DORMAKABA RTS85 Size 3 Transom Door Closer

The Dorma RTS 85 transom concealed door closer offers a solution for installations where door control must be provided without disturbing the aesthetic appearance of the door. A complete line of accessories is available to accommodate virtually any door and frame configuration.


  • Door closer concealed in the door frame
  • For single and double action doors
  • Fully controlled closing with adjustable speed
  • One closer body for all types of fixing
  • Wide range of accessories to suit almost every configuration
  • Mechanical backstop