Wholesome Houses Requirements Regularly Requested Questions

Personal rental properties should have ceiling and underfloor insulation that meets the 2008 Constructing Code or has a minimal R-value of:

• Ceiling insulation: R 2.9 (Zone 1 & 2), R 3.3 (Zone 3)

• Underfloor insulation: R 1.3 (all zones)

Minimal R-values differ throughout New Zealand. You need to use the map on Tenancy Companies web site to test what zone your property is in (tenancy.govt.nz). Widespread insulation supplies embody:

• Glass wool (Pink Batts or Earthwool) – Reasonably priced and extensively used.

• Polyester insulation – Comprised of recycled plastic, non-irritant.

• Polystyrene insulation – Typically used for underfloor insulation.

• Wool Insulation – Pure, moisture-resistant, and eco-friendly, appropriate for each ceiling and underfloor insulation.

Insulation should be in good situation, with no gaps, dampness, or injury. If current insulation was put in earlier than 1 July 2016, it should be a minimum of 120mm thick and in affordable situation to stay compliant. An insulation professional can suggest the best choice to your property.