Help & Technical Information

Breathability is a property that prevents the accumulation of harmful water—liquid water or persistently high humidity—within a building’s...

Making a like-for-like comparison between PIR boards and Thermafleece is challenging because they are completely different products. Choosing the...

“Mineral fibre” is a general term for common insulation materials like fibreglass and rockwool. While Thermafleece and mineral fibre can...

Thermafleece CosyWool is compress-packed to minimise packaging waste and reduce the environmental impact of transportation from the factory. Because...

In an acoustic system, Thermafleece acts as the absorbent layer within voids, breaking up sound waves to prevent them from bouncing or echoing. Why...

Thermafleece is designed to be compatible with the natural environment. Our use of borax (sodium borate) provides essential protection against...

While Thermafleece is primarily composed of British sheep’s wool (75% by weight), we incorporate a small amount of polyester to ensure the...

Because sheep’s wool is naturally susceptible to clothes moths, it must be protected to ensure long-term integrity. All Thermafleece wool is...

Airtightness, vapour control and breathability play a critical role in the operational performance of buildings. Understanding how they work together...

Our insulation is made using British wool, sourced from hardy sheep breeds that thrive in the hills and mountains of England, Scotland, and Wales. By...