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3 Articles

lockdown hardware × Jun 2026 ×

Classroom Security Locksets: How Lockdown Function Changes the Hardware Decision Before the Schedule Ships

Why Classroom Door Hardware Is a Different Spec Category This guide is for school facility managers, educational construction specifiers, and commercial contractors who need to understand how classroo...

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Sep 10, 2026

Locking the Classroom From the Inside: How Classroom Intruder Locksets Work and What Schools Actually Need to Specify

Why the Old Classroom Lock Became a Liability This article explains how classroom security lockdown locksets work, what lockdown functions are available, how they interact with egress code, and what s...

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Jul 24, 2026

Classroom Lockdown Function Timing: Why a Mis-Timed Cylinder Defeats the Whole Lockdown Strategy

What This Article Covers -- and Who It Helps This post explains what cylinder timing means on a classroom-function lockset, why a timing error causes the lock to fail precisely when a lockdown is call...

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Jun 28, 2026