|
Surface Closers
|
|
A Surface Closer is a mechanical device that is mounted to the surface of the door or frame. It closes the door after someone manually opens it, or after it was automatically opened by an electrified opener. Door closers have internal springs and hydraulic oil with cylinders. All door closers have valves that adjust the speed of the door closing and latching. Surface closers can be used on any door, glass and aluminum, wood and metal doors. |
|