The adaptive building envelope. Innovative engineering, sophisticated design.

FW50+ SI and FW60+ SI - The first, and as yet the only aluminium mullion-transom system with passive house certificate.

This application offers you the chance to experience our façade systems in a virtual space and to explore them interactively.

After the if design award, now the red dot award for high design quality: high performance solar shading CTB.

Targeted location search by address, country, building type, construction and series. Now also available as mobile app.