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Our Blog

When the Wire Count on an Electric Transfer Hinge Is Wrong: How a 4-Wire Spec Becomes a Field Problem

Why Wire Count on an Electrified Hinge Matters More Than Most Specs Think This article is for contractors, hardware specifiers, and facility managers who are commissioning an electrified door opening ...

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Apr 23, 2026

ADA Wheelchair Ramp Thresholds at Occupied Buildings: How the Offset Spec Gets Chosen in the Field

What This Guide Covers and Who It Helps Selecting an ADA-compliant wheelchair ramp threshold for an already-occupied building is a different problem than specifying one on a new build. The door exists...

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Apr 23, 2026

Vinyl Perimeter Weatherstrip on Commercial Doors: Why the Closer Setting and the Seal Compression Have to Be Solved Together

Why Perimeter Weatherstrip Problems Are Almost Never Just a Weatherstrip Problem This article is for contractors, facility managers, and project superintendents dealing with a door that leaks air, dra...

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Apr 23, 2026

Door Bottom Shoes vs. Sweeps: Choosing the Right Assembly When the Floor Condition Changes

The Problem Starts at the Floor, Not the Door This article helps contractors, facility managers, and architects understand when a door bottom shoe is the right call versus a simple sweep or automatic ...

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Apr 23, 2026

When a Barn Door Track Goes Commercial: The Structural and Hardware Decisions That Change at the Job Site

What This Guide Covers and Who It Is For Barn door track systems have moved well beyond residential renovations. Contractors, facility managers, and architects are now specifying sliding track hardwar...

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Apr 23, 2026

Security Glazing in Wood Doors: Why the Glass Spec Is Not the Last Decision You Make

What This Article Covers This guide is for contractors, facility managers, and architects who are specifying or retrofitting a security door window lite in a wood door. The subject is narrower than it...

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Apr 23, 2026

Intruder-Function Classroom Locks: Choosing and Specifying the Right Mortise Lock for School Security Upgrades

What This Guide Covers This article explains how intruder-function classroom mortise locks work, what separates them from a standard classroom function lock, and what facility managers, school constru...

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Apr 23, 2026

Heavy-Weight Hinges and High-Frequency Doors: Why the Closer Is Not the Only Reason a Hinge Wears Out

The Closer Gets Blamed. The Hinge Is the Problem. This article is for facility managers, commercial contractors, and specifiers who are dealing with doors that sag, bind, or develop excessive play ove...

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Apr 23, 2026

Grade 2 Storeroom Locks in Multi-Tenant and Light Commercial Buildings: When Is Grade 2 Actually Enough?

What This Article Covers — and Who Should Read It This guide is for contractors pricing out light commercial renovations, property managers specifying hardware for multi-tenant buildings, and facility...

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Apr 23, 2026

Ball Bearing Hinges on Doors with Closers: Why the Bearing Type Is Not Optional

The Short Answer: A Closer Changes Everything About the Hinge This article is for contractors, facility managers, and specifiers who are choosing or replacing hinges on commercial doors equipped with ...

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Apr 23, 2026

Switching an SVR Exit Device from a Dogged Opening to a Latching One: What Changes at the Strike, Rod, and Frame

Why This Conversion Happens More Than It Should Surface vertical rod (SVR) exit devices get dogged open on non-rated openings all the time. A school corridor pair, a retail stockroom egress, a warehou...

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Apr 23, 2026

Nylon Brush Astragals on Exterior Door Pairs: Why the Finish and Pile Height Decision Happens at the Opening, Not the Catalog

What This Article Covers and Who It Helps A nylon brush astragal seals the gap at the meeting stile of a door pair. On exterior openings, it blocks drafts, wind-driven rain, dust, insects, and light. ...

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Apr 23, 2026

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