Glasswool - Earthwool Wall batt

Earthwool Wall batt


  • TwinTech® - smooth finish on both sides
  • High thermal performance - year round comfort
  • Sound absorbing
  • Non-combustible
  • Saves energy - lower energy bills
  • No added formaldehyde
  • Soft to handle and install
  • 50 year warranty
  • Compression packed - more product per pack
  • Odourless.

Product Description

The Earthwool® Wall batt range includes a selection of R-values to provide builders, designers, installers and DIYers the opportunity to choose the best thermal performance for their project. Earthwool® Wall batt will also absorb the transfer of unwanted sound from outside to inside the building. In addition to sound absorption, Earthwool® Wall batt will 
improve the thermal comfort and energy efficiency of the building in which it has been installed thus keeping it cool in summer and warm in winter.

The super-soft and easy to handle benefits of Earthwool® have been further enhanced with TwinTech®. TwinTech® heralds another advancement 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® is made using up to 80% recycled glass and with ECOSE® Technology, a sustainable, bio-based binder that contains no added formaldehyde.


Product TypeBatt
Facing TypeUnfaced


Renovation or New BuildingRenovation & New Building
Building TypeResidential & Commercial

Product Range


Material CodeApplicationR-Value (m²K/W)Thermal Conductivity (W/mK)Thickness (mm)Width (mm)Length (mm)Pieces per packArea per pack (m²)
2437521Timber frame1.50.0507543011604220.9
2437523Timber frame1.50.0507558011604228.3
683634Timber frame2.0 HD0.0387543011602010.0
683686Timber frame2.0 HD0.0387558011602013.5
683687Metal frame2.0 HD0.0387545012002010.8
683688Metal frame2.0 HD0.0387560012002014.4
2437525Timber frame2.00.0459043011603216.0
2437528Timber frame2.00.0459058011603221.5
2437532Timber frame2.5 HD SoundShield0.036904301160147.0
2437533Timber frame2.5 HD SoundShield0.036905801160149.4
256736Timber frame2.7 SHD SoundShield Plus0.033904301160105.0
251511Timber frame2.7 SHD SoundShield Plus0.033905801160106.7
683675Timber frame4.0 HD SoundShield Plus0.035140430116094.5
683664Timber frame4.0 HD SoundShield Plus0.035140580116096.1

All dimensions are nominal. | HD = High Density | SHD = Super High Density



ThermalAS/NZS 4859.1 (2018)-
Fire Hazard PropertiesAS/NZ 1530.3Ignitability: 0, Spread of Flame: 0, Heat Evolved: 0, Smoke Developed: 0-1.
Water Vapour Absorption-Less than 5% by weight.
Microbial Growth-Does not support microbial growth.
Corrosion Resistance-No greater than sterile cotton.
CombustibilityAS 1530.1Non-combustible.


BRANZ Appraised
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GreenTag Level A Certification
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EUCEB (UK plant)
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Eurofins (Unfaced Glass Mineral wool)
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CodeMark (Earthwool)
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Download DOCX
Download DOCX
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