Three sensitive areas and six restricted areas for home improvement

It's easy to overlook the fact that there are still several "forbidden areas" in home renovation. These areas must not be altered or removed during the process, as doing so can compromise the structural integrity of the building and pose serious risks to you and your neighbors. In addition, some parts of the house are considered "sensitive areas," where even minor changes can have major consequences. If you're planning to make any modifications, it's always best to consult a professional before proceeding. **Common Sensitive Areas in Home Renovation** 1. **Squat Toilets**: Many older homes still use traditional squat toilets. If you're considering replacing them with a standard toilet, be cautious. Squat toilets typically have pipes installed at the front, while modern toilets require rear connections. This means the plumbing layout will need to be changed, which involves breaking through the original waterproof layer. Improper installation can lead to leaks or improper flushing. 2. **Heating and Gas Pipelines**: Any work involving gas lines should only be done by licensed professionals from the gas company. It’s illegal for decoration companies to tamper with or cover up gas, water, or electrical meters. Similarly, heating systems are crucial for maintaining indoor temperature in winter, so any changes should be handled carefully to avoid disruptions or damage. 3. **Original Steel Windows**: Some homeowners replace old steel windows with aluminum ones, but not all aluminum windows are as durable. Some cheaper options may not be strong enough, especially in high-rise buildings, leading to potential safety issues like window detachment. **Forbidden Areas in Home Renovation** 1. **Load-Bearing Walls**: One of the most important rules in renovation is that load-bearing walls cannot be removed or modified. These walls support the structure of the building. Determining whether a wall is load-bearing can be tricky, but generally, walls made of brick or concrete that are over 24 cm thick are considered load-bearing. Before making any changes, it's essential to consult a professional and get approval from the property management. 2. **Reinforcement in Walls**: The rebar embedded in walls acts like bones in the human body. Damaging this during drilling or piping can weaken the structure, potentially causing serious issues, especially during earthquakes. 3. **Beams and Columns**: These are critical structural elements that support upper floors. Removing or altering them can lead to catastrophic failure, so they must never be touched without expert guidance. 4. **Counterweight Wall Near Balcony**: The wall below the window between the room and the balcony is known as the counterweight wall. It helps stabilize the balcony. Removing it can reduce the balcony's load capacity, risking its collapse. 5. **"Three-Proof" or "Five-Proof" Doors**: These doors are built into the concrete structure. Any modification or removal can damage the building's integrity and make it difficult to install new doors later. 6. **Waterproof Layer in Bathrooms and Kitchens**: The waterproof layer under the floor in these areas is essential to prevent leaks. Damaging it can cause water to seep into lower floors, creating a "water curtain hole." When changing flooring materials, ensure the waterproof layer remains intact. If it's damaged, a 24-hour water test must be conducted to check for leaks. Always remember: when it comes to home renovation, safety and structural integrity should come first. Don’t take unnecessary risks—consult a professional and follow all local regulations.

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