What are some common design pitfalls in aluminum curtain wall systems?
Release Date:
03 Jan,2021
Aluminum composite panels, as a new type of building material, gleam with their distinctive luster on buildings of diverse styles across the globe, taking on a wide array of forms and elegantly enhancing various spaces. Their ease of fabrication into a multitude of shapes has greatly enriched both the fabrication methods and installation details of curtain wall systems. The base material is high-quality, high-strength aluminum alloy sheet, available in thicknesses such as 2.0 mm, 2.5 mm, 3.0 mm, and 4.0 mm. The panel’s structure primarily consists of a face sheet, reinforcing ribs, and a backing layer, with a maximum fabricated panel size of 8,000 mm × 1,800 mm (L × W).
Aluminum curtain wall panels are typically subjected to pretreatment such as chromate conversion followed by fluorocarbon coating. The topcoat and clear coat in fluorocarbon coatings are formulated with polyvinylidene fluoride resin (KANAR 500). Coating systems generally consist of two, three, or four layers. Fluorocarbon coatings exhibit outstanding corrosion resistance and weatherability, effectively resisting acid rain, salt spray, and various air pollutants. They also demonstrate excellent thermal stability, withstand intense ultraviolet radiation, and maintain their color and surface integrity over the long term, resulting in a prolonged service life.
Common Misconceptions in Aluminum Composite Panel Curtain Wall Design:
I. Overemphasis on Personalization
Aluminum curtain wall designs are tailored to meet specific client requirements; however, some clients place excessive emphasis on customization, opting for large-scale applications of textured, uneven aluminum panels and incorporating an overabundance of glass, mirrors, and other materials. As a result, the self-cleaning performance of the aluminum curtain wall is compromised, leading to increased dirt accumulation, difficulty in cleaning, and a negative impact on the overall aesthetic outcome.
II. Improper Use of Light Source Combinations
Aluminum curtain wall designs are typically engineered with designated areas for integration with other lighting sources. However, some clients, in an effort to create a more vibrant ambiance by incorporating a wide array of colored lights, end up overusing multicolored bulbs. This approach often backfires: the aluminum curtain wall appears restless and loses its aesthetic appeal altogether.
III. Inadequate Design of Aluminum Composite Panel Keel
The design of an aluminum curtain wall must carefully determine the positioning of the corresponding aluminum subframe. Some clients assume that since the subframe is concealed and not visible once the cladding is installed, it can be arranged and mounted arbitrarily, without giving it due consideration. In fact, in addition to securing the aluminum panels, the subframe also plays a crucial supporting role in enhancing the structural integrity and wind-pressure resistance of the curtain wall.
IV. Maintenance Issues for Aluminum Composite Panel Curtain Walls
The design of aluminum curtain wall systems already takes into account the self-cleaning properties and durability of the cladding; as a result, some users assume that these systems require no maintenance. However, certain components—such as joint sealant—do not offer the same level of durability as the aluminum panels themselves. During routine maintenance, it is necessary to apply a specialized crack-resistant sealant to the joints and grooves of the aluminum curtain wall to prevent cracking caused by thermal expansion and contraction over time.
Jinsheng Aluminum is a large-scale building-materials enterprise that integrates the design, production, processing, sales, installation, after-sales service, and wholesale of various aluminum sheet products. The company’s main product lines include curtain-wall aluminum panels, interior-decor aluminum panels, honeycomb aluminum panels, fluorocarbon coating, and electrostatic powder coating. Jinsheng Aluminum has dedicated quality-inspection procedures at every stage of production, conducting rigorous monitoring and verification of workshop conditions and critical control points throughout the manufacturing process. All production activities are carried out in strict accordance with relevant national standards, requirements, and technical specifications, ensuring that every product is high-quality, environmentally friendly, and reliable—giving customers complete peace of mind.
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