What is the cause of mildew on the wall?

The wall of many people’s families is often exposed to moldy skin. What are the reasons for this? There are many reasons for moldy walls, molds not only affect the appearance of the room, mildew on the walls will cause great harm to human health, wall mold spores in a suitable environment is very easy to breed and spread. What is the reason for moldy walls? Is there any way to deal with it? The following Xiao Bian gave you a brief introduction.

What is the cause of moldy walls?

1. Structure reasons: Most of the buildings are frame structures. Walls are filled with infill walls. Walls and beams are prone to cracks. They are the weak spots for insulation and waterproofing, seep in summer, and cold in winter.

2. Construction reasons: The external wall tiles are indefinite, the brick seams are not full or the seams are not filled; the external wall-filling mortar is not full, there are trachomas, gaps, and cold (heat) bridges; the junction of the wall and the beam The filling is not dense, resulting in cracks; when the doors and windows are installed, the foam filling is not dense and there are gaps.

3. Environmental reasons: The south is rainy in summer, and the air has high humidity. The air is humid in the coastal areas. The northern region has a cold winter climate. The wall is cool and the room temperature is high and condensation is easily generated. The insulation of the external wall itself is not done well, causing the wall to penetrate the cold, resulting in cold walls, indoor water vapor will crystallize into water droplets on the wall, the wall will be wet and moldy hair.

4. Reasons of residence: During the use of the house, no attention is paid to ventilation, and indoor air circulation is not good, resulting in excessive indoor humidity. A damp wall can easily adhere to the floating components containing nutrients in the indoor air to generate mold; indoor Floats containing nutrients in the air are affixed to the wall and are prone to mold.

Wall molds introduction:

Wall mold, also known as wall mold, wall hair, wall cancer, etc., grows in the wet walls of the living room and kitchen, bathroom, balcony, window, pool, etc., is a visible biological flora The most common of the two molds, S. viridum and A. niger, are black and green, and there are now a few brown variants.

Wall mold is a major problem that has not been completely solved in the construction, waterproof, and cleaning service industries for many years. Wall molds can grow both indoors and outdoors. Spore powder flows with the air and encounters damp and warm environments. Adhesion to the surface of the object and rapid propagation, it will not only damage the appearance of the room, more importantly, it directly harms people's physical and mental health and the living environment of the living room.

Wall mold serious damage:

Prolonged exposure and inhalation of mold can cause respiratory diseases and allergic symptoms such as bronchitis, tonsillitis, hay fever, asthma, etc. People with low immunity may also cause headache, fever, inflammation of the skin or mucous membranes.

According to the National Institute of Health and Medical Research, the researchers studied 1,100 adult asthma patients and found that patients who are allergic to mould are five times more likely to be allergic to other substances, and molds can hide a large number of hepatitis viruses and influenza viruses. Wait. Medical authoritative experts reminded: “We must always pay attention to the removal of mildew in our homes”. Not long ago, a documentary report in the newspaper "Mold on the wall, poisoning the whole family, suffocating the coma in the sleep of seven-year-old children" (baidu search can be seen) caused people to pay full attention to the mold of the wall.

Wall mould treatment

1. When the moldy condition of the wall is not serious, it can be wiped or washed with a damp cloth. If it cannot be completely removed, it can be cleaned with bleach, so that the mold can be removed.

2. When you cannot clean the wall with water, then it is best to scrape off the moldy plaque on the wall, and then re-brush it again. As for the method of painting, there is no need to introduce it!

3. It is recommended that you still brush a layer of waterproof paint, latex paint, etc. on the wall, so you can do it once and for all. Then you don't have to worry about this problem!

4. Finally, to remind everyone that it is best to prevent moldy walls. It is recommended that you always maintain a clean and tidy environment in a ventilated room. Then the indoor walls will not be mildewed, and you need not worry about it.

The above points are the information on what is the cause of moldy walls and moldy wall treatment methods for everyone on this site. I believe we will have a certain understanding after reading it. This way, everyone will know a lot. Everyone who wants to know can check it out on our website.

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