Bar in the rooftop of the historic Schiffbau with air-lux lowering windows and " SageGlass".

Client: Schiffbau Immobilien AG, Zurich
Architects: arc Architekten AG, Zurich
Facade planning: Fachwerk F+K Engineering AG
Façade designer / façade contractor: Krapf AG, Metall- und Fassadenbau Engelburg SG
Contract size: CHF 1.29 million

Krapf AG's job: Renovation and construction of new external façade construction with motorised lowering windows as a special construction. 20 motorised air-lux lowering windows with pat. air seal.  A total of 170 variably dimmable suspended "SageGlass" windows installed for bar operation without glare and heat input.
Project management: Sandro De Martini
Construction phase: 2020
Photographer: Schiffbau Immobilien AG, Zurich