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Our Latest Posts

Why Outswing Doors Need a Parallel Arm Closer: Getting the Mount Right the First Time

The Problem With Outswing Doors and Standard Closer Arms This article explains why outswing doors demand a parallel arm closer configuration, how the mount works mechanically, where installers go wron...

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Oct 23, 2026 Our Blog

High-Security Cylinder Showdown: Accentra KeyMark vs. Sargent Keso F1 vs. Medeco M4

What This Guide Covers -- and Who It Helps When a facilities director, security consultant, or commercial hardware specifier asks for a "high-security cylinder," they usually mean one thing: a cylinde...

Accentra KeyMark Medeco M4 Sargent Keso F1 high-security cylinders key control

Oct 23, 2026 Our Blog

Bathroom Lock vs. Privacy Function: Choosing the Right Mortise Latchset for Restroom Doors in Commercial Buildings

Why the Wrong Restroom Lock Function Creates Liability, Complaints, and Callbacks This guide is for contractors, facility managers, and architects who need to specify or replace a bathroom lock on a c...

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Oct 23, 2026 Our Blog

Getting the Sequence Right: How to Select a Door Coordinator for Closer Pairs

Why Closer Pairs Need a Coordinator If you have ever watched the active leaf of a double door slam shut before the inactive leaf had a chance to clear the astragal, you already understand the problem ...

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Oct 22, 2026 Our Blog

Fire Alarm Dropout for Magnetic Hold-Opens: What Every Specifier and Installer Needs to Get Right

What Is Fire Alarm Dropout and Why Does It Matter on Hold-Open Doors? This article explains how fire alarm dropout works with electromagnetic hold-open devices, which code requirements govern the inte...

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Oct 22, 2026 Our Blog

Double Cylinder Deadbolt on a Fail Safe Electrified Mortise Lock: Why the Wiring Sequence Has to Come Before the Key Schedule

What This Article Covers A fail safe electrified mortise lock with a double cylinder deadbolt is a more layered opening than most contractors expect on first encounter. The electrical behavior at powe...

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Oct 22, 2026 Our Blog

Maison Keying for Apartment Buildings: One Key for Common Areas, One Key for Home

What This Article Covers and Who It Helps If you manage a residential apartment building, are a contractor bidding a multi-family project, or are an architect writing a hardware schedule for a new mid...

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Oct 21, 2026 Our Blog

Why Your Commercial Door Is Dropping at the Latch: Diagnosing and Fixing Hinge Sag

What Is Hinge Sag, and Why Does It Matter? Hinge sag is the gradual downward drift of a door's latch edge caused by failure or fatigue in one or more of the hinges supporting it. On a commercial openi...

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Oct 21, 2026 Our Blog

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

Picking the Right Astragal for a Non-Rated Door Pair: What the Opening Actually Demands

What This Article Covers -- and Who It Helps When two door leaves meet at the center of an opening without a center mullion, something has to close that gap. On a non-fire-rated pair, you have more fl...

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Oct 20, 2026 Our Blog

How Do You Cut an Electric Strike Into a Metal Frame? HES 1006 Frame Prep

This 43-second short shows how a 16-gauge hollow metal frame is prepped for an HES 1006 electric strike.

Oct 18, 2026

Sargent 65G05 KL Lockset Teardown: What's Inside a Cylindrical Door Lock

Ever wonder what is really inside a commercial door lock? This 51-second short takes apart a Sargent 65G05 KL cylindrical lockset with three small tools, then puts it back together.

Oct 18, 2026

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