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How thick are aluminum curtain walls?

2025,07,22
Aluminum Curtain Wall is based on high-strength aluminum alloy sheet, mainly composed of panel, reinforcement and corner. The panel is made of 1.5-3.0mm thick aluminum alloy plate (common model 3003-H24), which is formed into complex shapes such as plane, arc or sphere through sheet metal processing; the reinforcement is connected with the electric welding screws behind the panel to form a stable whole, enhancing the wind pressure and earthquake resistance; the corner is formed by bending, stamping or riveting to achieve a reliable connection between the panel and the building structure.
 
1. Structure
Aluminum veneer is divided into two types in terms of specifications: aluminum veneer with a thickness of less than 1.2mm is called aluminum gusset plate (also called aluminum square plate), and aluminum veneer with a thickness of more than 1.5mm is called aluminum veneer (also called aluminum curtain wall).
 
2. Surface treatment
The surface of aluminum curtain wall is generally treated with chromium and other pre-treatments, and then fluorocarbon spraying. Polyvinylidene fluoride resin (KANAR500) of fluorocarbon coating topcoat and varnish. It is generally divided into two coatings, three coatings or four coatings. Fluorocarbon coating has excellent corrosion resistance and weather resistance, can resist acid rain, salt spray and various air pollutants, has excellent cold and heat resistance, can resist strong ultraviolet radiation, can remain non-fading and non-powdering for a long time, and has a long service life. 
Aluminum Curtain Wall
3. Key features
  • Aluminum curtain wall has good rigidity, light weight and high strength. Aluminum single-plate curtain wall has good corrosion resistance, and fluorocarbon paint can last up to 25 years without fading.
  • Aluminum curtain wall has good processability. Using the process of first processing and then painting, aluminum plates can be processed into various complex geometric shapes such as planes, arcs and spheres.
  • Aluminum curtain wall is not easy to stain and is easy to clean and maintain. The non-adhesiveness of the fluorocarbon coating film makes it difficult for pollutants to adhere to the surface, and it has good cleanliness.
  • The installation and construction of aluminum curtain wall is convenient and fast. The aluminum plate is formed in the factory, and no cutting is required at the construction site, only simple fixing is required.
  • The aluminum curtain wall can be recycled and reused, which is beneficial to the environment. Aluminum plates can be 100% recycled, and the recycling value is higher.
 
The aluminum curtain wall has a unique texture, rich and durable color, and the appearance and shape can be diversified, and can be perfectly combined with glass curtain wall materials and stone curtain wall materials. Its perfect appearance and excellent quality make it very popular with owners. Its light weight is only one-fifth of marble and one-third of glass curtain wall, which greatly reduces the load on the building structure and foundation, and has low maintenance costs and high performance-price ratio.
aluminum curtain wall
4. Application scenarios
Commercial landmarks: such as Shanghai Tower and Shenzhen Ping An Financial Center, through the combination of aluminum plates and glass, create a facade effect that is both modern and recognizable.
 
High-end residential: Hong Kong Tianhui, Tomson Yipin and other projects use gold/silver-gray aluminum plates, combined with curved design, to enhance the building's luxury and wind resistance.
Public facilities: Airports, subway stations and other places use the fireproof and easy-to-clean characteristics of aluminum curtain walls to ensure safety and maintenance efficiency.
Cultural buildings: The Elsinore Cultural Center in Denmark uses aluminum plate folding technology to achieve dynamic light and shadow effects and enhance architectural artistic expression.
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