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539 Articles

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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

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 Our Blog

Finish Selection for Non-Ferrous Ball Bearing Hinges: Why Material Choice Outlasts the Coating Decision

What This Guide Covers and Who It Is For When a door schedule calls for a non-ferrous hinge, the conversation usually stops at finish number. But for contractors specifying openings in coastal buildin...

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Jul 24, 2026 Our Blog

What Happens to Your Access Control System When the Power Goes Out

Why Backup Power Is a Core Part of Any Access Control Design This article explains how battery backup works in commercial access control systems, what happens to electrified door hardware when buildin...

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Jul 23, 2026 Our Blog

Reading a Warped Wood Door: A Field Diagnosis Guide for Facilities Teams and Commercial Installers

What This Guide Covers and Who It Helps A wood door that binds, gaps, or fails to latch is often blamed on the hardware. But in many cases the real culprit is the door itself. This guide helps facilit...

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Jul 23, 2026 Our Blog

Square Barrel vs. Round Barrel Butt Hinges: Why the Barrel Shape Matters on Decorative and Institutional Openings

What This Article Covers and Who It Helps When a hardware schedule simply calls for a 4-1/2 x 4-1/2 full mortise butt hinge , most contractors reach for whatever ships fastest. But barrel shape is a r...

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Jul 23, 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

Door Silencer Adhesive vs Press-Fit: Choosing the Right Bump Stop for the Frame You Have

Which Door Silencer Belongs on Your Frame? This article helps contractors, facility managers, and maintenance teams choose between adhesive-backed and press-fit (rubber plug) door silencers. It sounds...

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Jul 22, 2026 Our Blog

Concealed vs. Exposed Gear: Why the Hinge Profile You Pick Changes the Retrofit Job Completely

What This Article Covers and Who It Helps When a facility manager or contractor decides to swap aging butt hinges for a full-height continuous geared hinge, the first question is almost never the righ...

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Jul 22, 2026 Our Blog

When the Building Still Has Round Knobs: Replacing Legacy Cylindrical Locksets Without Losing the Door Prep

What This Article Covers and Who It Helps Older commercial buildings -- schools built before the 1990s, industrial plants, government offices, and medical clinics that have not been renovated -- are s...

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Jul 21, 2026 Our Blog

Smoke Seals at Fire Corridor Doors: Category G vs Category H and What the Opening Actually Needs

What This Article Covers and Who It Helps Smoke seals at fire-rated corridor doors are one of the most frequently under-specified and mis-specified items on a door schedule. This guide explains what a...

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Jul 21, 2026 Our Blog

Fire-Rated Brush Sweeps on a Door Schedule: What the UL Listing Actually Limits by Door Type

Why the Brush Sweep Line Item on Your Hardware Schedule Is Not a Universal Pick This article is for project managers, commercial door installers, and specifiers who have a fire-rated opening on their ...

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Jul 21, 2026 Our Blog

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