Production and installation of luxury joinery, various systems (ASS 50 series with sliding walls and AWS/ADS 65 for windows and balcony doors and ASS50 series with ASW/ADS 65 as well as Schüco ASE 60 series with panoramic Design Line profile), 12-meter pivot from Jansen , glass surfaces weighing 200,300 kilograms each, structural corners and a flat threshold, i.e. an imperceptible transition between the external and internal spaces.