Nietturm, Zurich

Project information

Bar in the rooftop of the historic shipbuilding building with air-lux descending windows and ‘SageGlass’

Building owner

Schiffbau Immobilien AG


arc Architekten AG, Zurich

Façade planning

Fachwerk F+K Engineering AG

Façade developer/façade builder

Krapf AG, Metall und Fassadenbau Engelburg SG

Order size

CHF 1.29 million

Krapf AG services

Renovation and new construction of façade exterior construction with motor-powered descending windows as a special construction. 20 motor-operated descending air-lux windows with patented air seal. A total of 170 individually dimmable ‘SageGlass’ suspended glass for bar operation without glare or heat transfer.

Project Manager

Sandro De Martini

Construction phase



Schiffbau Immobilien AG, Zurich