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Our Blog

Access Level Scheduling Explained: How Time-Based Door Control Works Across a Real Building

What This Article Covers -- and Who It Helps Access level scheduling is one of the most practical -- and most misunderstood -- features built into modern electronic access control systems. This guide ...

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Nov 4, 2026

Four Hinges on a Standard-Height Door: The Scenarios Where the Extra Leaf Earns Its Keep

The Short Answer: Three Hinges Cover Most Doors, But Not Every Door This article is for contractors, facility managers, and specifiers who run into situations where a standard three-hinge layout is no...

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Nov 4, 2026

Recessed vs. Surface-Mounted Baby Changing Stations: How Mounting Choice Shapes the Rough-In, the Finish, and the Inspection

What This Guide Covers and Who It Helps Choosing between a recessed and a surface-mounted baby changing station is not just an aesthetic call. It drives decisions about wall cavity depth, blocking loc...

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Nov 4, 2026

UL 752 Bullet-Resistant Ratings Decoded: How to Match the Level to the Opening

What This Article Covers -- and Who Needs It If you are specifying a secure entry for a bank, government facility, school office, hospital pharmacy, or any opening where forced ballistic entry is a de...

UL 752 bullet-resistant doors door specification security hardware specialty openings

Nov 3, 2026

Lift-Off Hinges for Service Access Doors: Matching the Hinge to the Job Before You Order

What This Article Covers This guide helps facility managers, commercial contractors, and maintenance technicians understand when a lift-off hinge is the right tool for a service access opening, how to...

commercial-door-hardware facility-maintenance hinges industrial service-access

Nov 3, 2026

Recessed Combo Units and the Electrical Rough-In Problem Nobody Talks About

Why the Power Source Decision on a Recessed Combo Unit Is a Construction Sequencing Problem This article is for contractors, facility managers, and architects specifying or installing fully recessed a...

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Nov 3, 2026

Piano Hinges as Continuous Alternatives: What the Spec Should Say Before You Order

Why This Question Keeps Coming Up on Submittals When a project calls for a continuous hinge and a contractor or facility manager prices out a piano hinge as a substitute, the hardware schedule can qui...

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Nov 2, 2026

What ANSI A156.3 Grade 1 Testing Actually Proves About Your Exit Device

What This Article Covers If you are specifying, purchasing, or inspecting exit devices for a commercial building, the stamp ANSI/BHMA A156.3, Grade 1 appears on nearly every compliant product data she...

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Nov 2, 2026

Sweep Speed vs. Latching Speed on a Door Closer: Two Valves, Two Jobs, One Door That Actually Closes Right

What This Article Covers and Who It Helps If a door is slamming, bouncing off the latch, closing too slowly to latch on a fire corridor, or swinging shut so fast it catches a resident in a healthcare ...

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Oct 31, 2026

Hinge Backset and Door Swing Geometry: Why the Width Formula Matters Before You Order

What This Article Covers and Who It Helps When a door refuses to open past 90 degrees, binds against trim, or leaves inadequate ADA clear width, the root cause is often a hinge width calculation that ...

ADA compliance commercial hardware door geometry hardware specification hinges

Oct 31, 2026

No Cylinder Override on a Fail Safe Mortise Lock: Why Some Access Control Openings Are Designed to Lock Out the Key

What This Article Covers This guide explains a specific and often misunderstood configuration in electrified mortise lock specifications: the fail safe function where both levers are locked and no cyl...

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Oct 31, 2026

Hardware for Lead-Lined X-Ray Room Doors: What Makes These Openings Different From Every Other Door in the Building

Why Lead-Lined Doors Are a Specialty Opening, Not a Standard Door Upgrade If you are specifying, ordering, or installing hardware for an X-ray room, CT suite, fluoroscopy room, or any radiation-shield...

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Oct 30, 2026

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