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When a Deadbolt Is the Right Answer: Specifying Auxiliary Locks for Commercial Doors That Do Not Need a Latchbolt

What This Article Covers and Who It Helps Not every commercial door needs a cylindrical lockset with a latchbolt. In a surprising number of situations -- electrical rooms, pipe chases, storage closets...

auxiliary locks code compliance commercial hardware deadbolts hardware specification

Jul 16, 2026

Spring Hinge Combination Tables: Why the Count You Picked on Paper Fails When the Door Hits the Frame

The Problem Nobody Catches Until the Inspector Does A door swings open and stays there. Or it slams before the latch can catch. Or the inspector notes that the fire-rated assembly is not self-closing ...

NFPA 80 commercial hinges fire door compliance self-closing hardware spring hinges

Jul 16, 2026

Access Level Scheduling Explained: How Time-Based Door Permissions Change What Your Hardware Needs to Do

What This Article Covers and Who It Helps Access level scheduling is the practice of assigning different door permissions to different credential holders based on the time of day, day of week, or cale...

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Jul 15, 2026

Closer Drop Plates and Back Plates Explained: When the Top Rail Is Too Shallow to Do the Job Alone

What Are Closer Drop Plates and Back Plates? If you have ever arrived on a job site and found that a surface-mounted door closer has nothing solid to fasten to, you already know why adapter plates exi...

Closer Accessories Commercial Door Hardware Door Closers Hardware Specification Installation

Jul 15, 2026

Extended Door Bottom Shoes on Fire-Rated Openings: When the 3-Inch Height Changes What the Inspector Expects

What This Article Covers and Who It Helps An extended door bottom shoe looks like a simple piece of extruded aluminum screwed to the bottom of a door. Most installers treat it as the last item on the ...

NFPA 80 compliance Pemko door bottom shoes fire-rated doors seals and sweeps

Jul 15, 2026

NRP Hinges on Outswing Doors: When the Pin Is the Vulnerability and How to Fix It Before the Frame Is Set

The Problem Nobody Catches Until the Door Is Already Hung Outswing commercial doors show up constantly in schools, healthcare facilities, retail storefronts, and industrial buildings. They improve egr...

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Jul 14, 2026

Head and Jamb Seal Selection: Matching the Perimeter Weatherstrip Profile to the Opening

Why Perimeter Seal Selection Is Not a Default Decision This article covers how to choose the correct head and jamb weatherstrip profile for commercial door openings -- and helps contractors, facility ...

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Jul 13, 2026

Panic Hardware in Assembly Occupancies: What the Occupant Load Threshold Actually Triggers

What This Article Covers and Who It Helps If you are specifying, bidding, or inspecting door hardware in a theater, arena, conference center, house of worship, banquet hall, or any other assembly-use ...

assembly occupancy code compliance exit devices life safety panic hardware

Jul 13, 2026

Matching the Sweep Insert to the Door Gap: Why Brush vs. Blade Makes or Breaks the Sill Seal

What This Article Covers and Who It Helps When a door sweep stops performing, the aluminum carrier rarely fails first. The insert does. The real question most facility managers and commercial subs ski...

Pemko door bottom hardware door sweeps nylon brush insert sill seals

Jul 13, 2026

Mortise Exit Devices vs Rim Exit Devices: Choosing the Right Panic Hardware for the Opening

What This Article Covers -- and Who It Helps When a hardware schedule calls for panic hardware, one of the first decisions is whether to use a rim exit device or a mortise exit device . The choice aff...

commercial door hardware exit devices fire exit hardware mortise hardware panic hardware

Jul 12, 2026

Apartment Entrance Function Locksets: Choosing the Right Lock for Multi-Family Building Security and Egress

What This Article Covers and Who It Helps Specifying locksets for apartment building entrances is not the same as picking a lock for an office door. Multi-family residential entrances carry overlappin...

apartment entrance lockset cylindrical locksets lock functions multi-family hardware residential security

Jul 12, 2026

Cutting Continuous Geared Hinges to Length on the Job: What Goes Wrong When the Saw Cut Is the Last Thing Anyone Plans For

Why the Cut Is the Step Nobody Budgets Time For This article is for commercial installers, facility maintenance crews, and project managers who are sourcing or field-installing continuous geared hinge...

commercial door hardware continuous hinges field fabrication fire-rated doors hinge installation

Jul 12, 2026

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