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Earthwool Glasswool by Knauf Insulation

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Looking to create a comfortable home all year round? Knauf
Insulation’s Earthwool® Glasswool range is here to help! As one
of the world’s largest manufacturers of insulation products and
solutions, Knauf Insulation is proud to offer high-quality, easyto-
handle, and install insulation products designed to meet the
needs of Kiwi homes.

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Family on couch in a lounge room with Cutout insulation.

Benefits of Earthwool Glasswool

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Cost saving

Save energy with well-insulated home

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Easy installation

Easy professional and DIY installation

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The sustainable choice

Global GreenTag and GreenRate - Level A certified

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Healthy home

Create a heathy home for your family

Achieve H1 compliance with Earthwool Glasswool

The Earthwool Glasswool range of products are designed to help achieve H1 compliance, no matter your location. Work out what insulation you need to comply with regulations.
Calculate now
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Earthwool Glasswool installed in New Zealand homes

Wall insulation

  • Available in various R-values, from the economical energy performing R2.2 up to the exceptional performing R4.4.
  • Provides outstanding acoustic properties and energy efficiency to deliver a peaceful, comfortable environment year-round.
  • Designed to fit conveniently in 90mm and 140mm timber frames.
  • Super-soft and a smooth finish on both sides of the insulation makes it easy to handle and install.
  • Manufactured using recycled glass and ECOSE® Technology, a sustainable binder with no added formaldehyde.
  • Silicone treated with DriTherm® Technology for increased water resistance and durability.
    • side by side image of wall glass wool going in 

    Ceiling insulation

  • Available in a range of R-values from R3.6 up to R8.0, providing high thermal performance to keep your home cool in summer and warm in winter.
  • Manufactured with recycled glass and ECOSE® Technology, a sustainable binder with no added formaldehyde.
  • Super-soft, easy to handle and extremely durable, making DIY installation simple.
  • Comes pre-cut in convenient widths to fit seamlessly in most ceiling joist centres.
  • Compression packed, delivering more product per pack and making transportation easy.
    • Earthwool installation in roofÂ