Ideal for keeping a house warm in winter, and cool in the summer. Once heat enters your house in summer, there needs to be good methods to remove that heat. Removing insulation is not the answer.