There are several questions to consider before making an insulation decision
The needs of the property owner?
Insulation product needs- Insulation segments, roof and wall underlays, insulation blankets, floor etc New build or retrofit? Your insulation options will be different. Areas in the home that need insulation.
The insulation R-value?
Different R-value requirements for different regions. Does the insulation provide premium R-value levels or just the minimum required?
Insulation installation service
Is there an installation service aligned with the insulation?
What are the guarantees of that service?
What is the installers flexibility around your schedule?
Sustainability of the company and insulation
How much recycled content does the insulation have?
Does the company have experience in the New Zealand market?
Insulation product safety
Fire safe – is the insulation non-combustible?
Safe to use – is the insulation proven to be safe to use?
Assurance of the insulation products
Does the insulation have an independent confirmation of its quality and lifespan (e.g. BRANZ appraisal)?
Is it made by a reputable company with a long track record of manufacturing insulation?