Isover CLIMCOVER Roll Alu2

CLIMCOVER Roll Alu2 can be considered for the thermal and acoustic insulation of circular metal ductwork. The strong, flexible and lightweight glass mineral wool rolls are easy to handle and feature an aluminium foil facing, which provides an inherent vapour barrier and a professional finish.

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Product Features

  • 1.2m wide glass mineral wool roll with an aluminium foil facing.
  • Supplied in 25-50mm thicknesses.
  • Manufactured from up to 82% recycled glass.
  • Achieves Eurofins Gold certification, the highest accreditation for indoor air quality.

Fire Classification

Euroclass A2-s1,d0 Reaction to Fire classification according to EN 13501-1.

Product Specification

Thickness (mm) Length (m) Width (m) Roll area (m²) Pallet area (m²)
25 18.00 1.20 21.60 388.80
40 12.00 1.20 14.40 259.20
50 9.00 1.20 10.80 194.40

Thermal Conductivity

Mean temp °C 10 40 50 100 120    
Declared thermal conductivity (W/m.K) 0.032 0.037 0.039 0.049 0.054    

Product Benefits

  • Thermal Performance - Offers energy savings through helping to control temperatures and reduce heat loss or gain within ductwork.
  • Easy to Install - Lightweight and offers a combination of flexibility and mechanical strength, allowing fast and efficient cutting and fitting.
  • Acoustic Benefits - The fibre structure of glass mineral wool traps sound energy and dissipates it within its thickness, helping to improve the acoustic comfort of those living or working within the building.
  • Fire Classification - Achieves a Euroclass A2-s1,d0 Reaction to Fire classification, according to EN 13501-1.
  • Sustainability - Manufactured from up to 82% recycled glass on a plant that uses 100% renewable electricity. For further details visit

Key Considerations

When using Isover CLIMCOVER Roll Alu2, you need to satisfy yourself that use of the product meets all relevant national Building Regulations and guidance as well as local, national and other applicable standards relevant for your construction or application, including requirements in relation to fire.

Please refer to the following product documents: