Do Door Closers Have A Built In Stopper?
A common question among building owners is if a door closer has a built in door stopper. Surface mount door closers do not have a built in door stop inside of the door closer.
Closing Cycle Door Frame Stop
This means that in order for a door closer to properly function there must be some type of closing stop for when the door is in the closed position. The stop is built into most door frames. A typical door frame is illustrated below and shows the stop portion of the frame. The door frame stop is rarely an issue for most door applications with door closers.
Opening Cycle Door Stop or Wall Stop
The stop that most doors are missing is the open stop. Any door with a door closer must have an open cycle door stop. This is a door stop that is used to stop the door when it reaches the full open position. Door closer can open up to 180 degrees, but most installations have a full open position of 90 degrees. A floor mounted door stop or wall mounted door stop should be mounted. This is so that if the door closer is abused in any manner such as pushing the door open aggressively, the door stop or floor stop will prevent the door closer arm from overextending. Floor stops and wall stops also prevent the door from damage since the stops are made of rubber, absorbing impact and preventing scratches or dents on the door.
A door closer has no internal stopper and strictly uses spring power and hydraulics to gently and smoothly close the door after the door has been pushed or pulled open. The door closer relies on a door frame stop in order to properly latch the door and an open stop to properly swing open the door without overextending the door arm. If you are in need of a replacement door closer, we recommend Liberty Door Closers. Each Liberty door closer is manufactured for commercial use and extremely easy to install.
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