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13 Articles

commercial locksets ×

Interchangeable Core Cylinders Explained: SFIC vs. LFIC and When Each Format Belongs on Your Project

What This Article Covers Interchangeable core (IC) cylinders let facility teams remove and replace lock cores without tools, a screwdriver, or a locksmith on site. This guide explains how the two main...

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Sep 10, 2026

Privacy Mortise vs. Privacy Cylindrical: The Field Decision That Happens After the Door Is Already Hung

The Problem Arrives After Move-In, Not During Spec This article is for facility managers, maintenance contractors, and subs who are staring at a door that already has a privacy lock installed and need...

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Sep 8, 2026

Office Function vs. Entrance Function Locksets: How One Wrong Code Breaks a Hardware Schedule

If you have ever received a hardware submittal back with a red-line on the lock function, there is a reasonable chance the specifier or contractor confused office function with entrance function. Thes...

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Sep 3, 2026

Hotel Connecting Door Hardware: Getting the Lock Function Right on Both Sides

What This Article Covers and Who It Helps Hotel connecting doors are one of the most frequently misspecified openings in hospitality construction. The hardware package looks simple on paper -- two doo...

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Aug 26, 2026

Hold-Back Function on a Mortise Lock: What Actually Happens at the Door When You Activate It

What Is the Hold-Back Function on a Mortise Lock? A mortise lock with a hold-back function does one specific thing: it lets the occupant retract the latch bolt and keep it retracted without holding th...

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Aug 15, 2026

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

Managing Access Across Every Door in a Multi-Family Building: What the Hardware Schedule Has to Get Right

Why Multi-Family Door Hardware Is a Different Problem Than a Single Commercial Opening This article is for property managers, multifamily contractors, and architects specifying or maintaining door har...

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Jun 27, 2026

Grade 2 Storeroom Locks: When the Function Code Gets Changed in the Field and the Fire Rating Gets Lost

What This Article Covers and Who It Helps A storeroom lock function is one of the most commonly misunderstood ANSI function codes on a commercial door schedule. Contractors, maintenance technicians, a...

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Jun 2, 2026

Storeroom Lock Function on Fire-Rated Doors: Why the ANSI Code Gets Changed After the Opening Is Already Scheduled

Why the Storeroom Function Creates More Late-Stage Surprises Than Almost Any Other Lock Type This article is for commercial contractors, facility managers, and project architects who have specified or...

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May 25, 2026

Grade 2 Passage Knob Latches: When the Finish Lead Time Changes Your Closeout Schedule

What This Article Covers A Grade 2 passage knob latch is one of the most routine items in a commercial hardware schedule: no locking function, no cylinder, no access control integration. It retracts a...

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May 17, 2026

Round Knobs vs. Lever Handles: Specifying the Right Office Entry Lockset for Accessibility and Code

Why the Knob-vs-Lever Decision Still Matters on Commercial Projects If you are specifying or replacing hardware on office entry doors, one of the first questions you will face is simple but consequent...

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Apr 22, 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

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