Thanks to its low profile width, the FLEX system allows plenty of light penetration. Offering high user convenience and easy accessibility, the dormakaba ST FLEX invokes an inviting atmosphere.

  • Attractive glass surfaces thanks to slender frames
  • High stability and torsional rigidity
  • Low k-value of frame due to double glazing
  • Excellent insulation features thanks to interlocking side seals and top and bottom seals
  • Very flexible and adaptable to project requirements


Perfect solution for sophisticated projects

Thanks to its low profile width, the ST FLEX automatic sliding door is extremely versatile. With its various designs, it is the perfect solution for sophisticated projects. A telescopic sliding door with the same profile is also available.

Tested quality

The system may be equipped with toughened safety glass or double glazing.  The profile system is tested for a minimum service life of 1 million cycles and approved for application in emergency exits and escape routes according to DIN 18650 and the German guidelines for automatic sliding doors in escape routes (AutSchR).

Benefits for the architect

  • The system provides beautiful glass surfaces thanks to slender frames
  • It is very flexible and may be tailored to the requirements of sophisticated projects

Maximum door dimensions

(Door panel weight and basic technical conditions may be critical)

  • Maximum system width: 6250 mm
  • Maximum clear passage width: 3000 mm
  • Maximum clear passage height: 3000 mm
Automatic sliding doors