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3 Articles

lock functions ×

Apartment Entrance Function Locksets: Choosing the Right Lock for Multi-Family Building Security and Egress

What This Article Covers and Who It Helps Specifying locksets for apartment building entrances is not the same as picking a lock for an office door. Multi-family residential entrances carry overlappin...

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Jul 12, 2026 Our Blog

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...

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Jul 11, 2026 Our Blog

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 ...

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Apr 19, 2026 Our Blog