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Knauf Loft Roll 44 is available in 4 different thicknesses. This includes this 100mm loft roll as well as Knauf 150mm Loft Roll, Knauf 170mm Loft Roll, Knauf 200mm Loft Roll.

The numbers on our product names are related to the thermal conductivity of the product. So the lower the number, the better thermal performance that product will give. For example Loft Roll 40 will give a better thermal performance than Loft Roll 44.

Our Glass and Rock Mineral Wool solutions achieve the highest standards for sound absorption, so whatever your application, there's a Knauf Insulation product for it.

Delivering excellent noise absorption, this thermal and acoustic insulation also prevents the growth of fungi, bacteria, and mould, as well as having rot-proof properties. Knauf Loft Roll 44 150mm has been rated non-combustible with the best possible Euroclass A1.

The good news is that if our products are installed correctly, the insulation will last for the building's lifetime. Our Mineral Wool also provides a combination of thermal, fire safety and acoustic performance.

Specifications Thickness (mm)Length (mm)Width (mm)10097251140 (2 x 570mm/3 x 380mm)15064501140 (2 x 570mm/3 x 380mm)15080501140 (2 x 570mm/3 x 380mm)15080501140 (2 x 570mm)6 more rows

The numbers on our product names are related to the thermal conductivity of the product. So the lower the number, the better thermal performance that product will give. For example Loft Roll 40 will give a better thermal performance than Loft Roll 44.

Those who have used Knauf Insulation ECOROLL love it and report little to no itchiness when installing it. Some, in fact, think it has a better consistency than competitors. This R-21 model will work great with other insulation in an attic.