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Modular mullion/transom façade system made from steel with a wide range of design options

Be it a newbuild, conversion or renovation, the modular VISS steel system for thermally insulated mullion/transom constructions stands out as the optimum components from a technical and economical perspective can be selected for each project from the modular system, irrespective of the size.

With narrow profile face widths and different basic depths, the room-side load-bearing structure of the façade units can be designed in a variety of ways and with good light penetration.

Planning benefit

  • Narrow face widths of 50 and 60 mm
  • Optimised statics due to high-strength profiles
  • Variety of options for façade design with wide range of aluminium cover caps
  • Highly thermally insulated
  • CE-compliant; also suitable for safety barrier loading on request
  • Tested to British CWCT (Centre for Window and Cladding Technology) standards


Technical information


CAD data


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