What should I do if the flue is broken and I regret it?
Recently, disputes caused by renovation and demolition have become one of the hot topics on the Internet, especially the frequent cases of unauthorized removal of flues causing safety hazards or neighbor conflicts. This article will combine hot discussions in the past 10 days, conduct a structured analysis of common problems and solutions after flue removal, and provide practical data reference.
1. Statistics of common problems after flue removal

| Question type | Proportion | Typical performance |
|---|---|---|
| Oil smoke backflow | 45% | The smoke from the residents downstairs spread back to their homes |
| safety hazard | 30% | Risk of poisoning caused by insufficient gas combustion |
| neighborhood dispute | 20% | Other owners complained collectively |
| Property penalties | 5% | Facing repair fines or legal action |
2. Emergency treatment plan
1.Stop using open flames immediately: If the main flue has been removed, continued use of the gas stove may result in the accumulation of carbon monoxide.
2.Contact a professional maintenance team: It is necessary to confirm the flue structure type (refer to the table below). The cost of different repair methods varies significantly.
| Flue type | How to fix it | Estimated cost |
|---|---|---|
| PVC auxiliary flue | Pipe replacement + sealing treatment | 800-1500 yuan |
| concrete main flue | Drilling reconstruction + fire protection layer repair | 3000-5000 yuan |
3. Matters needing attention in legal rights protection
1.Keep evidence: Take comparison photos before and after demolition and save property notice documents.
2.Responsibility determination: According to Article 5 of the "Residential Interior Decoration and Decoration Management Measures", unauthorized modification of the flue is prohibited, and the construction party may be held primarily responsible.
4. Comparison of alternatives
| Plan | Advantages | Disadvantages |
|---|---|---|
| Install check valve | Low cost (200-400 yuan) | Unable to solve the fundamental problem of smoke exhaust |
| Switch to integrated stove | Independent smoke exhaust system | Cabinets need to be remodeled (total cost is about 6,000 yuan) |
5. References to real cases from netizens
1. An owner in Hangzhou was ordered to pay 28,000 yuan in compensation after dismantling the flue, causing smoke exhaust failure in the entire building.
2. Beijing cases show that 80% of flue repairs require professional testing before the use permit can be restored (data from Zhihu Hot Post).
6. Prevention Suggestions
1. Before decoration, you must apply for the "House Structure Safety Approval Form" from the property management company.
2. It is recommended to adopt the "fake demolition" plan: retain the main body of the flue and only perform decorative modifications on the appearance.
3. Choose a regular decoration company, and clearly state the clause "not damage load-bearing structures and public facilities" in the contract.
If a demolition accident has occurred, it is recommended to immediately contact the 12345 citizen hotline and transfer it to the housing and construction department for filing, which can reduce the risk of subsequent administrative penalties. According to the latest statistics, 83% of cases filed in a timely manner can be resolved through negotiation without entering judicial proceedings.
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