Because heat rises, it is most economical for families to insulate their home with quality house insulation.

Insulating your home will not only keep your family warmer in those colder months, but can also dramatically reduce the cost of your energy bill.

Although we recommend insulation with Earthwool, you can have your property insulated with any brand of insulation.

To get a free roof insulation quote, please contact us

Complete Roofing is proud to be a preferred installer of Earthwool® range of glasswool insulation for New Zealand. Knauf Insulation, one of the world's largest insulation manufacturers brings this world class product to New Zealand - the Earthwool range revolutionises glass fibre insulation.  
Earthwool - the "new generation" of glasswool products have been designed for New Zealand conditions, suitable for applications:
  • Retrofit & Renovation
  • New Build
  • Commercial fit outs
  • Roofing
  • HVAC - Heating ventilation & airconditioning systems/ducts.

ECOSE® Technology

Knauf Insulation’s Earthwool products with ECOSE Technology benefit from a formaldehyde-free binder made from rapidly renewable bio-based materials instead of petroleum-based chemicals which is up to 70% less energy intensive. The technology has been developed for Knauf Insulation’s glass and rock mineral wool products, enhancing their environmental credentials without affecting the thermal, acoustic or fire performance. Earthwool products made with ECOSE Technology contain no dye or artificial colours – the brown colour just comes naturally!

Product Range 

The Earthwool range of glasswool is a is a high performance product with combined energy saving, sound absorbing and fire resistance features. The natural brown colour of Earthwool glasswool comes from the use of revolutionary ECOSE Technology. Earthwool glass insulation provides installers and home-owners with unrivalled benefits not associated with traditional glasswool or polyester: 
  • Compression packed to reduce handling
  • Up to 80% recycled glass bottles
  • Non-combustibility – it cannot catch fire
  • ‘Super-soft’ fibre for easier installation – virtually itch free
  • Low dust
  • No added artificial colour – it’s naturally brown
  • No chemical smell
  • No added phenol or formaldehyde for enhanced indoor air quality
The Earthwool range of glasswool insulation represents a new benchmark for sustainability in construction in New Zealand.