What to do if the wall is cracked and leaking
Recently, the problem of water leakage in houses has become one of the hot topics on the Internet. Especially after the rainy season, many owners report that cracks in the walls cause water leakage to occur frequently. This article will combine the hot discussions and expert suggestions in the past 10 days to provide you with structured solutions.
1. Analysis of the main causes of wall leakage
| Reason type | Proportion | Typical cases |
|---|---|---|
| Aging of building structure | 42% | Cracks in the wall of an old house over 10 years old |
| Waterproof layer failure | 35% | Leakage on the back surface of bathroom |
| Broken pipe | 15% | Water leakage from hidden water pipe joints |
| external factors | 8% | Heavy rain penetrates cracks in exterior wall |
2. Emergency steps
1.Locate leaks: Use a dry towel to absorb the moisture on the surface, observe the spreading path of water stains, and use an infrared detector if necessary.
2.Temporary leak plugging measures:
| Material | Applicable scenarios | Validity period |
|---|---|---|
| waterproof tape | Pipe joint leakage | 3-7 days |
| quick drying cement | Wall cracks | 1-3 months |
| King of plugging | Larger cracks | 6-12 months |
3.Drainage and moisture proof: Use a dehumidifier to keep the air humidity below 60% to avoid mold growth.
3. Professional restoration plan
According to the joint suggestions of the top 10 respondents in the home furnishing field on Zhihu:
| How to fix it | construction period | cost budget | Warranty period |
|---|---|---|---|
| High pressure grouting | 1-2 days | 80-150 yuan/meter | 5 years |
| Overall waterproofing redone | 3-5 days | 200-400 yuan/㎡ | 10 years |
| Structural reinforcement | 7-15 days | Depending on the degree of damage | 15 years |
4. Preventive measures
1.seasonal inspection: Check exterior walls, window sills and other water-prone parts before the rainy season every year.
2.Routine maintenance:
| maintenance items | Frequency | Things to note |
|---|---|---|
| Unclogging drainage pipes | quarter | Focus on checking balcony floor drains |
| Wall inspection | half a year | Watch out for new cracks |
| Waterproof layer test | 2 years | Bathrooms need to be tested for water closure |
3.Material upgrade: Use polymer cement-based waterproof coatings (K11, etc.) to replace traditional asphalt materials.
5. Insurance Claims Guide
According to the discussion data of the Weibo topic #house Leaking Rights Protection #:
| Claims situation | success rate | Materials required |
|---|---|---|
| Within the developer’s warranty period | 78% | House purchase contract + inspection report |
| Property common areas | 65% | On-site photos + repair quotation |
| Home contents insurance | 53% | Accident record + loss list |
Special reminder: Owners in typhoon-prone areas (such as Jiangsu, Zhejiang and Shanghai) may pay attention to the special subsidy policies issued by the local Housing and Urban-Rural Development Bureau.
Through the above structured solutions, we can not only quickly respond to wall leakage problems, but also fundamentally prevent similar situations from happening again. It is recommended that the owner choose a suitable maintenance plan according to the actual situation, and consult a professional waterproofing company for system treatment when necessary.
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