Thermafleece CosyWool is a versatile insulation rich in sheeps wool and is the ideal choice if you are looking for all round performance and value for money. 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 sheeps wool with enhanced performance, durability and sustainability. Thermafleece CosyWools convenient compressed form reduces transport impacts by more than 50% compared to other natural insulation and makes it ideal for quick and easy installation. Once unpacked, it regains its original thickness to provide excellent thermal and acoustic performance. 19.66m2 coverage per pack. 42 slabs per pack. Properties Length: 1.2m. Width: 390mm. Thickness: 50mm. Pack quantity: 42x slabs. Pack coverage: 19.66m2. Thermal conductivity: 0.039 W/mK. Water absorption (@100% RH): 30% w/w. Specific heat capacity: 1800 Jkg-1K-1. Ignition point: >500C. Density: 18 kgm-3. Can be used to achieve airborne sound reduction of Rw 40dB. Application Roofs: loft & warm roof. Walls: timber frame & solid (internal). Floors: all levels above DPC. Acoustic: walls, floors & roofs.