Thermafleece UltraWool – High Density Sheep's Wool

Rich in British sheep’s wool - designed to give extra thermal performance where depth is limited and our highest level of acoustic performance


Thermafleece UltraWool is a high density, highly efficient insulation made from 75% British sheep’s wool and 25% recycled polyester. UltraWool is the ideal choice if you are looking for maximum thermal performance when space is at a premium. What’s more, with a density of 31 kg/m3 Thermafleece UltraWool helps provide exceptional acoustic insulation performance in wall, floor and roof systems.