COR101 / COR102 Bundle

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Congratulations on pursuing your DHIA Certificate.  

Steps to register for courses COR101 and COR102:

Bundle Price for COR101 and COR102: $225. (Normal Price $245) 

1) By selecting Register Myself YOU will be automatically registered for the courses COR101 and COR102. Therefore, if you are not the individual taking the course, you must log in under their profile.

2) Proceed to Checkout. (Bottom right corner)

3) You will receive an email with additional instructions on how to access your courses. Be sure to check your junk or spam folder.



Date Not Specified

  • It’s the first step on the path of career development in the door and hardware industry.
  • It’s a simple introduction to understand the critical components of openings that provide life safety and security to building users.

Getting Started!

  • The course comprises (12) lessons that will take approximately (30) hours for a student new to the industry to complete. You have a one year, unlimited license access to the course after registration.
  • You must complete the (12) lessons including the corresponding tests within this one year timeframe. Each individual test requires a 75% minimum score to pass. A passing score on each lesson must be obtained in order to successfully pass the course. You may take each test as often as you like.
  • Final passing notification will be recorded in the student record in DHI's TopClass and a Certificate of Completion will be issued.
  • There are no software or downloads required to view this course. It will run in Internet Explorer®, Firefox®, Chrome and browsers that have the Adobe® Flash® Player plugin installed. Most lessons include portions that are narrated, which requires your computer to have speakers or a headset. High speed internet connection is recommended. You may access the course from any computer with a user I.D. and password.
  • Each license is a single user license and sharing this course with anyone else is prohibited.

Summary of Lessons

  • LESSON 1: Hollow Metal Doors and Frames
    This lesson introduces you to the terminology, components, and materials used to manufacture hollow metal doors and frames.
  • LESSON 2: Architectural Wood Doors
    Students learn the terminology, components, and materials used to manufacture flush and stile and rail architectural wood doors.
  • LESSON 3: Materials and Finishes
    This lesson describes the common metals, materials, and finishes used in the builders hardware industry.
  • LESSON 4: Hand the Door
    This lesson teaches students how to properly hand doors, door frames, and hardware products using industry-standard terms and abbreviations.
  • LESSON 5: Hang the Door
    This lesson introduces students to the builders hardware items that are used to carry the weight of the door leaves and the hardware items attached to them.
  • LESSON 6: Secure the Door – Door Bolts
    This lesson describes the different types of door bolts used to secure the inactive leaves of pairs of doors.
  • LESSON 7: Secure the Door – Locks and Latches
    This lesson focuses on the different types of builders hardware locks and latches used to secure door openings.
  • LESSON 8: Secure the Door – Panic Hardware and Fire Exit Hardware
    This lesson explains the differences between panic hardware and fire exit hardware devices and teaches students when and how exit devices are used to meet the life safety requirements of building, fire, and life safety codes.
  • LESSON 9: Secure the Door – Cylinders and Keying
    This lesson explains the different types of cylinders used in builders hardware and provides students with a working understanding of pin tumbler cylinders as well as how masterkeying is designed to provide convenience to the building’s occupants.
  • LESSON 10: Control the Door
    This lesson describes surface mounted and concealed door closers that are used to control the opening and closing speeds of door leaves.
  • LESSON 11: Protect the Door
    This lesson teaches students the various products (e.g., protection plates, door pulls, edge guards) that are used to protect door openings from being dented and scratched.
  • LESSON 12: Electrified Architectural Hardware
    This lesson provides students with a base-level understanding of the principles of basic electricity and how it is used to modify the functions of builders hardware items to enhance accessibility and maintain security in today’s buildings.
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No CEP points available for this introductory course.


This course is an introduction to building codes and the role architectural doors and hardware play in them. It is intended for those who are new to the industry or who have limited exposure to the codes used in the commercial hardware industry.

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