Versatile, good value for money and designed for all-round performance, this Thermafleece CosyWool Sheep’s Wool Loft Insulation is a fantastic insulation option. It is rich in British sheep’s wool, making it both durable and sustainable.
With a compressed form, transport impacts are reduced by 50% more than other natural insulation. This makes for easy and fast installation processes. Your Thermafleece will return to its thickness when unpacked and from there will provide long-lasting, moisture regulating thermal and acoustic performance.
Features & Benefits: Sheeps Wool Loft Insulation CosyWool by Thermafleece 140mm x 570mm – 5.24m2
- Designed for wall, floor and roof applications
- >500°C ignition point
- 1800 Jkg-1K-1 specific heat capacity
- 30% w/w at 100% RH water absorption
- Long-lasting and safe to handle
- 18kg/m³ density
- Two items per pack with a pack coverage of 5.24m² coverage
- 0.039W/mK thermal conductivity
- Versatile and good value for money
Studies indicate that using 75% wool in combination with recycled fibres outperforms products with a higher percentage of wool. This rich wool blend features a range of benefits, including enhanced performance and safe handling. This Thermafleece is kind to indoor environments and absorbs any harmful airborne substance.
This pack includes two items and has a 5.24m² coverage. It is compatible with various applications, such as loft and warm roofs, acoustic insulation, timber frame and solid walls (internal), and all floors above DPC. It can also be used to achieve airborne sound reduction of Rw = 40dB.


















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