How long can the life of Henan light steel villas be? -wellcamp light steel villa manufacturers
I often see colleagues citing various data in the circle of friends. In advertisements, I see some companies promoting the service life of light steel structure villas. Some are 100 years, and some are 200 or 300 years. What is the basis? I believe that many people are also copying what they say, and reprinting each other, but I don't know why. Prove how long the service life of the galvanized steel of the light steel structure villa is. Except for the main project, how many years can other raw materials be used? In fact, the advertisement should say that the main body of the light steel structure villa - the service life of the light steel keel is right. It is necessary to understand that the light steel structure villa is composed of the light steel keel and other auxiliary materials that wrap the keel. The service life is easy to be long, especially the steel treated by galvanizing or galvanizing is much longer than ordinary steel! However, the service life of those auxiliary materials such as oriented structural board, thermal insulation cotton, one-way breathable film (breathing paper), exterior wall raw materials (ecological wood-plastic board, cement fiber board, PVC board, calcium silicate board, etc.) is not the same, the same Raw materials in different regions, different salinity, different humidity, different temperature, different lighting time, their service life is as different as possible. Therefore, it is unreasonable to say that the service life of the entire light steel structure villa is inexact and unreasonable. The parts with a relatively short service life of light steel structure villas, like traditional Chinese buildings, are all exposed to the external decorative layer. After decades of sun and rain, the exterior wall decoration raw materials will experience corresponding aging and fading. But the service life of light steel keel can be confirmed. At this stage, the existing galvanized light-steel houses in Yiqi are in foreign countries. They were built in 1921 and have survived nearly 100 years of ups and downs. Although the auxiliary materials have been replaced or repaired several times, we can usually judge The service life of light steel keel. The development of modern science and technology also confirms the corrosion resistance of the currently popular galvanized steel sheet from another perspective. The destructive salt spray test can explain everything! The life of the light steel villa galvanized steel sheet is 2-6 times that of the hot-dip galvanized steel sheet. Whether it is 2 times or 6 times is determined by the environment. In order to facilitate designers to choose when designing, experts have developed a simple and clear table. You can refer to the 'Steel Structure Material Equipment Application Manual' published on November 18, 2006. Among them, specific regulations are made on the annual consumption of the surface coating of galvanized steel: someone who sees this data will say that using 150g/㎡ galvanized steel, the annual consumption in the rural atmosphere is 1.3g/㎡, 150/1.3 g/115 years. That's right, in theory, AZ150 galvanized sheet can be corroded for more than 100 years. The rational development of the light steel villa (housing) industry requires our active participation, so that the advantages of light steel villas can be presented to potential house builders in an impartial manner.
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