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16 Articles

commercial locksets ×

One Lock Case, Three Different Jobs: How Mortise Lock Function Codes Sort Out Apartment, Exit Corridor, and Public Restroom Doors

Why the Same Lock Case Shows Up on Three Very Different Doors This article is for contractors, facility managers, and specifiers who keep running into a deceptively simple question on mixed-use and mu...

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Oct 21, 2026 Our Blog

No Cylinder Override on a Fail Secure Mortise Lock: Why Some Openings Are Specified That Way on Purpose

What This Article Covers This guide explains why a fail secure electrified mortise lockset is sometimes ordered without a cylinder override on the outside lever — and why that is a deliberate specific...

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Oct 9, 2026 Our Blog

Frame Prep for Mortise Hardware: What the Frame Has to Be Before the Lock Goes In

Why Frame Prep Is a Mortise-Specific Problem This article covers what has to happen at the frame before a mortise lockset can be installed correctly -- a step that gets less attention than door-side p...

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Sep 23, 2026 Our Blog

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 Our Blog

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 Our Blog

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 Our Blog

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 Our Blog

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 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

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 Our Blog

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 Our Blog

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 Our Blog

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