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49 Articles

hardware specification ×

Door Pull CTC: Why the Center-to-Center Dimension Is the First Decision on Any Pull Hardware Schedule

What CTC Means on a Door Pull -- and Why It Drives Everything Else This article is for contractors, facility managers, and architects who need to specify or order door pulls without sending the projec...

ADA hardware architectural hardware commercial door trim door pulls hardware specification

Sep 4, 2026

Office Function vs. Entrance Function Locksets: How One Wrong Code Breaks a Hardware Schedule

If you have ever received a hardware submittal back with a red-line on the lock function, there is a reasonable chance the specifier or contractor confused office function with entrance function. Thes...

commercial locksets entrance function hardware specification lockset functions office function

Sep 3, 2026

Reading a Sequence of Operation Diagram for Electrified Door Hardware: A Field and Spec Guide

What This Guide Covers and Who It Helps Every electrified door opening -- whether it is an access-controlled entrance at a school, a monitored corridor door in a hospital, or a secured server vestibul...

access control electrified hardware hardware specification life safety sequence of operation

Sep 3, 2026

Plain Bearing vs. Ball Bearing on a Door with a Closer: Why the Closer Is the Decision-Maker

The Closer Changes Everything About How a Hinge Wears This article is for commercial contractors, facility managers, and architects who are specifying or replacing hinges on doors that carry a door cl...

commercial hardware door closers hardware specification hinges maintenance

Sep 3, 2026

Why Plain Bearing Hinges Get Replaced Before Their Time: Understanding Load, Use Frequency, and the Closer Pairing Rule

The Hinge Nobody Questions Until It Starts Sagging Plain bearing hinges are among the most common hardware items on a commercial project, and they are also among the most commonly misapplied. This gui...

commercial doors door closers hardware specification hinges plain bearing

Sep 2, 2026

Kick Plate Height Standards: What the Spec Needs to Say Before the Hardware Ships

What This Article Covers Kick plates seem straightforward until the spec is wrong and the wrong plate shows up on a fire-rated door or a wood door with a closer. This guide covers standard height rang...

NFPA 80 commercial doors door protection hardware hardware specification kick plates

Sep 1, 2026

Cylindrical Lockset Backset 2-3/4 vs 2-3/8: How to Match the Latch to the Door Before You Drill

The Half-Inch Difference That Derails a Hardware Schedule This article explains the two most common latch backset dimensions on cylindrical locksets -- 2-3/4 inch and 2-3/8 inch -- what each one means...

backset commercial door hardware cylindrical locksets door hardware fundamentals hardware specification

Aug 31, 2026

Square Barrel vs. Round Barrel Hinges: When the Barrel Style Is an Architectural Decision, Not a Catalog Default

Why the Barrel Shape on a Full Mortise Hinge Deserves a Line in the Spec Most commercial door hardware schedules call out hinge size, weight, material, and finish — and stop there. The barrel style (s...

architectural hardware decorative hardware hardware specification hinges stainless steel hinges

Aug 29, 2026

Pull Side vs. Push Side Closer Mounting: Choosing the Right Position Before the Door Goes Up

Why Mounting Position Is One of the First Closer Decisions You Make This article explains the practical differences between pull-side and push-side door closer mounting, when each position is appropri...

closer mounting commercial doors door closers hardware specification parallel arm

Aug 23, 2026

Cylinder Finish Matching to a Lockset: Where the Spec Goes Wrong and How to Get It Right

Why Cylinder Finish Matching Is Harder Than It Looks This article covers one of the most consistent sources of field callbacks in commercial door hardware: the cylinder finish does not match the locks...

ANSI BHMA finishes commercial door hardware cylinders hardware specification lockset finishes

Aug 22, 2026

When a Standard Push Plate Won't Fit: Custom Fabrication Considerations for Complex Openings

Why Some Openings Cannot Use a Stock Push Plate This article covers what drives the need for custom push plate fabrication, what specifications must be captured before ordering, and where standard pla...

commercial door hardware custom hardware fabrication door protection hardware hardware specification push plates

Aug 21, 2026

When the Frame Sticks Out Too Far: Selecting a Closer Arm Extension for Deep Reveal Openings

The Problem Nobody Catches Until the Closer Is Already Mounted This article is for commercial contractors, hardware schedulers, and facility maintenance teams who have run into a door closer that bind...

closer arms commercial doors deep reveal door closers hardware specification

Aug 12, 2026

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