What is the maximum allowable area of a single section of thin exterior structural glass veneer located more than 15 ft above grade?

In the context of building code regulations, the maximum allowable area for a single section of thin exterior structural glass veneer (also known as glass panels or cladding) positioned above a certain height—specifically more than 15 feet above grade—often follows strict guidelines to ensure safety and structural integrity. When assessing the choices for maximum area, the building code establishes limits on the size of glass panes to mitigate risks, such as breakage due to wind load, thermal expansion, or impact.

The correct area limit, in this case, is 6 square feet. This limitation is in place primarily due to safety concerns, as glass elements located at elevated heights can pose serious hazards if they fail or fall. By restricting the size, building codes aim to minimize potential injury and damage that might occur from large pieces of glass detaching from structures. Smaller sections are also easier to install safely and maintain.

In essence, the regulation concerning the maximum size of thin exterior structural glass veneer positioned high above ground promotes structural safety while allowing for design flexibility within those limits. Understanding these constraints is crucial for compliance and risk management in commercial building design and inspection.