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Thermafleece CosyWool Roll is a high-performance, sustainable insulation solution made from 75% British sheep’s wool and 25% recycled polyester. This carefully engineered blend offers superior thermal and acoustic performance, breathability, durability, and sustainability—delivering excellent all-round value. Why Choose CosyWool? • Proven Performance: Research shows that a 75% wool blend with recycled fibres outperforms higher wool content alternatives. • Sustainable and Efficient: Compressed for transport, CosyWool reduces delivery volume by over 50%, helping to cut carbon emissions. • Easy to Use: Lightweight and safe to handle, the roll expands back to its full 100mm thickness after unpacking—perfect for fast, hassle-free installation. Technical Specifications • Material: 75% British wool, 25% recycled polyester • Thickness: 100mm • Widths: 300mm, 370mm, 400mm, 570mm • Roll Length: 6.5m • Thermal Conductivity: 0.039 W/m·K • Sound Absorption (NRC): 1.05 @ 100mm • Sound Reduction (RW): 40dB @ 75mm • Water Absorption: 30% by weight @ 100% RH • Flammability (BS 5803-4): Pass • Moth/Beetle Resistance (ISO 3998): Pass Roll Sizes Width (mm) Area (m²) Roll Length Rolls/Pack 570 7.41 6.5m 2 Installation Guidance CosyWool is safe to handle and can be installed without gloves or protective clothing. In confined spaces such as lofts, a dust mask is recommended. The product is non-irritating to skin, eyes, and respiratory systems. To maximise breathability, install with a vapour-permeable underlay. Keep the material dry and store under cover, away from direct sunlight and off the ground. Location Much Hadham, Hertfordshire, SG10 7ED what3words