Many people just finished their new home renovation before they found that the wall was wet with dark spots or water leakage on the roof or walls. In some homes, the walls would be wet or even moldy every winter. Mao, all kinds of phenomena have brought a lot of inconvenience to family life, then what should I do? Why does the wall seep? Today Xiao Bian gave everyone a talk about the wall seepage maintenance program for everyone to refer to.
Why does the wall seep?
1, no insulation
In the past, many houses had no insulation in the wall. In winter, the temperature difference between the interior and exterior was large. Therefore, the wall was cold and hot inside. The wall was high in temperature, so the condensate was formed on the wall, which caused the wall to be damp. Facing the wall, this situation generally only occurs in the winter, and it will be good in the summer, but the aftereffect is that it will leave a lot of unsightly mildew and affect the appearance of the wall.
2. Leakage of water pipes in the wall
Walls caused by leakage of embedded pipes in the wall are generally damp. Generally, such conditions occur near the bathroom, or on the top of the house, or on the wall surface. Generally, there are leaks in the embedded pipe joints. Whether the water pipes in the walls of the home and the upstairs are leaky, the water in the partition wall infiltrates.
3, waterproof measures are not good
The waterproof construction on the ground floor of the 1st floor did not do a good job of leaking the wall. The waterproof of the ground upstairs was not done well, and the waterproof of the toilet next door or the bathroom on the next floor was not good. Once the toilet had water, It will slowly penetrate.
On the 2nd floor, there was no waterproofing at the junction of the water pipe and the ground. It is very likely that water seepage occurred near the pipe. The water ran down the pipe and caused the roof to seep.
4, improper paint
In the paint project, when the wall was painted, the first time the wall paint did not dry out, it began to paint the wall paint for the next time. The water vapor in the wall failed to evaporate, resulting in the dampness of the wall.
Wall seepage maintenance program
1: After seeing the seepage area of ​​the inner wall surface, find the water seepage point (stitch) on the outer wall surface, and sometimes you need to expand the area to find out more.
2: Clean the dust on the cracks and around it and other garbage (can be cleaned with a clean ball, etc.), found that loose cracks around the cracks should be removed, and thoroughly washed with water.
3: Use ordinary cement (do not add yellow sand, in order to match the original real stone paint color of the outer wall, appropriate amount of yellow powder, happa powder and other pigments can be added in the cement, appropriate amount to be deployed, as close as possible to the original real stone paint surface color), and then Together with the construction of 881 glue (do not add water), direct deployment. (The amount of glue is not large, try to use better, such as the use of plaster line, the price error is not large), according to the weather and other conditions to adjust the consistency of cement slurry, caulking can be more appropriate.
4: The construction should be carried out by caulking and the joints must be filled. After the joints are filled, the side of the same material with a width of about 30 mm and a thickness of about 6 mm should be enlarged to form a slope ratio (collapse).
5: In the cracks at the corners of the window, a well-distributed grout can be made into an arc shape with a radius of 30-50mm to increase the thickness of the cracks, and at the same time, it is favorable for drainage.
6: After the cement is hardened (after drying), waterproof agent construction is required. Brushing is required 2 times without any omission. (Note: 1: The waterproof agent must not be applied on rainy days. 2: The cement base must be dry)
The above points are the information on why the walls of the website Xiaobian summarizes the leakage and wall seepage maintenance programs for everyone. I believe we will have a certain understanding after reading it. In this way, everyone will know a lot. Everyone who wants to know can check it out on our website.
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