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Silicone Structural Glazing: Modern Solutions for Seamless and Strong Building Facades
Silicone structural glazing (SSG) is an advanced curtain wall system where glass or other cladding panels are bonded to the building's aluminum frame using a high-strength, engineered silicone sealant as the primary structural adhesive. This method creates a smooth, flush exterior facade with expansive, uninterrupted views, as the heavy-duty silicone holds the glass in place against wind loads, seismic forces, and its own weight, eliminating the need for external metal pressure plates or exposed mechanical fasteners. The system relies on a two-part, high-modulus structural silicone, which cures to form an exceptionally durable, flexible, and weatherproof bond. This bond accommodates thermal expansion, building movement, and dynamic loads while maintaining a perfect seal against air and water infiltration.
The application of SSG requires meticulous engineering, testing, and installation. Panels are typically bonded in a controlled factory setting to a supporting frame (a "unitized" system) or sometimes on-site ("stick" system). The design involves…