Sheep wool is becoming decreasingly popular in recent years, with many lab-generated materials taking its place. But are you getting enough for your wool? Or what alternatives are there? Last week we looked at using sheep’s wool, as plant fertiliser. This week, we are looking at sheep’s wool, used as insulation.
Insulation, as I am sure you know, is a good way of keeping heat in your home. It is one of the best, natural, ways to save energy. Gone are the days of horrible insulation, with sheep wool now taking over!
There are many reasons why sheep wool seems a better alternative, which are listed below.
- Sheeps wool is an excellent insulator. Sheep are well-known for their ability to survive the harshest of weather conditions, due in part to their thick wool. This helps protect them from extreme heat and cold conditions. Wool, due to its fibres being crimped, form millions of air pockets, which help provide a thermal barrier and blocks heat from leaving. Sheep wool has a thermal conductivity of between 0.0035 - 0.04 W/mK.
- Sheep wool is a good air purifier. It has a great ability to absorb and neutralise substances which may be harmful. The wool can also absorb odorous substances, meaning it helps rid you of bad smells. This includes odours from substances such as Formaldehydes, Sulphur Dioxide, Nitrogen Dioxide and many more.
- Sheep wool can regulate humidity: Not only can sheep wool absorb one third of its weight in moisture, but it can do this without compromising its ability to insulation. Water vapour is absorbed by the core of sheep wool fibre, making it great at combating condensation.
- It doesn’t burn or itch: Unlike other insulations, sheep wool does not burn or itch. Infact, if sheep wool got on fire, it would extinguish itself eventually. It naturally resists flaming and, due to its high nitrogen content, is highly inflammable. You can actually heat wool to over 560 degrees, before it will burn. Unlike rock and glass wool, real sheep wool does not cause major irritation and will not cause damage to your lungs and eyes. It is very soft to touch and unless you have a severe wool allergy, Its that easy to work with, you will wonder why you used the fibreglass and rock alternatives in the first place!