The wall of my house against the bathroom is also moldy, what is the reason?

The mold on the wall of the bathroom is generally caused by the water of the bathroom infiltrating into the wall, and the back wall is not waterproof and moisture-proof, and the water evaporates when the wall decoration material is evaporated.

Moisture infiltrates the wall

One is to infiltrate the wall through the gap in the tile, which is manifested as mold or peeling off of the wall finish on the back of the middle and upper part.

The second is the leakage through the joint between the bathroom floor and the wall, which is manifested as moldy and damp on the back of the root of the wall.

When there is water leakage in the first case, it is recommended to carry out the spraying construction of hook joints and waterproofing agent on the waterfront surface of the bathroom wall, and then scrape off the finishing material of the entire wall to carry out the construction of the moisture-proof layer.

When there is water leakage in the second case, it is recommended to dig up the bathroom and re-do the waterproofing as a whole, especially the yin and yang corners, and carry out additional reinforcement construction of the waterproof layer.

The walls of the bathroom in the home are moldy, and the reasons may be:

1.The waterproofing of the wall, ground or corner of the wall and ground connection of the bathroom is not done, and the water in the bathroom leaks into the wall, so that the wall is damp for a long time, and it is easy to mold in the high temperature season in summer;

2.There is leakage of water pipes and water pipe joints buried in the wall, which makes the wall damp;

3.Water leaking from faucets, valves, wash basins, and toilet tanks causes moisture on the walls;

4.Water or leakage upstairs can also cause dampness on the walls downstairs;

5.The downstairs wall may be damp and may seep to a certain height of the upstairs wall.

First, use a shovel to remove the moldy position of the wall, and then use 108 glue to brush to the position just now, and then apply putty again, and finally brush it directly with latex paint. If you don't know the steps of construction, you can call a decorator to help, explain these steps again, and the other party will know how to do it.

Second, the bathroom is generally more humid, if you can buy some desiccant to put in it, then the dampness can be greatly improved, and at the same time, the mold situation can be alleviated.

Third, you can spray the moldy area with disinfectant first, and then brush the bleach on it, if your bathroom wall is white, you can use this method. Third, if there is a leak in the bathroom, it is best to check which water pipe is leaking first, and then ask someone to replace the water pipe until it does not leak, and also to prevent water seepage at the location of the wall. However, this situation only applies to the case of mold on the wall due to a leaking water pipe, and if it is caused by other causes of mold on the wall, other methods should be taken.

Fourth, the bathroom should be kept in a good ventilated state, because if there is no ventilation, the mold situation will be more serious, and if possible, an exhaust fan should be installed in the bathroom.

Fifth, you can prepare a bucket of hot water, preferably the kind that boils, then pour half a bottle of vinegar into this bucket of hot water, stir evenly and wet the towel, and then use this towel to start wiping the mold spots on the wall until the mold spots are gone.

It can be said that in order to remove mildew spots in the bathroom, you must use a better method, these methods can be used together, and if one of them does not work, you can also try to use the other. In short, if you don't know what to do if the bathroom wall is moldy, you should honestly start painting the wall.

It may be that the waterproofing of the bathroom is not done well, resulting in water seepage, you can find a decoration company to help you test it, and now many of them provide free testing quotation services. Lightning refresh can solve the decoration problem for you, I hope you can adopt, thank you.