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About

Air Lux

Whether it’s a celebrity villa on Mallorca or a special order in Los Angeles: As one of the leading Swiss metal and facade construction companies, we develop innovative solutions for every challenge with our patented air-lux system.

Our belief is that there are no limits to glass facade construction in architecture. We want every client and architect to be able to implement their visions – without compromises. That’s why we developed air-lux: Our glass facade system with floor and ceiling-flush sliding windows as well as a patented air-supported sealing concept combines creativity, technology and craftsmanship – in the best quality. From individual sliding sashes to multi-story glass facades. In this way, we give architects all the freedom to interpret and define light and space exactly according to their ideas.

In 1964, Gebhard Krapf founded Krapf AG with two employees. 30 years later he handed the company over to Heinz Sauter. In 1999, Krapf AG moved into its new office building in Engelburg/SG and a year later already employed 30 people. In 2004, Krapf AG developed the floor and ceiling-flush glass facade system air-lux, which caused a stir far beyond the Apenzell region with its large sliding windows up to 18 m2 and a unique patented sealing concept.