The voice of New Zealand’s insulation industry
IAONZ represents the insulation sector, supporting quality products, quality installation, practical training, and better energy-efficiency outcomes across homes and buildings.
Latest News and Updates
IAONZ Submission Summary DZ 3604:2026
- 22 September 2026
IAONZ has lodged its submission on the proposed revision of NZS 3604: Timber-framed buildings, with a particular focus on how timber framing design affects the thermal performance ultimately achieved in New Zealand homes.
Warmer Kiwi Homes: Finish the Job, Avoid the Gap, Protect the Value
- 17 August 2026
EECA Warmer Kiwi Homes is funded to 30 June 2027. Beyond that date, there is currently no confirmed continuation pathway. IAONZ is calling for certainty before the election so New Zealand does not risk a funding gap that damages the delivery network, reduces regional capability and makes it harder to reach households that still need warmer, drier and healthier homes.
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.