Isover Climcover Roll Alu2 – Aluminium Foil-Faced Duct Insulation

Isover Climcover Roll Alu2 is a strong, flexible and lightweight glass mineral wool roll designed for the thermal insulation of circular metal ductwork. Its reinforced aluminium foil facing provides an inherent vapour barrier and a clean, professional finish, helping to control temperature, reduce energy loss and improve system efficiency.

Why choose Isover Climcover Roll Alu2

Professional vapour barrier – aluminium foil facing with taped joints for moisture protection

High thermal performance – λ as low as 0.032 W/m·K at 10°C mean temperature

Lightweight and flexible – quick to cut, shape and fit on site

Euroclass A2-s1,d0 fire classification for excellent fire safety

82% recycled glass content and manufactured using 100% renewable electricity

Eurofins Indoor Air Comfort® Gold – highest indoor air quality certification

Typical applications

• Thermal insulation of circular metal ductwork

• Ventilation and air-conditioning systems

• HVAC systems requiring a built-in vapour barrier

• Projects needing a neat, foil-faced finish

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 Temperature (°C) 10 40 50 100 120

Declared Thermal Conductivity (W/m·K) 0.032 0.037 0.039 0.049 0.054

Standards and certifications

• Fire Classification: Euroclass A2-s1,d0 to EN 13501-1

• Eurofins Indoor Air Comfort® Gold Certification

• Manufactured from up to 82% recycled glass

• Powered by 100% renewable electricity

Installation guidance

• Measure and cut to required length using a sharp insulation knife.

• Wrap around the duct, ensuring the aluminium facing is outermost.

• Seal all longitudinal and circumferential joints with aluminium foil tape to maintain vapour barrier integrity.

• Secure mechanically with stainless steel bands or wire at recommended centres.

Recommended with this product

Aluminium foil tape – for sealing joints and maintaining vapour barrier

Stainless steel bands or wire ties – for secure fixing around ductwork

Protective gloves – for comfortable handling of mineral wool

Dust mask/respirator – for safety when cutting

Sharp insulation knife – for clean, accurate cuts

Isover Climcover Roll Alu2is a foil-faced glass mineral wool roll for insulating circular metal ductwork, providing thermal efficiency and vapour barrier protection.

Download The Full Data & Spec Sheet

Declaration of Performance for Isover Climcover Roll Alu2confirming compliance with EN 13162 and Euroclass A2-s1,d0 fire classification.**

Download The Full Data Sheet **

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