If you want to repair the property, you can use the maintenance fund. If it is a new commercial house, the developer is responsible for the warranty. The warranty developer is responsible for compensation. It has nothing to do with property. Not responsible for compensation outside the warranty period. Generally, the seepage of external wall is mainly treated from the external wall, not the internal wall. You can find a waterproof and plugging company to do it for you and give you a warranty, which is better, including the nature of the materials used and the construction practices. There are many reasons why internal wall treatment can't cure water seepage and external wall water seepage. It is suggested to invite friends from the local construction engineering quality supervision station (or engineering supervision unit) to make a field trip and understand the actual situation, so as to solve the problem in a targeted manner.
What are the causes of water seepage in external walls?
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2. Insufficient fullness of masonry mortar: In the actual masonry of porous brick, the mortar is scraped off the paved mortar layer with a shovel to cover the vertical joints, which makes the mortar layer sag, the mortar fullness can not meet the requirements, the mortar laying is too long, the masonry speed can not keep up, and the moisture in the mortar is absorbed or evaporated by the brick, which makes the brick and mortar lose their cohesive force. When building drywall, in order to save scraping work, mortar masonry method with large shrinkage is adopted.
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