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Glass curtain wall

Source: Langxin Intelligence     Time:2020-10-16


Glass curtain wall

Industry Status

Glass curtain walls first appeared in China’s construction industry in the 1980s, with landmark buildings including the Shanghai Lianyi Building and Beijing Great Wall Hotel. Though China started using glass curtain walls later than developed Western countries, the industry has expanded at an extremely rapid pace.
Statistics from the China Architectural and Industrial Glass Association show that in 2011, double-silver coated glass was adopted for 30% to 40% of glass curtain walls in newly built urban public buildings across the country, nearly doubling from the 20% recorded in 2010. China produces 70 million square meters of glass curtain walls annually, accounting for roughly three-quarters of the world’s total output. This makes China the world’s largest producer and user of glass curtain walls.
In particular, as public awareness of ecological conservation, energy efficiency and environmental protection grows, alongside rising demands for higher living quality, market demand for glass curtain walls keeps expanding. This strongly fuels the development of China’s glass curtain wall sector, and an increasing number of architects, designers and real estate developers are opting for glass curtain wall solutions.
With continuous advances in materials technology and manufacturing processes for building curtain walls, the design and production of architectural glass curtain walls are shifting toward eco-friendly and energy-efficient solutions. The application of glass curtain walls in construction projects delivers a more comfortable and aesthetically pleasing living experience for people.



Industry Trends


1. Increasingly standardized industry standards for architectural glass curtain walls

Due to the relatively short development history of China’s architectural glass curtain wall industry, the construction of relevant industry standards still has certain deficiencies. However, as China has become the world’s largest producer and user of glass curtain walls, the improvement and standardization of industry standards will inevitably accelerate.

First, governments at all levels have attached great importance to the safety standards of architectural glass curtain walls. China has successively issued regulations on the application of safety glass in buildings, and relevant laws and regulations will be further improved in the future, laying a solid foundation for the sound development of the glass curtain wall industry.

Second, a series of national standards have been formally promulgated, including the Design Standard for Energy Efficiency of Public Buildings, Design Standard for Energy Efficiency of Residential Buildings in Hot Summer and Warm Winter Zones, Inspection Standard for Energy Efficiency of Heating Residential Buildings, and Green Building Evaluation Standard. The application of glass curtain walls in modern construction will better meet the energy-saving requirements of architectural projects.

Third, in terms of ecological standards for glass curtain walls, many local governments have introduced targeted management systems and specifications focusing on the control of light pollution caused by glass curtain walls. In general, the continuous improvement of industry standards will promote the healthy and sustainable development of China’s glass curtain wall industry.

2. Expanded application of energy-saving and environmentally friendly structures

In the early stage of industry development, glass curtain walls were mainly applied for their decorative, aesthetic and daylighting functions, rather than serving as a core part of building main structures. With the vigorous development of green buildings and intelligent buildings, the design and installation of glass curtain walls have gradually focused on the application of energy-saving and environmentally friendly structural technologies.

3. Energy-saving and eco-friendly materials become the mainstream development trend

Glass is the core material of curtain wall structures, and its performance largely determines the overall performance of architectural glass curtain walls. Driven by the growing market demand for green and energy-efficient buildings, the application of energy-saving and environmentally friendly curtain wall materials has become an inevitable development trend of the industry.

4. Diversified and enriched functions of glass curtain walls

With the continuous progress of production and manufacturing technologies, glass curtain walls are no longer limited to traditional functions such as safety protection, energy conservation, environmental protection and decoration. A variety of new functions have been developed, including photoelectric power generation, fire resistance and ecological regulation, realizing the multi-functional integration of building envelope structures.

Summary

In summary, the wide application of glass curtain walls has opened a new chapter in the development of China’s construction industry. Benefiting from the continuous innovation of curtain wall manufacturing technology, China’s glass curtain wall industry has maintained a sound development momentum and formed prominent competitive advantages in the global market.

In the future, the development of glass curtain walls will further emphasize the diversification of ecological, environmental, energy-saving and decorative functions. Only by continuously promoting technological innovation and adhering to the concepts of green and scientific development can the glass curtain wall industry achieve high-quality and sustainable development in the long run.


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