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How to choose the sealant in high-rise and super high-rise buildings?

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The building curtain wall is different from the infill wall and has the following characteristics:
 
It is a complete structural system consisting of a panel and a support structure;
It can withstand large deformations in its own plane or can have sufficient displacement capacity relative to the main structure;
It is a retaining structure that does not share the load and effect of the main structure.
    As one of the building curtain walls, the glass curtain wall has the advantages of reducing the amount of material used in the main structure, reducing the load on the foundation and saving the cost of the foundation. The construction of super high-rise buildings on soft foundations such as Shanghai and Tianjin has played a decisive role.
 
      The use of glass curtain walls in high-rise buildings and super-tall buildings is also favored by architects and is also required for landmark buildings in cities and regions. Because the glass curtain wall is rich, novel and contemporary, it is necessary to build a city skyline throughout the region.
 
       In addition, the form factor glass curtain wall is more suitable for high-rise buildings and super high-rise buildings. However, the design difficulty and key point of the unit curtain wall is water tightness. Because of the interlayer displacement between the unit bodies, wind loads and temperature changes are accepted. Therefore, when using sealant, it is very important. The general structural sealant can not meet the needs of high-rise and super high-rise. With the market demand, new products are born. Lexus LZ9200 ultra-high performance two-component silicone structural seal Glue, LZ9000 ultra-high performance silicone structural sealant and LZ8000 ultra-high performance one-component silicone weatherproof sealant for high-rise, super high-rise, large-size glass curtain wall.

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