LCN Door Closer

The LCN Concealed Door Closer 3031 is mortised into the top of the door.  Standard 3030 series closer shipped with regular arm and wood and machine screw pack. Sized cylinders for interior doors to 4’0”.  Handed for right or left swinging doors.  Closers to meet ADA requirements.

The LCN Door Closer 4011 is known as the Smoothee.  The door closer ships with regular arm, standard plastic cover, and self reaming and tapping screws.  This is considered an application specific closer, meaning you have to specify left and right swing door, and it can only be mounted as a regular armed closer.  A regular armed closer is a closer that is mounted on the pull side of the door.  The non sized clinder will work on doors from 30" to 60" interior doors, or 26" to 48" exterior doors, and can be adjusted to meet ADA specifications.  This door closer is ideal for areas of high traffic and abuse, like schools or any other areas of extreme use.  We ship the 4011 REG.

The LCN Door Closer 4021 is also known as the Smoothee.  The 4021 ships with regular arm, standard plastic cover, and self reaming and tapping screws.  The 4021 is considered an application specific closer.  Meaning you have to specify left and right swing door, and can only be mounted top jamb.  A top jamb mount is when the closer is mounted on the top rail of the door frame and the arms hangs down and attaches to the door.  Top Jamb door closers are also mounted on the pull side of the door.  The Non sized cylinder will work on just about any size interior or exterior door and meets ADA requirements.  We ship the 4021 REG.

The LCN Door Closer 4111 is known as the Smoothee, and is one of the heaviest duty door closers made. If you have a building were you have a high traffic and abusive, especially exterior doors, then this is the closer. The 4111 is an application specific closer, meaning it will only work when mounted on the door, on the push side. This is known as a parallel arm application. The cylinder is fully adjustable and will work on doors up to 56" exterior door, and can be adjust down to ADA required levels. We ship the 4111 EDA model, which is a non hold open arm, on this page. The cylinder mounting holes are 2-1/2" by 6".