Wool. Smart Technical Fibre

---

Wool is a superb thermal insulator. That is what it evolved to do. It is comparable or better than either stone or glass "wool"

But it also manages warm conditions far better. It has a high Specific Heat Capacity and high thermal mass helping to keep your property cool in summer

The exterior of a wool fibre is hydrophobic so it doesn't feel wet. The interior is hygroscopic meaning it can absorb moisture vapour in times of high humidity and release it in the form of heat in times of low humidity. Hygroscopic materials are very important in managing the health of the building and the health of occupants. Managing humidity within a building also has an effect on energy demand and therefore cost

Sheep wool insulation is fully breathable and can manage the conditions of both old and new buildings

Sheep wool absorbs and locks away Volatile Organic Compounds such as formaldehyde which are found in many common household goods. It therefore can contribute to a healthy indoor environment

Thickness mm             Thermal Resistance m2 k/w    

100                                2.516

150                                3.774

200                                5.032 

250                                6.29

Thickness           50mm, 75mm

Widths                400mm,  600mm

Length                8m

Thermal Conductivity 0.040W/mk

Ignition Point                >520° C

Reaction to Fire           EN13501  

Flammability                ISO19925-2 

Truewool® only uses accredited British Wool. British Wool is an undervalued resource and every kilogram of wool we buy helps to support the UK's hard-pressed rural economy. 

All our wool is sourced from Wales.