What should be paid attention to in the renovation of old houses?

First, the basic equipment cannot be changed.

Although the phenomenon of house demolition and renovation is very common, not all places can be changed casually. Among them, the main buildings such as building beams and columns bearing the weight of superstructure, wall reinforced bars, balcony low wall balancing the weight of balcony, and load-bearing wall bearing the weight of the whole building cannot be changed. These places are the key to the whole house, even the whole building. If it is changed, it will bring many unexpected security risks.

Second, it is not advisable to break the routine.

Although the area of doors and windows is not large, you can't open doors and windows at will. For example, some walls are prefabricated walls, and walls with a thickness of more than 24 cm cannot be broken, so as not to destroy the original balanced structure of the house and reduce the safety factor of the whole house.

Third, details such as door frames cannot be leaked.

Many owners don't like the doors and windows designed by the developers before, and they will move these places when they are renovated and demolished. However, it should be noted that doors and windows should not be replaced if they cannot be moved. Nowadays, many doors and windows are inlaid, and moving them will damage the wall.

Fourth, the load-bearing wall cannot be demolished.

The load-bearing wall can't be torn down because it maintains the balance of the whole house. In addition, some lightweight walls cannot be demolished, because they may also bear part of the weight of the house. The wall that can be dismantled and reconstructed includes light wall and hollow slab which are completely used as partition walls. The partition wall doesn't need to bear any weight of the house. Its function is to separate the space.

Five, the beam and column of the room can't be removed and changed.

The beams and columns in the middle of the house can't be demolished. It is very dangerous to remove these beams and columns, because their function is to support the upper floors. If they are removed, the upper floors will fall down.

6. The wall under the balcony window can't be removed.

The wall under the balcony window can't be removed and changed. There are usually doors and windows on the wall between the room and the balcony. Doors and windows can be removed and replaced, but the low wall under the window can't move, which is the so-called "counterweight wall". The support of the balcony depends on it. If removed, the bearing capacity of the balcony will be reduced, and the balcony will be in danger of falling.

Seven, housing demolition acceptance criteria

After the demolition and reconstruction, the owner needs to check the concealed works and hydropower projects when accepting them. First of all, we should pay attention to whether the concealed drainage project is qualified. Among them, the water pipe is watertight, the ground drainage is smooth and the waterproof layer has good performance. Secondly, check the wire engineering, PVC pipeline protection facilities are in place, closely connected, and the ground cement leveling layer is qualified.