What are the aesthetic advantages of a four-sided SSG curtain wall?

The primary aesthetic advantage of a four-sided structural silicone glazed (SSG) curtain wall is its ability to create a completely seamless, uninterrupted glass surface. This system eliminates the need for exterior aluminum pressure plates and caps, which are visible on a conventional curtain wall system. In a four-sided SSG system, the insulated glass units are secured to the curtain wall frame using a high-strength structural silicone adhesive applied in the factory. This means that from the exterior, the building appears as a smooth, continuous skin of glass, with only narrow, flush joints between the glass panels visible. This minimalist, high-tech aesthetic is highly sought after in modern architecture, creating sleek, monolithic facades that define many of the iconic towers in Riyadh and other global capitals. The absence of exterior metal frames maximizes transparency and provides unobstructed views from the inside, enhancing the connection between the interior space and the outside world. This clean look also emphasizes the building's form and massing, allowing the glass itself to be the primary design feature. For architects aiming to create a sense of lightness, elegance, and modernity, the four-sided SSG system is an unparalleled choice. While it requires rigorous quality control during the factory glazing process to ensure the structural integrity of the silicone bond, the resulting visual impact is a powerful statement of contemporary architectural excellence.