We sell and install New Zealand wide

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Mammoth™ Polyester Insulation is made in New Zealand and is a modern sustainable choice.

Mammoth™ insulation is made in NZ from 100% polyester and designed to create warmer, healthier environments.

Mammoth™ includes fibres from recycled plastic bottles, are Red List Free and 100% recyclable. 

Our insulation is produced in New Zealand (at one of our 2 factories) by InsulPro, the world’s first carboNZero certified insulation manufacturer.

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Get a free quote

Most people are surprised at just how affordable Mammoth™ insulation is. A well insulated home will save you money and create a warmer, healthier home.

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0800 MAMMOTH  |  0800 626 668

10 reasons New Zealand families choose Mammoth™

  1. Non-itch, 100% polyester
  2. New Zealand wide network
  3. Doesn’t absorb moisture – won’t slump over time
  4. Our products are all made in New Zealand
  5. Made using fibres from recycled plastic bottles
  6. Safe and easy to install
  7. Products for new homes and existing homes
  8. A well insulated home saves you money
  9. 50 year manufacturer’s warranty
  10. Government approved for subsidy options

Get a free quote

Call us on 0800 MAMMOTH / 0800 626 668

Mammoth™ insulation range for Homes & Commercial Buildings

Mammoth™ has a comprehensive range of thermal and acoustic insulation products for application in the ceiling, wall and underfloors of homes & buildings, residential and commercial.

Our product range:

Insulate today
- Pay later

You may be eligible to insulate your home and add the cost to your rates, with up to 9 years to pay.

Enter your details and we'll give you a call and talk you through the options in your area.


Mammoth™ polyester insulation is a great option for DIY insulation installers since the product is non-toxic and non-irritant. See how easy it is to install Mammoth™ insulation with our installation video.

Learn how

Commercial insulation

Mammoth™ polyester is suitable for commercial environments and are designed to provide thermal and acoustic performance.  We have a range of acoustic products to cater for all applications - ceiling tiles, acoustic blanket (including bafflestack), panel absorber and ductliner. Simply send us an email and one of our commercial development managers will be in touch.


Get a free home insulation assessment

Book an appointment for a free no obligation home insulation assessment and we’ll show you how to warm up and save money.

Enter your details and we’ll give you a call to organise a suitable time to visit your home.

Would you like some personal help?

Leave your name and number and a Mammoth™ Insulation consultant will give you a call.