Glasswool - Earthwool Acoustic Wall batt


  • Sound absorbing
  • High thermal performance - year round comfort
  • 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® Internal (Acoustic) Wall batt range includes a selection of densities to provide builders, designers, installers and DIYers the opportunity to choose the best acoustic performance for their project. Earthwool® Internal (Acoustic) Wall batts will improve the acoustic performance of the building in which they have been installed by absorbing the transfer of unwanted sound from external sources and between adjoining rooms. Super-soft to handle and install, 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 CodeR-Value (m²K/W)Density (kg/m³)Thickness (mm)Width (mm)Length (mm)Area per pack (m²)Pieces per packApplication
24375322.5 HD209043011606.9814Timber frame
24375332.5 HD209058011609.4214Timber frame
2567362.7 SHD279043011604.9910Timber frame
2515112.7 SHD279058011606.7310Timber frame



Thermal ConductivityASTM C 518-
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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CodeMark (Earthwool)
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