What was the purpose of a glass curtain wall?
The primary purpose of a glass curtain wall is to protect the building's interior against the exterior natural phenomena such as sun exposure, temperature changes, earthquake, rain, and wind. This protection can be separated into two major categories, namely structural safety and interior environmental control.
What is the difference between a window wall and a glass curtain wall?
A window wall system spans only a single floor, is supported by the slab below and above, and is therefore installed within the slab edge.
A glass curtain wall is a structurally independent/self-supporting system, typically spanning multiple stories, and is installed proud of/beyond the slab edge.
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Generally, glass curtain walls are attached to the outside of the floor slab. The aluminum facade is usually part of the wall system that makes up the wall. Each glazing system needs to be integrated with other adjacent wall cladding, roof, or wall details.
glass curtain wall range from standard prefabricated systems to specialized custom wall units. Increased costs are usually accompanied by additional customization and larger sizes.