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AW3B Structural Glazing Systems

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AW3B Semi Structural glazing AW3 B Curtain walls, architectural variant of the AW3 S curtain wall series, has no need of structural sealing to fix the glass. It is characterized by a mechanical retain reduced to 13 mm; this device allows the fabrication of traditional vertical curtain walls with a smooth integrated look. The glazed frames either fixed, open-able or spandrel, are made with aluminum thermal break insulated profiles. In addition, the spandrel panel permits ventilation between the external glass and the insulated panel.


Raw Materials:

  • Extruded sections in alloy primarily aluminum EN AW-6063 (UNI EN 755 - 2) T5
  • Gaskets/static and dynamics in EPDM compound Bottom gaskets of the joints are made with an Elastomer that is compatible with the silicon sealer


The mullions are available with depths of 90 mm and allow the fabrication of semi unitized curtain walls by means of pre-made frames ( sub-frame + glass panes ). The thermal bridge interruption of the glass carrier profiles is reached by the positioning of polyamide strengthened thermal rods that have been mechanically braced at the external sides of the aluminum through a graphing process.


The external surface of the glass has a border of 13 mm from the profile of the frames and the gap between the glazed frames is 14 mm. This version does not need structural glazing to fix the glass. The system uses a traditional method with double glass which is between 23 and 30.5 mm total thickness and has a small step on the perimeter between the internal and external glass pane.

Open-able Elements:

The top hanging opening are manufactured in thermal break frames, with self balancing friction stays in stainless steel that can bear a max of 120 kg; the open able frames are not visibly identifiable in the facade.

Possible Manufacturing Solutions:

Vertical and rounded curtain walls with inserted open-able concealed top-hung (Projection).

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