How to avoid sick building syndrome? Choose safe interior materials


In recent years, as housing has become more airtight, indoor air pollution caused by chemical substances generated from building materials and the resulting health hazards have been pointed out, and it is called “sick house syndrome.”

Symptoms vary from person to person, such as headaches, dizziness, and flickering eyes.


What Causes Sick Building Syndrome?

Highly airtight and highly insulated housing

In recent years, the performance of houses has been steadily evolving, and the airtightness and heat insulation are becoming higher. There are many merits such as keeping the indoor temperature constantly and improving the cooling and heating efficiency, but, on the other hand, there is also the demerit that harmful substances and humidity generated in the room are trapped.

Changes in building materials

Previously, interior materials used indoors were mainly of natural origin, such as wood, pulp, and fibers. However, currently, many new building materials are used, such as PVC products and plywood with plenty of adhesives.

These new building materials bring many benefits to our living lives due to their low cost and high dimensional stability.

However, there are many disadvantages such as causing sick building syndrome due to the high content of chemical substances and the heavy burden on the environment when disposing of it.

It has no moisture permeability and is prone to mold.

The combination of airtight housing and new building materials is also prone to mold, which can also cause sick building syndrome.

For example, vinyl wallpaper, which is widely used as an inexpensive wallpaper, is not breathable. The vinyl coating seals the walls, blocking the flow of moisture and air. Moisture buildup inside the walls increases the risk of condensation and mold. Depending on the environment, it is not uncommon for the back side of the wallpaper to become full of mold.

Molds release toxins and can cause allergies and infections. Health hazards caused by mold are also one of the sick building syndromes.



How to deal with sick building syndrome

Ventilate well

It is important to discharge the generated chemical substances to the outside of the room.

Make sure to ventilate sufficiently, such as installing a ventilation system and opening windows regularly to ventilate.

Review your lifestyle and acquire resistance

Try to live a healthy life with a well-balanced diet, proper exercise, and good sleep. Poor resistance makes you more susceptible to even the slightest toxic substances.

Select interior materials that chemical substances are not contained.

When building a new building or remodeling, choose an interior material that contains as little chemicals as possible. However, it may not be practical in terms of cost and performance to cover everything with natural materials. We want to check the materials and additives, and then, select them in a well-balanced manner.


What is “Lemilliur”, a wallpaper that reduces the risk of sick building syndrome?

Reasons why vinyl wallpaper is not recommended

When choosing an interior material while considering the risk of sick building syndrome, the first thing to consider is wall covering. This is because the wall occupies a fairly large area in the interior.

Vinyl wallpaper is commonly used as an inexpensive interior material, but it is not recommended if you want to avoid sick building syndrome. ..

This is because various chemical substances are added to polyvinyl chloride (PVC), which is the main component of vinyl wallpaper. A large amount of plasticizer is added to give flexibility when processing as wallpaper. In addition to plasticizers, various chemicals such as fungicides, flame retardants, and colorants are used. Over time, these chemicals are released throughout the room as volatile organic compounds (VOCs). Moreover, phthalates, which are the most common chemical substances as plasticizers, have been pointed out as having a cancer risk.

There is also the risk that the walls will become a hotbed of mold as they trap moisture.

PVC-free fleece wallpaper “Lemilliur”

Our original fleece wallpaper “eterno” series is a fleece wallpaper made mainly from pulp. Since it is PVC-free and does not contain plasticizers, the risk of sick building syndrome can be kept low. In addition, it is painted with water-based paint, does not form a complete film like vinyl wallpaper, and has high moisture permeability and breathability.

The product I would like to recommend in the “eterno” series is “Lemilliur”.

“Lemilliur” uses a paint with VOC (formaldehyde / acetaldehyde) adsorption / removal function as a finish. It adsorbs and removes formaldehyde and acetaldehyde floating in the air, and then, creating a safe and comfortable space.

“Lemilliur” gives a sense of security and beauty to your living space

The appeal of “Lemilliur” is not just that it is safe and secure.

“Lemilliur” has 3 types of embossing and 18 color variations.

The matte water-based paint gives a beautiful finish and the colorful hues make the room beautiful.

Click here for details on “Lemilliur”


You can download the “Lemilliur” catalog

Please feel free to contact us for inquiries and sample requests.




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