dk3 | System Ultra


In the wake of the launch of the iconic shelving concept Royal System in 1948, Poul Cadovius introduced the System Ultra in 1957. The system was created on a very simple yet genius basic principle. It was developed with the same space-saving, flexible design as Royal System, based on the innovative idea of moving the furniture off the floor onto the walls, leaving more space in the room.

Create your own configuration**

System Ultra consists of wall-mounted rails, shelves and hangers in powder coated steel. The system is characterized by its elegant, ultra-thin shelves, with a wave-shaped edge profile, attached to the rails by hangers in either raw brass or coloured steel. The components are available in various colours and sizes, offering the possibility to customize the system in multiple individual combinations, and to extend it over time according to needs.

Design: Poul Cadovius

Dimensions (W x D x H):
Rail 3 x 2 x 201,3 cm
Shelf 72 x 22 x 7 cm (thickness of the steel plate is 1 mm)
Hanger 0,6 x 22 x 18,5 cm

Rails and shelves: powder coated steel
Hangers: powder coated steel or raw brass
Rail and screws have the same colour
Extra screws in raw brass enclosed with the rails

*Domestic shipping rates are not included. Please inquire about these rates at

**For bespoke variations, please send the configuration to for pricing. 


Temperature + Humidity 

  • The ideal condition for wood inside your home is a temperature of about 70-72 degrees Fahrenheit, with humidity levels of 50%-55%. During winter months, humidity levels drop, which can cause problems with wood. To level things out, use a humidifier during dry months. Along similar lines, try to avoid any abrupt changes in humidity. Wood likes a consistent environment, and damage can gradually occur otherwise.
  • If you’re storing wood furniture, don’t leave it in areas like attics, garages, or basements. By leaving furniture in unprotected areas like these, you can actually cause the aging of the wood to accelerate. Also with storage, be sure not to store wood pieces in hot areas or near fireplaces and heating vents. The excess heat can dry out the wood.
  • If your wood pieces are in a damp area, or during rainy seasons, use dehumidifiers to combat excess moisture.
  • When placing wood furniture around your home, try to make sure it’s not placed in direct sunlight.
  • When storing table leaves, try to keep them close to the table itself in order to ensure they’re both exposed to the same humidity levels consistently

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