What is aluminium curtain wall?

What is aluminium curtain wall?
What is aluminium curtain wall?

What is a curtain wall system?

The aluminum curtain wall is a non-structural outer covering of a building’s facade designed to protect the building from the elements and create an aesthetically pleasing appearance. It is typically composed of aluminum frames, glass, and other cladding materials. The term “curtain wall” refers to the fact that the exterior wall is non-structural and does not support the load of the building. Instead, it hangs like a curtain from the building’s structure.

Here are key features and components of an aluminum curtain wall:

Aluminum Frames: The main structural component of the curtain wall is the aluminum frame. These frames are lightweight, durable, and resistant to corrosion, making them ideal for external applications. The frames are often designed to accommodate the weight of the glass or other cladding materials.

Glass Panels: Curtain walls are characterized by large expanses of glass, providing natural light and offering views from inside the building. The glass used can vary in terms of thickness, insulation properties, and coatings to control factors like solar heat gain and glare.

Spandrel Panels: In addition to glass, curtain walls may incorporate spandrel panels, which are non-transparent panels that cover the areas between floors or between vision glass. These panels contribute to the overall appearance of the facade and help create a uniform exterior.

Seals and Gaskets: Given that curtain walls are exposed to external weather conditions, they include seals and gaskets to prevent water and air infiltration. Proper sealing is crucial for maintaining the building’s interior climate and protecting against leaks.

Thermal Breaks: Aluminum curtain walls often incorporate thermal breaks, which are non-conductive materials placed between the interior and exterior aluminum sections. This helps reduce heat transfer, improving the overall energy efficiency of the building.

Structural Support: While the curtain wall itself is non-structural, it requires a support system attached to the building’s structure. This system is responsible for transferring the loads (such as wind loads) from the curtain wall to the main building structure.

Aluminum curtain walls are popular in modern architecture due to their versatility, sleek appearance, and the ability to create visually striking facades with ample natural light. They are commonly used in commercial buildings, office towers, and high-rise structures. The design and engineering of curtain walls consider factors such as aesthetics, structural integrity, energy efficiency, and environmental performance.

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