The transparent door
Due to its laths which are made of crystal clear acrylic glass, the door leaf of the EFA-STT is transparent at more than 70% - this fact makes it a worldwide unique high-speed door: robust but nevertheless completely transparent.

Advantages which are transparent to everyone
At all passageways in company which are passed through from two directions, the clear view through the door offers decisive advantages: Accidents are prevented and smooth transport operations are guaranteed.
The door leaf of the EFA-STT is kept in a certain distance in the spiral. Thanks to contact-less winding-up, the transparent laths offer a good view through the door for many years - and with hardly any wear. Therefore, the whole door convinces with a perfect look, even under hard everyday working conditions.

Door leaf guidance in perfection
Copied a thousand times - but still unequalled. The door leaf is not wound-up on a shaft but kept space-saving in a certain distance in the patented EFAFLEX spiral. This functional principle guarantees you quite a number of unique advantages: only this unique design combines hightest opening speed, long service life and efficiency in such a perfect manner. Thanks to the spiral, the doors move quietly and wear-free - and look as good as new for many years.

A bright view in air locks
In air locks, as they are used e.g. in the automobile industry, the transparent laths of the EFA-STT bring much light into your workshop. They do not only provide a clear view but also have a perfect look and create a free atmosphere with open visual axes between the individual rooms. This makes work much more comfortable.

For universal use
The EFA-STT can be used universally. Due to its product characteristics such as the modern and transparent design, the high opening speed and its sizes of up to 8,000mm x 7,800mm, it can be used for many different applications.

Individual design
Thanks to the individual design of its laths, the EFA-STT can be adjusted to the desired application. All transparent sections of the EFA-STT® are made of PVC-free acrylic glass as a standard. If requested, any combination with grey coloured laths are also available.  A translucent design is also available as option. This design guarantees perfect light entry and at the same time protects from unauthorised persons looking inside.

EFA-STT at a glance:

  • The door leaf consists at 70% of crystal clear acrylic glass
  • Opening up to 3.0 m/s
  • Closing up to 1,0 m/s
  • Highest wind load capacity
  • Top safety devices
  • Up to 200,000 operating cycles p.a.
  • Standard sizes of up to w=8m x h=7,8m
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