The LCN 4020 SMOOTHEE is LCN's best performing heavy duty closer designed specifically for institutional and other rugged high traffic applications.
- Standard 4020 Series closer is shipped with regular arm, standard plastic cover, and self reaming and tapping screws.
- Non-sized cylinder (4021) is adjustable for interior doors to 4'6" and exterior doors to 3'6".
- Closer mounts top jamb (push side), specify right or left swinging door.
- 4021 cylinder meets ADA requirements.
- The 4020 Series is UL and cUL listed with regular or fusible link arms for self-closing doors.
- Tested and certified under ANSI Standard A156.4, grade one.