The reasons for the wetness of the basement: 1. The rain or snow melt seeps into the soil and collects into the basement through the cracks in the foundation wall. This is the most common reason, most of which occur seasonally. 2. The underground water level is high. Generally, such houses are located in low-lying areas. Groundwater enters the room through cracks in the concrete floor and wall, which also occurs seasonally. 3. The house is located on the shady spring at the foot of the mountain or in the underground water. Even if the basement floor and foundation wall are intact, the basement is often wet due to the pressure of the underground water. This phenomenon occurs only occasionally and is extremely difficult to judge. 4. There are large cracks on the concrete floor or foundation wall, and the water in the soil seeps in. 5. Improper construction. No moisture-proof layer is placed under the concrete floor or the moisture-proof layer is broken in a large area. This situation is difficult to judge. 6. The foundation asphalt pipe is blocked, broken, and the underground drainage is not smooth, causing the water level to rise, and seeping into the basement along the micro-cracks. 7. The water pipe in the basement or buried underground has serious leakage, and the sewer pipe is blocked or broken, causing the trapped water to return to the ground. 8. The drainage system at the window and the basement door is not good, causing rain or snow water to enter the basement.
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