Rock Mineral Wool - Earthwool Rock Mineral Wool: Soffit Linerboard

Earthwool Rock Mineral Wool: Soffit Linerboard


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  • Excellent thermal and acoustic properties
  • Fire resistant
  • High compression resistance
  • Robust solution for installation in exposed or semi exposed environments.

Product Description

Earthwool® Rock Mineral Wool: Soffit Linerboard is a laminate of fire resistant slab with a tough, puncture resistant black tissue facing. It is suitable for the thermal and acoustic insulation of residential and non-residential soffit applications, whilst also providing enhanced fire resistance performance.

Earthwool® Rock Mineral Wool: Soffit Linerboard is 1,200 x 600mm for ease of handling. The non-combustible nature of the insulation in Earthwool® Rock Mineral Wool: Soffit Linerboard makes it ideal for soffit lining and underlining of car parks and garages.


Product TypeBatt
Facing TypeBlack Tissue Faced


Renovation or New BuildingRenovation & New Building
Building TypeCommercial

Product Range


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



Thermal conductivityAS/NZS 4859.1-
Thermal resistanceAS/NZS 4859.1-
Fire Hazard PropertiesAS/NZS 1530.3Ignitability: 0, Spread of flame: 0, Heat evolved: 0, Smoke developed: 1.
Water Vapour Absorption-Less than 5% by weight when exposed to air at 49°C and 95% humidity for 96 hours.
Microbial Growth-Does not promote or support the growth of mould, fungi or bacteria.
Corrosion Resistance-Will not accelerate corrosion of aluminum, steel or copper.
CombustibilityAS 1530.1Non-combustible.
Temperature Range-Operating temperatures from -18°C to 230°C.
*Earthwool® glasswool only-*data applies to Earthwool® glasswool only