Glasswool - Earthwool glasswool insulation: Quilted Underfloor batt


  • High thermal performance - year round comfort
  • Wind-wash barrier - protection from air movement
  • Non-combustible
  • Saves energy - lower energy bills
  • No added formaldehyde
  • Ultimate comfortable install experience
  • Can be stapled in place
  • Compression packed - more product per pack
  • Odourless.

Product Description

Earthwool® glasswool: Quilted Underfloor batts provide a superior solution for improving the thermal performance of timber frame floors. The wind-wash barrier provides protection from air movement under the floor. Adding to the already easy to handle and install qualities of Earthwool® glasswool, the insulation is completely wrapped in film and can be stapled in place. Earthwool® glasswool: Quilted Underfloor batts will improve the thermal comfort and energy efficiency of the building in which they have been installed thus keeping it cool in summer and warm in winter. Earthwool® glasswool is made using up to 80% recycled glass and with ECOSE® Technology, a sustainable, bio-based binder that contains no added formaldehyde.


Product TypeEncapsulated
Facing TypeEncapsulated


Renovation or New BuildingRenovation & New Building

Product Range


Material CodeR-Value (m²K/W)Thickness (mm)Width (mm)Length (mm)Area per pack (m²)



Thermal conductivityASTM C 518AS/NZS 4859.1: 2002.
Thermal resistanceASTM C 653AS/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.
*Earthwool® glasswool only-*data applies to Earthwool® glasswool only and excludes plastic film


BRANZ Appraisal
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