The transom overhead door closer is designed to be concealed within the transom header bar of the door. It provides controlled closing of a single or double action aluminium door or doors.
The dormakaba (formerly known as Dorma) TS92 Slide Channel Overhead Door Closer provides the perfect solution for interior doors thanks to its high quality in Contour design and reliable cam action me...
The dormakaba (formerly known as Dorma) TS93 Cam Action Door Closer system provides a high-quality architectural solution for all project application requirements. The TS93's technology, with its the...
The 855 series features Key Wind operation which allows the door to be locked and unlocked by full rotations of the key.
The latch is retracted by the key or the handle.
Type 1 refers to 4 roller lo...