Adjustable closing and latching speeds: Allows precise tuning for different door weights and traffic conditions
Independent valves for sweep speed and backcheck: Enables fine-tuning of closing and latching action for optimal performance
Hydraulic backcheck protection: Cushions the door end to protect walls and hardware
Cast iron body and forged steel arm: Provides durability for high-cycle, high-traffic environments
UL listed and ADA compliant: Meets safety and accessibility standards for commercial use
Summarized by Shop
The LCN 4021 Surface Mount Door Closer is a commercial surface mounted door closer. Shared product specifications apply across available finish or configuration variants when variants are present. Surface Mounted Door Closer
Brand: LCN
Model / SKU: 4021
Product Type: Surface Mounted Door Closer
Material: Cast Iron
BHMA Grade: G
Material
Cast iron body, forged steel arm
Finish options
Aluminum, brushed, satin, matte
Power source
Mechanical, pneumatic (on select variants)
Arm style
Standard
Available sizes
1, 2, 3, 4, 5
Hand side
Left, both sides, non-handed (mounts on either side)