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80 Articles

panic exit device ×

Through-Bolt vs. Sex Bolt for Exit Devices: Which Fastening Method Belongs on Your Door

Two Ways to Anchor an Exit Device -- and Why the Choice Is Not Interchangeable This article explains the practical difference between through-bolt and sex bolt (also called barrel bolt or Chicago scre...

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Aug 3, 2026

Propping vs. Holding Back: When a Mortise Lock Hold-Back Function Is the Right Answer for Your Door Schedule

What This Article Covers This guide is for commercial hardware specifiers, facility managers, and installing contractors who encounter doors that need to stay latched open during business hours -- but...

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Aug 3, 2026

Mortise Cylinders vs Rim Cylinders: Choosing the Right Cylinder for the Lock Body You Have

The Short Answer: It Depends on What the Cylinder Plugs Into This article helps contractors, facility managers, and hardware specifiers understand the practical differences between mortise cylinders a...

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Aug 2, 2026

ICC A117.1 Accessible Door Hardware: What the Standard Actually Requires at Every Opening

What This Article Covers and Who It Helps ICC A117.1 is the technical standard that defines how doors and hardware must perform on accessible routes in commercial buildings. If you are a facility mana...

ADA Compliance Accessible Hardware Code and Compliance Door Levers ICC A117.1

Aug 1, 2026

The Concealed Offset Panic Threshold: What Specifiers Get Wrong Before the Floor Goes Down

What This Article Covers and Who It Helps This guide explains how panic thresholds with a concealed offset work, why they are misspecified more often than almost any other threshold type, and what spe...

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Aug 1, 2026

When the Lock Should Disappear: Specifying Concealed Electromagnetic Locks for Design-Sensitive Openings

The Problem With a Visible Maglock in a Finished Space Standard surface-mounted electromagnetic locks do exactly what they are supposed to do: they hold a door shut with hundreds of pounds of force, r...

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Jul 31, 2026 Our Blog

When an Exit Device Stops Latching: How the Cam and Housing Assembly Fails and What to Do Before Replacing the Whole Device

The Bar Moves But the Door Does Not Latch: A Common Exit Device Problem With a Specific Cause This article is for facility managers, commercial installers, and maintenance technicians who are troubles...

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Jul 30, 2026 Our Blog

Electric Latch Retraction on Exit Devices: How Access Control Unlocks the Door Without Touching the Bar

What This Article Covers and Who It Helps If you are specifying or installing an access-controlled opening that also requires panic hardware, electric latch retraction (ELR) is the mechanism that ties...

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Jul 28, 2026 Our Blog

Exit Device Prep on Hollow Metal Doors: What Gets Cut Wrong Before the Device Ever Ships

Why Door Prep Is the Decision That Happens First -- and Hurts Last This article is for commercial subcontractors, door and hardware suppliers, and facility project managers who specify or install exit...

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Jul 26, 2026 Our Blog

Electrified Exit Device Trim: How the Outside Lever Controls Ingress Without Blocking Egress

What This Article Covers and Who It Helps Electrified exit device trim is the outside lever, handle, or pull mounted on the secure side of a panic bar that is controlled by an access system rather tha...

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Jul 24, 2026 Our Blog

Shop Drawing Review for Door Hardware: What Gets Caught Before the Order Ships

What This Article Covers A door hardware shop drawing review is the formal process of checking a submitted hardware schedule and supporting documentation against the project's contract documents befor...

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Jul 22, 2026 Our Blog

Electrified Mortise Locksets vs Electrified Cylindrical Locksets: Picking the Right Platform Before the Door Gets Prepped

Which Electrified Lock Platform Belongs on This Opening? This article helps commercial contractors, facility managers, and specifiers choose between electrified mortise locksets and electrified cylind...

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Jul 19, 2026 Our Blog

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