Graphical Construction Glossary >> Doors. >> Door types >> Automatic Sliding Doors
This common layout of two doors opening at the same time to make one larger opening is also know as a Bi-Parting-Sliding-Door.
Most doors like this are activated by a movement sensor fixed somewhere above the door. On the fascia cover or the ceiling. You can't see the sensors for the pair of automatic doors above, but the give away is the fact that there are no handles. Also a requisite for most doors like this is a separate activation button for use in emergencies.
The doors above would be a quite expensive option. They are unframed glass panels that slide back into pockets in the walls. In addition all the running gear, the hangers and automatic mechanism is hidden inside the ceiling.
The doors are in the act of closing and the two sets of sensors are clearly seen fixed to the ceiling.
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