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There are three reasons why the walls at home are moldy. What if the wall is moldy?

After we decorate the house, the walls will always be moldy, characterized by rainy days and rain in the north, that is, rain in the south. The next rain will take two or three months. After a long time, the walls at home will be moldy. If we live in it for a long time, it will have an impact on our health. What are the causes of moldy walls at home? You can look down if you want to know!

First, there are three reasons why the walls at home are moldy? There are three reasons for moldy walls at home: 1, poor construction quality and technology, resulting in some gaps between walls during installation, and unsatisfactory plastering during wall masonry, forming a cold (hot) bridge.

There are three reasons why the walls at home are moldy. 2. The insulation effect of the external wall itself is not good, which leads to cold wall and cold wall. Indoor water vapor will crystallize into water droplets and hang on the wall. When the wall is wet, it will be moldy and hairy.

What are the three reasons why mold grows on the wall at home? 3. The waterproof of the wall is not done well or the pipeline leaks, resulting in damp and long hair.

Second, what should I do if the inner wall is moldy? 1. Moldy due to season: Please don't repair it immediately. Because the moisture in the wall gradually evaporates, the decorative materials are normal physical changes. If you don't wait until the water completely evaporates before applying a new paint, the water will continue to evaporate and flow out from other places, and the wall may become moldy again.

2, due to improper wall insulation, wall mildew, should first check whether the wall insulation treatment. Knock on the wall with an inspection hammer. If the sound is hollow, it means that the wall has a sound insulation layer. If the sound is very dark, the wall is not insulated. If there is an insulation layer, it is necessary to check whether there are cracks in the external wall of the building. If there are no cracks, it means that the insulation material is not good and needs to be replaced. This is a radical cure.

This is the end of the above introduction. All of you should know that there is not much difference and how to deal with mildew, so don't worry about it now.