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19 Articles

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Closer Torque Rating vs. Door Inertia: Why the Physics of Your Opening Determines the Right Closer Size

What This Article Covers -- and Who It Helps When a closer fails to latch a heavy corridor door or slams shut faster than it should, the instinct is to blame the spring adjustment. The real cause is u...

ADA compliance ANSI A156.4 closer sizing commercial hardware door closers

Sep 6, 2026 Our Blog

Cam-Action vs. Rack-and-Pinion Door Closers: Which Mechanism Belongs on Your Opening?

Two Mechanisms, One Job -- But Very Different Results This article explains the mechanical difference between cam-action and rack-and-pinion door closers, when each design has the advantage, and how t...

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Sep 5, 2026 Our Blog

Door Closer Spring Size by Door Width and Weight: Getting the Number Right Before You Install

Why Spring Rate Is the First Closer Decision, Not an Afterthought This article helps contractors, facility managers, and specifiers choose the correct door closer spring size based on door width and w...

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Sep 4, 2026 Our Blog

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...

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Sep 3, 2026 Our Blog

When the HVAC Changes, Your Door Closers Need a Second Look

Why a New HVAC System Can Make a Perfectly Good Closer Fail This article is for facility managers, mechanical contractors, and building engineers who have noticed that doors are slamming, not latching...

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Sep 2, 2026 Our Blog

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...

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Sep 2, 2026 Our Blog

Why Your Door Closer Slows Down in Winter -- and What to Do About It

The Problem That Starts Every January When outdoor temperatures drop, facility managers and maintenance crews across schools, healthcare campuses, and industrial plants start fielding the same complai...

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Aug 25, 2026 Our Blog

Closer Body Crack vs. Valve Failure: How to Tell the Difference Before You Order a Replacement

Why Getting This Diagnosis Right Saves You a Second Trip This article helps contractors, facility managers, and maintenance technicians figure out whether a failing door closer needs a simple valve ad...

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Aug 17, 2026 Our Blog

Concealed Overhead Closers vs. Surface-Mounted Closers: Choosing the Right Fit Before the Door Goes In

What This Article Covers If you are scheduling closers for a new build or retrofit and the spec simply says "door closer," you are already behind the decision curve. Concealed overhead closers and sur...

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Aug 16, 2026 Our Blog

Floor Closers on Double-Acting Doors: What Changes When the Door Swings Both Ways

The Problem With Putting a Standard Closer on a Double-Acting Door This article explains how door closers work differently on double-acting openings, which closer types are appropriate, and what speci...

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Aug 13, 2026 Our Blog

Overhead Door Holders in Industrial Facilities: Matching the Right Device to the Load, Cycle, and Opening

The Problem Nobody Talks About Until the Door Destroys the Wall This article is for facility managers, commercial hardware specifiers, and industrial maintenance teams who need to match an overhead do...

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Aug 9, 2026 Our Blog

Concealed Power Transfer on Doors With Closers: Routing Wires When the Frame Head Is Already Occupied

The Problem Nobody Plans for Until the Closer Template Goes Down This article is for commercial hardware contractors, access control integrators, school facilities teams, and specifiers who need to tr...

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Jul 29, 2026 Our Blog

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