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LCN 4021

Smoothee Heavy Duty Top Jamb Adjustable Door Closer

Quick Product Details

  • Aluminum Storefront Door Closer
  • Top Jamb Mount
  • Heavy Duty
SKU: 4021

Price: $288.00

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This LCN 4021 is the best performing top jamb mounted adjustable door closer for rugged institutional application that are subject to heavy traffic. The mounting holes are spaced 2-1/2" vertically and 6" horizontally. See more product information below

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Price: $288.00

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The handing of a door is always determined from the push side.




  • If the door swings away from you to the left, it is a Left Hand door
  • If the door swings away from you to the right, it is a Right Hand door


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Suited for:
  • High traffic institutional applications

Quality and Safety:
  • Tested and certified under ANSI Standard A156.4, Grade 1
  • Closer meets ADA requirements

Special Orders Available:
  • More unlisted finishes available
  • Available with hold-open
  • Available with delayed action
Contact us directly to place your special order.

Available Options: Choose Options Above

Product at A Glance

  • 4021 cylinder is adjustable from size 1 through size 5 and is shipped set to size 3
  • Shipped with regular arm, standard plastic cover, and self reaming and tapping screws
  • Mounting holes spaced 2-1/2” vertically and 6" horizontally
  • The 4021 replaces the 4022, 4023 and 4025 closers.
Style Door closer
Grade Heavy Duty
Handing Handed
Mounting Top jamb (push side)
Door Width - Interior doors: maximum 4'6"
- Exterior Doors: maximum 3'6"

It is imperative that a door closer doesn’t merely perform the act of closing the door, but it also controls the opening and closing cycles of a door to ensure safety and prevent damage to the opening. LCN closers are known for their excellency in all areas and they are sure to provide you with uncompromised quality and smooth operation.



Instructions & Templates

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Smoothee Heavy Duty Top Jamb Adjustable Door Closer

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