Fundamentals of Builders Hardware


Door Closers - Learn about:

  • Why are door closers necessary
  • Door closing force
  • Internal parts of a door closer
  • Recommended applications
  • Abbreviations used in the field

Exit Devices - Learn about:

  • What is an Exit Device
  • History of exit devices
  • Application for single and double doors
  • Mechanical functions
  • Abbreviations used in the field

Mortise, Bored and Aux. Locks - Learn about:

  • Door cutouts
  • Application for single and double doors
  • Basic security features
  • Strikes
  • Abbreviations used in the field
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