How to repair cracks in the wall? 10 days of hot topics and practical guides across the Internet
Recently, the topic of home decoration has become increasingly popular on major social platforms, with "wall crack repair" becoming the focus of searches. This article will provide you with structured solutions based on the hotspot data of the entire network in the past 10 days, as well as analysis of hot discussion trends.
1. Popularity data of wall repair topics across the entire network (last 10 days)

| platform | Amount of related topics | Hot search highest ranking | main focus |
|---|---|---|---|
| Douyin | 128,000 items | No. 3 on the life list | Quick patch tips |
| little red book | 63,000 articles | Top 5 home topics | Aesthetic restoration solutions |
| Baidu | Average daily search volume: 12,000 | Decoration Q&A top list | Structural Crack Treatment |
| 32,000 discussions | People's livelihood topic list | Frequently asked questions about second-hand houses |
2. Crack type diagnosis and repair plan
According to the recent live broadcast content of decoration experts:
| Crack type | Features | patch solution | Materials required |
|---|---|---|---|
| Hairline cracks | Width<1mm | Surface treatment method | wall repair paste |
| temperature crack | diagonal development | Elastic putty filling | Anti-crack mesh cloth |
| structural cracks | Through the wall | Professional reinforcement treatment | Epoxy resin |
3. Five-step DIY repair method (popular tutorials on Xiaohongshu)
1.clean cracks: Use a scraper to enlarge the V-shaped groove and remove loose particles (the most frequently ignored step on recent short video platforms)
2.Basic treatment: It is recommended to use a humidity detector (data from Moudong platform shows that sales increased by 45% in the past 10 days)
3.filling material: Choose a low-shrinkage caulking agent and fill it in two steps (Tik Tok’s actual measurement video shows that the rework rate can be reduced by 60%)
4.Surface polishing: After it is completely dry, sand it carefully with 240 grit sandpaper.
5.Brush coverage: It is recommended to use alkali-resistant primer (a Weibo home furnishing influencer has recently emphasized overall coordination)
4. Professional advice and pitfall avoidance guides
1.seasonal effects: During the recent rainy season in the Yangtze River Delta region, experts suggest suspending outdoor wall repairs (from a Zhihu hot post discussion)
2.Material selection: Data from a certain cat shows that the search volume for water-based repair materials increased by 80% year-on-year, and environmental protection has become a new focus.
3.Warranty issues: The actual measurement of the UP owner of Station B found that the problem of recurrence after 3 months is common with low-priced repair agents.
5. Selected popular questions and answers
Q: How long does it take to repaint after repair?
A: According to recent decoration laboratory data, conventional materials require 72 hours to fully cure (at a temperature of 25°C)
Q: What should I do if cracks appear repeatedly?
A: Toutiao experts recommend conducting infrared testing first (searches for professional equipment rental services have increased recently)
Q: What is a reasonable budget for repairing an old house?
A: Meituan decoration data shows that the average price of partial repair of 10 square meters of wall is 300-800 yuan (depending on the degree of cracks)
Conclusion:The problem of wall cracks seems simple, but you need to choose a corresponding solution based on the specific situation. It is recommended to refer to the structured data in this article and process it based on your own housing conditions. If you encounter serious structural cracks, be sure to contact a professional agency for inspection in time.
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