ISIS Kaistrasse 4, Düsseldorf

This building is owned by Bofrost, the world-wide specialist in frozen food.

Once it had been refurbished by architects RKW Architekten in Düsseldorf for use by ISIS, the telecommunications firm specialising in the use of glass fibre optics, problems were experienced with the 180 degrees curved glass roof line, which made the building extremely hot in summer. Colt was asked to provide specially-made perforated movable metal screening louvre controlled by a CCS 2000 system to cover the roof.