CosyWool Roll


CosyWool Roll


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Thermafleece CosyWool Roll

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Rich in British sheep’s wool – easy to install between and over joists and ideal for floors and lofts.

CosyWool Roll from Thermafleece is a versatile insulation rich in British sheeps wool and is the ideal choice if you are looking for all round performance and value for money. Thermafleece is made from 75% British Wool and 25% recycled polyester. Research shows that using 75% wool in combination with recycled fibres outperforms alternative products with a higher percentage of wool. Our wool rich blend ensures you get the full benefit of sheep’s wool with enhanced performance, breathability, durability and sustainability.

Thermafleece CosyWool Roll’s convenient compressed form reduces transport impacts by more than 50% compared to other natural fibre insulation and makes it ideal for quick and easy installation. Once unpacked, it regains its original thickness to provide excellent thermal and acoustic performance.

Thermafleece CosyWool roll is harmless and can be installed without gloves or protective clothing, although we recommend you wear a dust mask in enclosed spaces such as lofts. Thermafleece CosyWool is not irritating to the skin, eyes or respiratory tract.

To retain the benefits of water vapour, absorption and release, Thermafleece CosyWool roll may be used in conjunction with a vapour permeable underlay. Protect the insulation from prolonged exposure to sunlight when unpacked and avoid wetting for extended periods, store under cover and clear of the ground.

Thermal Conductivity: 0.039 Wm-1K-1
Water Absorption (@100% RH): 30% w/w
Specific Heat Capacity: 1800 Jkg-1K-1
Mould Resistance: CUAP 2002-01-25: Pass
Moth/Beetle Proofing: ISO 3998: Pass
Vapour Resistivity: 9 MN·s·g-1m-1
BS 5803-4, Flammability & Smoulder Resistance: Pass
EN11925-2, Reaction to Fire:Pass
Fire Classification: EuroClass E
Recoverability and thickness, EN 823: Pass
Dimensional stability to EN 1604: Pass
Can be used to achieve airborne sound reduction of Rw= 40dB
GWP (A1-A3) inc. biogenic carbon: 0.05kgCO2e for R1
Recycled Content: 20%
Recyclable: Yes


Technical Data Sheets





ProductThicknessWidthLengthRolls per packCoverage per pack
CosyWool Rolls50 mm370 mm13 m314.43 m²
CosyWool Rolls50 mm570 mm13 m214.82 m²
CosyWool Rolls75 mm370 mm8.5 m39.44 m²
CosyWool Rolls75 mm570 mm8.5 m29.69 m²
CosyWool Rolls100 mm300 mm6.5 m47.8 m²
CosyWool Rolls100 mm370 mm6.5 m37.22 m²
CosyWool Rolls100 mm400 mm6.5 m37.8 m²
CosyWool Rolls100 mm570 mm6.5 m27.41 m²
CosyWool Rolls140 mm370 mm4.6 m35.11 m²
CosyWool Rolls140 mm570 mm4.6 m25.24 m²
CosyWool Rolls150 mm370 mm4.3 m34.77 m²
CosyWool Rolls150 mm570 mm4.3 m24.9 m²
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