Descending windows - the vertical highlight

We make your window disappear and reappear at the push of a button. With the new descending front, we are expanding our product range with a new, impressive type of opening.


Swiss quality convinces at the German Brand Award 2018: air-lux and the agency SNK receive the award for their new, uncompromising brand identity.

air-lux sliding casement windows win award

‘German Design Award 2018 winner’ – a title that represents success.

Reference properties

Zurich 7

Private residence in Zurich, flowing room sequence, organic shapes combined with strict contours.

North-western Switzerland 2

Property on hillside fitted with 26 m roof façade comprising motorised and fixed air-lux elements and integrated balcony doors, flooded by light on all four sides and via the roof.

Reference Grenzstrasse

Four residential studios in rear courtyard, steel beam supports with air-lux façade system


air-lux sliding windows – a product from Krapf AG, a leading metal and façade construction company

Innovation is our tradition. We have been using our extensive expertise and relationships with architects, façade planners, general contractors and building owners to implement solid, high quality and durable solutions for more than 50 years.

Krapf AG, your partner from Engelburg/St. Gallen

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