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Thermafleece by Second Nature

Second Nature manufactures Thermafleece from British hill sheep's wool to create an exceptionally efficient insulation material in both new build and refurbishment projects which is absolutely safe to use.

Benefits of thermafleece

Wool is a natural fiber from a fully renewable resource. Because of its ability to rapidly absorb and release water vapor, THERMAFLEECE wool insulation can help to keep buildings cool in summer and warm in winter.

Thermafleece is hygroscopic. It can absorb and desorb water vapor without compromising its thermal efficiency. Thermafleece is ideal for use in roofs and timber framed walls designed to avoid a damaging build-up of moisture by allowing water vapor to migrate through the structure. In timber framed walls, thermafleece is the perfect partner for a vapor-permeable breather membrane used on the cold side of the thermal insulation to prevent the infiltration of cold air and wind driven rain and dirt. Heat loss by convection is also substantially reduced because the insulation is protected by the breather membrane preventing air movement across the surface.

Thermafleece and the Environment

The cleaning, air-laying and thermal bonding processing during the manufacture of thermafleece consumes minimal energy. Thermafleece uses only 14% of the embodied energy that is used to manufacture glass fiber insulation. Thermafleece is harmless and can be installed without gloves or protective clothing. Thermafleece is not irritating to the skin, eyes or respiratory tract and causes no discomfort to site workers during installation.

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