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6 Articles

school door hardware ×

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 Function Exit Device Trim: Why the Outside Lever Choice Gets Misread Before the Hardware Set Ships

What This Article Covers and Who It Helps Classroom function exit device trim is one of the most frequently misread entries on a hardware schedule. It looks like a lever trim option, but it controls a...

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Jul 4, 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

Classroom Lockset Function Codes Decoded: What the Letter After the Series Number Actually Controls

Why the Function Code Matters More Than the Lock Body This article is for contractors, facility managers, and architects who are specifying or replacing cylindrical locksets on classroom doors and kee...

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Apr 23, 2026

Classroom Knob vs. Lever Locksets: Specifying the Right Function for School Security

Why Lockset Function Selection Matters More Than Finish When a school facility manager or commercial contractor is specifying door hardware for a classroom, the instinct is often to focus on finish or...

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Apr 22, 2026

Classroom Locksets: What Facilities Manager's and Contractors Need to Know

Who This Guide Is For This article helps school facility managers, commercial contractors, and architects understand how to properly select, specify, and install classroom-function knob locksets in in...

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Apr 19, 2026