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Cylinder Dogging on Exit Devices: Why the Upgrade Gets Ordered Wrong Before Anyone Checks the Fire Rating

What Cylinder Dogging Actually Does on a Panic Bar Cylinder dogging is a feature that lets a building operator use a standard key cylinder to hold an exit device's latch bolt in the retracted position...

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Jun 27, 2026

When the Replacement Lockset Does Not Match the Existing Door Prep: What to Measure Before You Order

Why the Door Prep Is the First Thing to Confirm -- Not the Last This article is for maintenance technicians, commercial subcontractors, and facility managers who need to replace a worn or damaged cyli...

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Jun 26, 2026

Patented Keyway Systems Explained: Sargent, Corbin Russwin, Accentra, ASSA, Medeco — and What Key Control Actually Buys You

What This Guide Covers — and Who It Helps Facility managers, security consultants, and commercial contractors keep asking the same question when a key-control project comes up: which restricted-keyway...

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Jun 26, 2026

Exit Devices for Acoustic Spaces: Keeping Egress Hardware From Fighting the Room

Why Egress Hardware Becomes a Problem in Noise-Sensitive Buildings This article is for architects, acoustical consultants, and facility managers specifying or replacing exit devices in spaces where so...

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Jun 26, 2026

Dead-Latch vs Spring-Latch Cylindrical Locksets: Which One Belongs on Your Opening?

The Latch Mechanism Behind Every Cylindrical Lockset Matters More Than Most Specs Acknowledge When a contractor, facility manager, or architect orders a cylindrical lockset, the conversation usually c...

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Jun 26, 2026

The Rim Strike on a Mullion-Free Door Pair: Why the Meeting Stile Clearance Gets Ignored Until the Panic Hardware Binds

Why the Rim Strike on a Mullion-Free Pair Is Not an Afterthought This article is for commercial contractors, facility managers, and architects who are specifying or installing rim exit devices on pair...

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Jun 26, 2026

Door Hardware on OSHPD Projects: What Gets Missed Before the Inspector Walks the Floor

What OSHPD Hardware Requirements Actually Mean for a Door Schedule This article is for contractors, hardware consultants, and facility project managers working on California healthcare construction re...

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Jun 25, 2026

Cleanroom Door Hardware: What Gets Specified Wrong Before the Contamination Control Consultant Sees the Schedule

What This Article Covers and Who It Helps Cleanroom door hardware sits at the intersection of contamination control, life safety code, and everyday hardware specification. This guide is written for co...

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Jun 25, 2026

The Bottom Strike on a Vertical Rod Exit Device: Why the Floor Prep Gets Done Wrong Before the Door Ever Closes

What This Article Covers This guide is for commercial subcontractors, facility maintenance technicians, and project managers who are installing or replacing vertical rod exit devices and want to avoid...

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Jun 25, 2026

Fire Department Key Boxes: What the AHJ Actually Expects When a Knox Box Goes on Your Building

What This Article Covers and Who It Helps If you are a facility manager, general contractor, or architect coordinating a new commercial building permit, you have almost certainly run into a fire depar...

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Jun 24, 2026

What Lockset Cycle Testing Under ANSI/BHMA Standards Actually Tells You Before You Spec the Hardware

Why Cycle Count Is the Number That Matters Most When Specifying a Lockset This article explains what ANSI/BHMA cycle testing means for commercial locksets, how the Grade 1, 2, and 3 rating system tran...

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Jun 24, 2026

Why the Top Strike Gets Forgotten When a Vertical Rod Exit Device Is Replaced Mid-Project

The Part That Stops the Door — and Stops the Job This article is for commercial contractors, facility managers, and project architects who are replacing or specifying vertical rod exit devices on alum...

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Jun 24, 2026

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