Based on the Door Closers For Access Tutorial.
Which type of door closer is most popular for commercial openings?
What is the minimum closer size for a commercial door 34" wide?
What form factor of closer tucks the arm flush with the frame of the door?
Which of closing phases can sometimes take 5 - 7 seconds despite the door only moving a few inches?
Which type of closer is typically too weak for doors greater than 42" wide?
Which criteria below is required of egress locks, and typically excludes door closer locks from classroom defense use?