It can be easily installed in wood aluminum or hollow metal doors and frames for single and double acting doors.
Overhead concealed door closer adjustment.
17 jackson overhead concealed door closer for offset pivot door 105º swing.
300 series features compliance standards optional adjustable spring power overhead concealed closer built in positive back stop and hold open positions available.
Overhead concealed closers provide an aesthetically appealing way to close a door.
The spring force by one size turn the adjustment screw four 4 turns clockwise.
Overhead concealed door closer.
16 jackson overhead concealed door closer for offset pivot door 90º swing.
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In the majority of installations these concealed closers are used on aluminum glazed storefront doors hollow metal stand alone or structural framed window systems.
Jackson overhead concealed door closer for butt hinge door.
Adjustable ohc s are also available.
The overhead or floor mounted concealed door closer is a very common type of door closer mechanism which is normally unseen and unnoticed.