Insulmax® retrofit wall and ceiling insulation in Wellington
The Insulmax® Wellington team specialises in retrofit wall insulation, perfect for older homes. We service customers from Ōtaki to Upper Hutt, Lower Hutt, Porirua, Wellington City and through to the Wairarapa.
Our innovative approach means you can enjoy the benefits if insulation without the hassle of extensive renovations. Our retrofit insulation services are designed to be minimally invasive yet maximally effective, ensuring your home’s walls are insulated with the utmost care and professionalism. Get in touch today to book your free home insulation assessment.

Meet the Wellington team
Eamonn Kilgariff manages the most experienced installers of retro wall insulation in the Wellington region. He has installed more homes with wall insulation than any other local company. Having been in the retro wall industry for about 15 years, Eamonn’s passionate about improving the energy efficiency of your home!
Together, let’s transform your home into a more energy-efficient warmer, drier and more comfortable place to live – all year round!
Why choose Insulmax® for your home insulation?
CodeMark certification
Ensuring compliance with the New Zealand Building Code and approval by every Council in New Zealand.
Suitable for all common claddings
Including weatherboard, brick, roughcast / stucco, and interior lining.
Minimal disruption
Your Insulmax® insulation installation is usually completed in just one day.
Eco-friendly solution
Recyclable mineral fibre insulation, reducing your home’s carbon footprint.
50 year warranty
Premium European blown mineral fibre insulation with a 50 year install warranty.
No renovation needed
Insulation is installed through a hole smaller than a 10 cent coin.