Old house decoration hydropower reform can not be underestimated

In the renovation of old homes, in addition to the need to take into account the changing appearance of the past, we should also turn an old house into a sustainable development home based on the principle of safety, economy, environmental protection, and practical life, which can extend the life of the house. It can also save more decoration costs. Among them, the transformation of hydropower and other lines is a particularly important project, and almost every family will be involved, especially some old houses, if you do not carry out hydropower reform, you may not be able to use normal or even prone to fire, running water and other dangers. So, what should we pay attention to in the process of renovation and renovation of old houses?


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First, waterway transformation is very necessary

“Houses with a useful life of more than 15 years must be retrofitted to the Sheung Shui Pipeline during the second renovation.” Wang Yinghua, Vice President of Qida Group explained the reasons in detail: First, Beijing’s water quality is relatively hard, and the use of the Sheung Shui Pipeline is relatively high. After a long time, minerals will be deposited on the inner wall of the water pipe to generate scale, resulting in more impurities in the water, affecting the health of domestic water. Second, galvanized iron pipes were used in houses built before 1990. Due to the oxidation of water, the pipes may be partially rusted and contaminated. In particular, where the pipe joints are laid, the inside and outside of the pipe joints are easily rusted and the pressure resistance is reduced. , It is easy to cause leakage, cracking or even water pipe breakage. After 1990, new types of water pipes, such as aluminum-plastic pipes or PP-R pipes and PE pipes, will also age and crack, and they will occur from time to time. In addition, the decoration of old homes is generally required to transform kitchens and other functions. In order to beautify the environment, the formerly known pipes will be replaced by dark pipes. When the project is accepted, a pressure Test shall be conducted on the waterway, and the water pressure shall remain for one hour without the pressure being considered qualified.

â—† Things to pay attention to in the transformation:

1. New-type water pipe materials are selected. Common are: new plastic pipes such as PP-R and PE, and stainless steel pipes and copper pipes of higher grades. But be careful not to use aluminum-plastic tubes, because the joints of aluminum-plastic tubes are card-type joints, and the gaskets inside the joints will age earlier than the tubes.

2. In general, buried pipes will be buried in the decoration, but it is best not to bury it under the ground.

3, due to the water pipe in the water, due to turbulence in the tube caused by the phenomenon of vibration of the water pipe, so the pipe installation should be more pipe clamp to ensure that the long-term stability of the pipeline.

Second, circuit reform safety first

In order to avoid the decoration fire, construction workers must strictly follow the relevant power design technical specifications and relevant provisions for construction, interior decoration must use fireproof decoration materials. When decorating, you can't pull it in and out of order. Considering that it is easy to inspect the line, the insulation layer should be replaced in time if it is damaged.

â—† Hidden Project: Live Pipeline

At present, there are many owners who do not know what is called "live and live lines". They only feel good if they see the workers doing a tidy job. In fact, "live line" is a line that can be directly pulled out through a panel or a box. In order to prevent accidents such as the aging of the line or the occurrence of water seepage, the wall and floor of the house can be kept from moving, and the line can be changed easily. Therefore, some pipelines that appear to be horizontal and vertical are actually not in line with the standards for the construction of embedded pipelines. The horizontal and vertical pipes appear to be very regular, but the lines are disposable and are only applicable to the open lines that can be replaced. The home circuit system is a concealed project in decoration. If the construction is not standardized, it may become a hidden project. Therefore, the landlord must pay attention in advance to see if the embedded pipeline has made a "live line" that can be exchanged.

Note: The basic procedure for making a live line tube is: position confirmation --- integrated design --- slotting --- pipe --- fixed pipe --- try threading --- threading --- sealing groove.

â—† Real materials: safe and secure

In the circuit transformation, the main materials are wires and bushings. So, how to choose a qualified product is indeed a certain degree of difficulty for most newcomers. In the face of numerous wire products, the products of large and medium-sized enterprises should generally be selected for purchase. Do not buy too cheap. For example, the current 2.5 square millimeter copper core wire has a material cost of 100 to 110 yuan per 100 meters. If the selling price is less than 100 yuan, it means that the wire is not of insufficient length. The purchase of the wire (PVC) casing is much simpler. Generally, the wall thickness can reach 1.3 to 1.5. Take it over the ground, stand up and squat, and do not deform or crack.

In addition, it is necessary to pay attention to product identification, general formal products have a factory name, site, product name, specifications, rated voltage, 3C certification number and flame retardant values.


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