Com4lounge gives you the opportunity to find your individual comfort solution piece by piece. Com4lounge is a flexible modular system of corner elements, 1, 2 and 3 seat elements, equipped with straight or sloping armrests and offers many configuration possibilities.

Design: Ralf Umland


  • 25 mm powder coat painted tubular steel frame (available in 6 colours)
  • Upholstery made of highquality cut polyether foam with additional fleece cover
  • High-tech slat base with glass fibre reinforced plastic webbing
  • High backrest
  • Low backrest
  • Tapered armrests
  • Straight armrests
  • USB port and socket
  • Work tablet
  • Magazine collector

Product information


CO₂ balance

0.017 - 0.044 to

CO2 emission of a chair of the series
(incl. packing)

Recycled content


Content of recycled materials
(incl. packing)



Content of components suitable for reuse
(incl. packing)



Com4lounge, designed by Ralf Umland has been awarded the 2020 Good Design award. This is the oldest and most prestigious design awards programme.

Since the inception of the GOOD DESIGN Award 70 years ago, the Chicago Athenaeum continues the organisation of the program to create an awareness about contemporary design and to honour both products and industry leaders in design and manufacturing. Good Design® was founded in Chicago in 1950 by Edgar Kaufmann, Jr., Eero Saarinen, and Charles and Ray Eames.

Viasit Tab

Iconic Award – Innovative Interior

Com4lounge Viasits new sofa system designed by Ralf Umland has been awarded the 2020  "Iconic Award - Innovative Interior". This renowned design prize is only awarded annually by the German Design Council to the "Best of the Best"  from the furniture and interior design industries.

Com4lounge can be used for a wide range of design and room solutions and its "signature" is the continuous frame running around the sides. Com4lounge is simultaneously a design, functional and construction element.