excellent ecological insulation!

Find out all three below. Main advantages of using cotton in your future insulation projects.

What are the benefits of using cotton?

Among the advantages of this insulation, we can mention:

Highest R-value

R-value is the term we use to refer to the resistance of a material to the flow of heat ; materials with higher R values ​​are better insulators.
The R-value of cotton wool insulation is comparable to that of fiberglass (the most common and least environmentally friendly insulation material). If handled well, cotton can serve as an alternative to fiberglass without having to make major changes to your construction plans.

However, keep in mind that it is better to hire a professional for installation. Although raw cotton has a reputation for being easy to install, trying to put wool insulation on cotton without the help of an expert can lead to problems that will later affect the insulation’s R-value.


Using cotton as insulation is safe. You should know that cotton:

  • does not contain formaldehyde;
  • undergoes treatment with non-toxic boric acid;
  • it does not cause allergies or respiratory problems and does not emit toxic fumes during installation or curing.

In addition, cotton wool insulation can improve the structural integrity of your building due to its density. Cotton’s density also allows it to better fill wall cavities and retain more oxygen. Less oxygen in wall cavities reduces the risk of fire spread.


One of the main advantages of using cotton as insulation is that it is environmentally friendly. Its production requires much less energy than most other insulation materials. Also, being made from recycled materials and sourced from a naturally growing plant, the cotton used for insulation is a highly renewable resource.

Why use cotton?

The plant from which cotton is derived represents a renewable resource, making cotton one of the most sustainable insulation materials available. Its ability to retain heat is similar to that of fiberglass. Unlike the latter, it does not contain formaldehyde (a substance that causes cancer).

Many people think that cotton performs better than other insulating materials. Natural insulation materials have their own advantages:

  • they have a low impact on the environment and their production requires little energy;
  • they are biodegradable;
  • they are not toxic;
  • regulate humidity and reduce condensation;
  • give the wooden parts additional protection against moisture,

While the cost of natural insulation materials can put off homeowners, builders, and developers, many find them worth investing in because they not only have a low impact on the environment, but can also allow savings.In fact, you no longer have to use the heaters (no more long-term electricity bills).

Ty’iso, Vannes insulation, is in Pluneret for lost attic insulation in recycled cotton. Removal of old insulation, Attic protection and securing, then blown over 50 cm. Isolation and professional development Ty’iso. https://t.co/9HcMupIxnJ https://t.co/lYqeNCrk8O

How much does raw cotton cost?

cotton costs twice as expensive as fiberglassbut many homeowners opt for cotton insulation for its ability to retain heat and its low environmental impact.

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