Thermafleece are the UK’s leading brand of natural and sustainable insulation. Launched in 2000, they were the UK’s first British sheep’s wool insulation company. Thermafleece's success has been built on their commitment to performance, quality and service in all their products. Thermafleece have an expansive range of insulation solutions such as Thermafleece CosyWool roll, Thermafleece CosyWool slabs and Supaloft. Our range of Thermafleece insulation includes a wide range of products in a variety of thicknesses. Take a look at our full Thermafleece insulation range online today.