Heatkeeper energy saving insulation

HEATKEEPER Natural Sheep's Wool Insulation

HEATKEEPER Natural Sheep's Wool Insulation is manufactured from the natural wool of sheep. We supply 100mm thick rolls of sheep’s wool insulation in two widths – 400mm and 600mm. These widths match the standard spacing between the joists of the majority of properties. With each pack supplied an area of 9.6 square metres can be fitted, as detailed in the following table:

Pack Contents	Space between Joists = 400mm	Space between Joists = 600mm
Number of Rolls	3	2
Width of Each Roll	400mm	600mm
Length of Each Roll	8 metres	8 metres
Total Area (Width x Length x No. Rolls)	9.6 sq. metres	9.6 sq. metres
Thickness of Insulation Material	100mm	100mm

Features & Benefits of HEATKEEPER Natural Sheeps' Wool Insulation

HEATKEEPER Natural Sheep's Wool Insulation is ideal for use in both new-build and refurbishment projects. It is safe, natural, healthy and green. Its thermal and acoustic properties make it a highly effective alternative to mineral-based insulation. Its technical specification enables use in a wide variety of roof, wall and floor constructions.

HEATKEEPER Natural Sheep's Wool Insulation is made from natural fibre obtained from a renewable resource. It has the ability to absorb and release water vapour and can help to keep buildings cool in summer and warm in winter.

HEATKEEPER Natural Sheeps' Wool Insulation has a host of physical properties and environmental benefits:

Strong, durable, easy to handle and install.
Good thermal performance.
Made from a renewable resource.
Minimal energy used in the manufacturing process.
Reusable and recyclable.
Fire resistant.
Helps to regulate moisture levels in buildings.

The Advantages of HEATKEEPER Natural Sheep's Wool Insulation are:

Winter warmth: In the winter the absorption of moisture by wool insulation can increase peak temperature by up to 4°C when compared to buildings in which alternative forms of insulation are installed.

Summer freshness: When the outside temperature increases the wool releases moisture. This has a cooling effect on the fibre which reduces the flow of heat to the inside of the building. This can reduce peak temperature by up to 7°C compared to buildings in which alternative forms of insulation are installed.

Made from a sustainable resource

Energy efficient: Only 15 kW of energy is used to produce 1m³ of sheep’s wool insulation. The cleaning, air-laying and thermal bonding processing during the manufacture of HEATKEEPER Natural Sheep's Wool Insulation consumes minimal energy. It uses only 14% of the embodied energy that is used to manufacture glass fibre insulation, therefore paying back its manufacturing energy cost seven times faster than glass fibre.
Recyclable: At the end of its useful life, wool can be recycled for other environmentally friendly applications.
Biodegradable and contains no permethrin, pyrethroids, pesticides or formaldehyde.

Ideal for newly built houses, refurbishment of existing properties and, simply, to renew other forms of insulation (say loft insulation) that need replacing.

HEATKEEPER Natural Sheep's Wool Insulation helps preserve timber constructions

Wool can absorb up to 33% of its own weight in moisture generating around 1000 kilojoules of heat for every kilogram of wool moving the temperature above dew-point. Wool generates heat when it absorbs moisture from the air. When the air is saturated with water vapour, wool absorbs some 40% of its dry weight in moisture, producing 960 kilojoules of heat energy for every kilogram of dry wool. This warmth is not noticeable inside the building but it acts to prevent condensation in construction cavities by maintaining the temperature above the dew-point in damp conditions.

Durable

HEATKEEPER Natural Sheep's Wool Insulation will not degenerate or decompose over time. Properly installed, wool will retain its low density and thermal performance and will last the lifetime of the property unlike many other forms of insulation which have to be replaced about every 10 years. Due to the high elasticity of wool fibres HEATKEEPER Natural Sheep's Wool will not settle and the fibre adapts to the shape of rafters, joists and studs to provide a permanently tight fit.

Breathable and water resistent

Wool, being hygroscopic, can absorb and dissipate water vapour without compromising its thermal efficiency. It is therefore ideal for use in roofs and timber-framed walls designed to avoid a damaging build-up of moisture by allowing water
vapour to migrate through the structure. Some other forms of insulation, for example fibre glass, is adversely affected by water penetration that collapses the fibres forcing out the insulating still air within.

Safety benefits

Proven to eliminate toxic substances like formaldehyde.
Helps prevent 'sick building syndrome'.
Improves the room climate.
No carcinogenic fibres.
Contains no chemical binders, pyrethroids or formaldehyde.

Safe to install and safe in use

No toxic gases develop in the event of fire.
Not easily ignited because of its high ignition point (which is at 560°C) and its high nitrogen content (approximately 16%). Wool has higher fire resistance than cellulose and cellular plastic insulations; it does not burn but rather melts away from an ignition source and extinguishes itself.
HEATKEEPER Natural Sheep's Wool Insulation is harmless and can be installed without gloves or protective clothing. It is non-irritant to the skin, eyes and respiratory tract and causes no discomfort during installation. Any fibres which happen to reach the living space present no hazard to health.

Download HEATKEEPER Natural Sheep's Wool Insulation Installation Guide

The Nature Of Wool

Wool is the fibre derived from the specialized skin cells, called follicles, of animals in the Caprinae family, principally sheep. Wool has several qualities that distinguish it from hair or fur: it is crimped; it has a different texture or handle; it is elastic; and it grows in clusters.

Wool's scaling and crimp help the individual fibres attach to each other so that they stay together. Because of the crimp, wool fabrics have a greater bulk than other textiles and retain air, which causes the product to retain heat. This is why sheep can thrive in very cold temperatures.

Wool fibres are hygroscopic. This means wool has the power to readily absorb and give off moisture. It can absorb moisture almost one-third of its own weight. Wool also absorbs sound and so has excellent acoustic properties.
Wool ignites at a higher temperature than cotton fibres and some synthetics. It has lower rate of flame spread, low heat release, and low heat of combustion. Wool doesn't melt or drip. It forms a char which is insulating and self-extinguishes and contributes less to toxic gases and smoke than many other materials used in buildings and homes.

Wool products are specified for high safety environments such as trains and aircraft. Wool is usually specified for garments for fire-fighters, soldiers, and others in occupations where they are exposed to the likelihood of fire.

Wool is static resistant as the retention of moisture within the fabric prevents a build up of static electricity. Wool is considered by the medical profession to be hypoallergenic.

Sustainability: Wool is the ultimate “green” product and is truly sustainable. A yearly clip of wool is available as a byproduct of sheep farming.

Technical Information

Download Technical Information about HEA TKEEPER Natural Sheep's Wool Insulation

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