Surface Closers

A Surface Closer is a mechanical devise that closes doors 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. As the name suggests, a surface closer is mounted to the surface of the door or frame.