David Bolton Always Locked Outside, Always Free Inside: Specifying Storeroom Function for Unattended Spaces What This Article Covers Storeroom function is one of the most widely used institutional lock functions in commercial construction, yet it gets misapplied often enough to cause real problems at inspec... access control hardware commercial locksets door hardware specification lock functions storeroom function Jul 11, 2026
David Bolton Commercial Lock Functions Explained: Mortise, Cylindrical, Deadbolts, and Outside Exit Trims What Are Lock Functions and Why Do They Matter? A lock function describes exactly how a door behaves from both sides: who can enter, who can exit freely, and under what conditions a key or credential ... classroom security commercial door hardware egress code compliance lock functions mortise locksets Apr 19, 2026