What is the cause of the watermark on the wall and what are the treatment methods?
1. water leakage: water leakage on the wall is one of the most common reasons, usually caused by the damage of the waterproof layer of the external wall or the structural problems of the building. After rainwater or groundwater seeps into the wall, a watermark is formed on the wall.
2. Water vapor condensation: In a humid environment, water vapor condensation often occurs on the wall. When the indoor temperature is high, the outdoor temperature is low or the wall is cold, the water vapor will condense into water droplets and form a watermark.
3. Water pipe leakage: Water pipe leakage is also one of the common reasons. Water pipes leak in the wall, and the wall will be soaked by water, forming a watermark.
You can take the following measures to deal with the watermark on the wall:
1. Repair the leakage problem: find out the causes of wall leakage, such as whether the waterproof layer of the external wall is damaged. Leakage can be repaired by repainting waterproof coating, repairing damaged waterproof layer or repairing wall structure.
2. Strengthen indoor ventilation: increasing indoor ventilation can reduce the possibility of water vapor condensation. Ventilation equipment, such as exhaust fans, can be installed or windows can be ventilated.
3. Water pipe maintenance: If the water pipe leaks and there is a watermark on the wall, it is necessary to find the leaking point and carry out maintenance. You can ask professionals to check the water pipes, repair or replace them.
4. Clean the wall surface: The watermark on the wall surface can be removed by cleaning agents such as bleach or mildew remover. Wipe the wall with a wet cloth first, then spray the detergent on the watermark, brush it lightly with a brush, and finally wipe it clean with a clean wet cloth.
To sum up, there are many reasons for the appearance of watermark on the wall, and the treatment methods mainly include measures such as repairing leakage, strengthening indoor ventilation, repairing water pipes and cleaning the wall.