Is sheep wool insulation sustainable?

It is a sustainable, renewable product that is 100% naturally produced by sheep. Very little energy is required to manufacture sheep wool insulation other than washing the product and packing it together.

Is sheep wool insulation safe?

Sheep wool is safe and harmless. It’s non-toxic and purifies the air by absorbing harmful contaminants and neutralizing them. Due to its high nitrogen content, it also does not burn. It’s not an irritant, so it doesn’t require special equipment to work with.

Is sheep's wool a good insulator?

Sheep wool is an excellent insulator due to the nature of wool fibers. It has a low thermal conductivity meaning it doesn’t allow heat or cold to pass through. Sheep's wool has millions of tiny air pockets that trap air and protect a home from extreme temperatures.

Does sheep wool purify the air?

Sheep wool is a natural protein that contains multiple amino acids, and some can absorb harmful contaminants and react by neutralizing them through a process called Chemisorption.

Does sheep wool regulate humidity?

Sheep wool is hygroscopic, meaning it can absorb moisture vapor (up to 33% of its weight) without affecting its insulating capabilities. It’s breathable and can also release moisture very well. It’s an excellent choice for regulating humidity in spaces that are moist or face fluctuating humidity levels.

Is sheep wool insulation expensive?

Compared to conventional types of insulation, sheep wool is more expensive. To determine the cost in your area, call your local supplier as it varies by location.

Does sheep wool insulation burn?

Due to its high nitrogen content, sheep wool is naturally fire-resistant. It will not ignite unless faced with temperatures exceeding 560°C.

Does sheep wool insulation offer sound insulation?

Sheep wool is an excellent sound insulator due to the natural structure of wool fibers. They are dense and have an irregular surface and shape, which makes them very effective at absorbing sound.

What are the advantages of sheep wool insulation?

Its naturally produced, sustainable, and can be recycled. The structure of wool fibers makes it extremely effective for both thermal and acoustic purposes. It does not burn, contains proteins that absorb and neutralize harmful contaminants, and it’s great for regulating humidity due to its breathability.

How long does sheep wool insulation last?

Sheep wool insulation lasts around 60 years. Unlike alternative types of insulation that often lose form and slump as much as 25% over their expected lifetime, sheep's wool will maintain shape and insulation properties.

What are the disadvantages of sheep wool insulation?

The main disadvantage of sheep wool insulation is that it costs more than other types of natural insulation. During processing, it also needs to be cleaned or disinfected for use. Some manufacturers may use harsh chemicals during this process. Look for manufacturers that scour and wash without chemicals.

Learn about Sheep's Wool Batt Insulation

Sheep's wool batt insulation is insulation produced from sheep wool fibers that can be used in homes for thermal and acoustic purposes. Batts can be needle-punched and threaded with wool to maintains shape or held together with a recyclable adhesive and can be bought in the form of batts, rolls, or ropes.

Sheep's wool has a number of benefits. It's a high performing insulator, non-toxic, safe to install, has a longer lifespan the most alternatives and does not support mold growth. It's also 100% natural, renewable and sustainable. Sheep's wool insulation is available in batt or blown-in.

There are no known health issues associated with sheep's wool batt insulation, unlike some mineral wool products. Pricing, quality and fire resistance between manufacturers can vary greatly. If you are concerned about the total embodied energy it's important to understand where the wool was sourced and the manufacturing process.

Sheep's wool batt insulation is a sustainable and renewable product. It is 100% natural and requires very little energy to produce. Wool is also a keratin and therefore does not support mold growth.

The first recorded use of sheep's wool for insulation was by Mongolian nomads. They used felted or woven wool from sheep to insulation the floors and walls of their homes, called ger or yurts.

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