Insulate your home with the naturally sourced material of Thermafleece Eco Roll. This super efficient product can be used to insulate your loft, cavity walls & can even be used beneath the floor. Benefits: Made using wool from a natural fiber product & safe to recycle. Application: Ideal for insulating your loft, walls & flooring. Quality: Made in Britain. Did you know? Wool is capable of absorbing around 40% of its weight in water.