Printed from the blog of Lori Greene, AHC/CDC, CCPR, FDAI
Allegion
Email: lori_greene@allegion.com, Blog: www.idighardware.com or www.ihatehardware.com


Locksmith Ledger

Decoded: Stairwell Reentry – Myths & Facts (September 2011)

This post was printed in the September 2011 issue of Doors & Hardware [Click here to download the reprint of this article (caution – updates have been made to this article which are not included in the reprint).] Stairwell doors are often locked on the stair side to prevent unauthorized entry into tenant spaces.   […]

Code Requirements for Electromagnetic Locks

This article was published in the February 2012 issue of the Locksmith Ledger: An electromagnetic lock is essentially an electromagnet in a housing mounted on the door frame, and a steel armature mounted on the door. When the magnet is energized, it bonds to the armature and locks the door. To allow access or egress, […]

Code-Compliant Doors: What to Look For

This article was published in the February 2013 issue of the Locksmith Ledger: I was recently contacted by a locksmith from a local university who attended my class on fire door inspection last year.  A new dormitory on campus is in the final stages of construction, and many of the fire doors have been installed […]

Special Egress Locks in I-2 Occupancies

This article was published in the October 2013 issue of the Locksmith Ledger: You might be asking yourself, “what’s a ‘special egress’ lock?”  Maybe the term even inspired you to read this article.  You won’t find a “special egress lock” in a manufacturer’s catalog, and searching online won’t help much either.  The 2012 edition of […]

Code Implications for Mechanical Hardware

Locksmiths are often called upon to increase security at an existing door or replace hardware that is damaged or defective. There are several code-related issues to note before getting started…

Fire Doors: The First Line of Defense

This article was published in the January 2015 issue of Locksmith Ledger.  Fire doors are a vital part of a building’s passive fire protection system. When properly installed and maintained, they will help to compartmentalize a building to protect occupants and property from the spread of smoke, flames, and toxic gases, and aid in providing […]

Locksmith Ledger: What’s a fire door for?

When I first started working in the door and hardware industry, I learned all about the rules that apply to fire doors, but I didn’t fully appreciate the value of a closed door during a fire.

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