How Insulmax® wall insulation works
The Insulmax® Wall Insulation system can be retrofitted into all common types of New Zealand homes, ensuring a warmer, drier, healthier environment for you and your loved ones.
Our dry, mineral fibre insulation is installed via holes smaller than a 10 cent coin, strategically placed in the exterior or interior wall lining. Watch the video to see the process in action.
Find out more
Weatherboard
The quintessential Kiwi cladding
Brick & Block
The sturdy cladding that a wolf couldn’t blow through - but a winter chill can
Roughcast
Roughcast, stucco, rendered brick, rendered plaster, rendered concrete…
Interior Wall
Insulation for every space: No room left unreached
Ceiling Insulation
Ceiling insulation made easy for tight spaces
“I wish I’d done it years ago! It’s not often you find a solution that ticks all the boxes for being affordable, effective, and easy.
But Insulmax® definitely ticks all three!”
Why choose Insulmax® for your home insulation?
Approved and Certified
Insulmax® wall insulation is approved by all councils in New Zealand* and holds CodeMark certification, which is the highest level of product assurance in New Zealand. *Installing any type of insulation in the exterior walls of your home requires an application to council for a building consent or exemption.
Superior installs
Insulmax® is installed using holes smaller than a 10 cent coin reducing the impact on your homes and making finished holes difficult to spot with guaranteed lasting durability. Every install is assessed with high resolution thermal imaging equipment to ensure that the wall structure has been properly insulated.
50 Year Guarantee
All aspects of an Insulmax® wall insulation install are covered by a 50 year written guarantee excluding paint systems which are 15 years.
Nationwide support
Insulmax® is the largest and most specialised retrofit wall insulation group with owner-operated branches throughout the country offering local service, backed by national support and experience.
Your choice of install
Insulmax® is certified to be installed through ALL common exterior claddings and internal linings with or without building paper, giving you the choice of how we install your existing home, whatever its age or cladding.
The environmental choice
Because wall linings are not removed, Insulmax® saves tonnes of building materials from ending up in landfills, and the insulation is made from 84% post-consumer waste. It contains inert materials, is CFC and HCFC free, and is classified as having zero ozone depletion potential and zero global warming potential.
Ready to discuss your home insulation upgrade?
The Insulmax® retrofit process
Every installation is covered by a written Insulmax® 50 year guarantee
Pre-assessment of your home to ensure you get the full benefit of Insulmax® insulation.
All wall cavities are located and accessed through holes smaller than a 10 cent piece, then completely filled with Insulmax® blown fibre insulation.
Exterior cladding is finished and left durable and weathertight.
A final check with infrared thermal imaging ensures the wall is fully insulated.
Insulmax® nationwide insulation installers
Insulmax® installs home insulation throughout New Zealand, from Northland to Southland. Find your local installers below and get in touch to book your free assessment.
A trustworthy, expert choice for your home insulation
Our nationwide team has a proven track record of delivering exceptional customer service. We are proud to be the first retrofit wall insulation method in New Zealand to be awarded CodeMark Certification. Additionally, our insulation material has been installed in over 1 million homes in the UK, demonstrating its effectiveness and reliability.
At Insulmax®, our commitment to customer satisfaction has resulted in numerous positive testimonials, and we continually strive to exceed expectations. Choose Insulmax® for a reliable, eco-friendly, and cost-effective solution to enhance your home's comfort and energy efficiency.