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Knauf Earthwool Insulation

Earthwool 90 x 430 x 1160mm 5.0m² R2.8 Glasswool Acoustic Wall Insulation Batt

1 (1)

I/N: 0224641

Earthwool 90 x 430 x 1160mm 5.0m² R2.8 Glasswool Acoustic Wall Insulation Batt
Knauf Earthwool Insulation

Earthwool 90 x 430 x 1160mm 5.0m² R2.8 Glasswool Acoustic Wall Insulation Batt

1 (1)

I/N: 0224641



per m2

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  • High thermal performance - keeps a building cool in Summer and warm in Winter
  • Acoustic performance - reduced the transmission of noise
  • Non-combustible - AS 1530.1
  • No added formaldehyde
  • 50 year warranty
Earthwool® glasswool R2.8 Acoustic wall insulation is our highest rated option. The super-high density glasswool insulation offers superior performance, with the ultimate in acoustic and energy saving properties, creating a peaceful environment in your home by absorbing sound and keeping it where it should be.

The super-soft and easy to handle benefits of Earthwool® glasswool have been further enhanced with TwinTech®. TwinTech® heralds another advancement in insulation manufacture - the dual forming technique ensures there is a smooth finish on both sides of the insulation, which improves product handling and appearance.

Earthwool® glasswool insulation is made using up to 80% recycled glass and with ECOSE® Technology, a sustainable, bio-based binder that contains no added formaldehyde.

Now with enhanced moisture resistance thanks to DriTherm® technology. Earthwool® glasswool insulation is silicone treated, which provides moisture resistance for 50 years.












Model Name
Earthwool® glasswool insulation: wall
Model Number
Roll or Segment
R Value
Coverage Area (sq. mtr.)


Earthwool® glasswool insulation is a high performance product with environmental and sustainability credentials. Earthwool® glasswool insulation is manufactured using the latest state-of-the-art technology, industry leading innovation and certified manufacturing processes to deliver one of the most sustainable and environmentally friendly glasswool products available in New Zealand.<br><br>Earthwool® glasswool insulation is manufactured using up to 80% recycled glass that is made up of post-consumer glass bottles rather than plate glass from the window industry. This process removes glass bottles from landfill, turning them into high performance, energy saving Earthwool® glasswool insulation products. The ECOSE® Technology binder that is used to manufacture Earthwool® glasswool insulation replaces the phenol formaldehyde that is used by other glasswool manufacturers.<br> <br>As a result of using a binder with no added formaldehyde, Earthwool® glasswool insulation is supported by Eurofins Indoor Air Comfort Gold as an “outstanding material” according to VOC and Indoor Air Quality Emissions certification.

Warranty & Returns

50 Year Warranty

We will gladly assist with returns and exchanges of this product in accordance with our returns and exchanges policy.

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