Glasswool - Earthwool glasswool insulation: External Wall batt

Earthwool glasswool insulation: External Wall batt


  • 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® glasswool insulation: external wall batt range includes a selection of R-Values and densities to provide builders, designers, installers and DIYers the opportunity to choose the best thermal and acoustic performance for their project. Earthwool® glasswool insulation: external wall batt will absorb the transfer of unwanted sound from outside to inside the building. In addition to sound absorption, Earthwool® glasswool insulaiton: external 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. Super-soft to handle and install, Earthwool® glasswool is made using up to 80% recycled glass and 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)Thickness (mm)Width (mm)Length (mm)Pieces per packArea per pack (m²)Packs per MasterBagMasterBags per Supakube
529446Metal frame1.35060027002032.4044
471045Timber frame1.45058011603825.5744
529447Metal frame1.97560027001422.6844
471038Timber frame2.29058011602919.5144
471039Timber frame2.49058011602013.4644
471070Timber frame2.6904301160146.9855
471071Timber frame2.6905801160149.4244
471040Timber frame2.8904301160104.9955
471041Timber frame2.8905801160106.7344
470319Timber frame3.614058011601510.1044
471042Timber frame3.214058011602214.8044
505604Timber frame4.1140580116096.1044



Thermal conductivity-ASTM C 518 and AS/NZS 4859.1: 2002.
Thermal resistance-ASTM C 653 and AS/NZS 4859.1: 2002.
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.


Green Tag Level A Certification
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BRANZ Appraised (Earthwool glasswool)
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CodeMark - Earthwool glasswool
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Eurofins Gold
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