The Schüco FWS 50 SG.SI (Structural Glazing Super Insulated) is designed for large-scale all-glass façades where aesthetic clarity must coexist with high thermal performance.
With a face width of just 50 mm, the system enables flush all-glass façades or semi-structural glazing expressions while achieving thermal insulation values compatible with passive house standards.
Its performance is based on:
The result is a façade system that merges transparency with energy efficiency.
Despite its strong thermal focus, FWS 50 SG.SI maintains architectural freedom.The façade can be configured as:Additional flexibility is offered by a comprehensive cover cap range, allowing:
The uniform 50 mm face width ensures a consistent visual language across mullions, transoms, frames, and pressure plates.
Compatibility with the Schüco AWS 114 window system enhances functionality.
The system allows integration of:
Even large-format insert units can be integrated into the façade while maintaining visual homogeneity.
Thermal Performance
Structural & Dimensional Capacity
Performance Ratings
Geometry & Special Applications
The system is optimized for efficient production and installation:
These features reduce installation time while maintaining fixing security.
The FWS 50 SG.SI system meets multiple international standards and certifications:
The Cradle to Cradle SILVER certification highlights its compatibility with circular building strategies.
Structural glazing traditionally challenges thermal performance.
The FWS 50 SG.SI reframes that equation.
With triple glazing, advanced isolators, and optimized profile geometry, it allows designers to pursue transparent, large-scale façades without compromising insulation, comfort, or compliance with demanding energy standards.
In a context where façade performance must address energy, acoustics, safety, and sustainability simultaneously, this system represents a precise, engineered response rather than a purely aesthetic solution.
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