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Fire-Rated Automatic Door Bottoms: What Makes a Drop Seal Code-Compliant on a Labeled Opening

Why the Fire Rating on an Automatic Door Bottom Actually Matters This guide is for contractors, facility managers, and specifiers who need to understand the compliance difference between a standard au...

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Apr 23, 2026

Stainless Steel Hinges on Commercial Doors: Why Finish and Base Material Both Matter

The Confusion Between Stainless Finish and Stainless Steel This guide is for contractors, facility managers, and architects who specify or maintain commercial door hardware. It covers one of the most ...

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Apr 23, 2026

How Many Circuits Does Your Electric Hinge Actually Need? A Wiring Guide for Electrified Door Openings

Why Circuit Count Is the Decision Most Specifiers Get Wrong This guide is for contractors, hardware specifiers, and facility managers who are wiring electrified door openings and need to match the rig...

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Apr 23, 2026

Fire-Rated SVR Exit Devices: The Annual Inspection Checklist That Keeps You Code-Compliant

Why Fire-Rated SVR Exit Devices Demand a Dedicated Inspection Routine This guide is for facility managers, maintenance contractors, and life safety inspectors who are responsible for keeping fire-rate...

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Apr 23, 2026

Full Surface vs. Semi-Mortised Automatic Door Bottoms: Picking the Right Mount for Your Opening

What This Article Covers and Who It Helps Automatic door bottoms are specified across nearly every commercial building type — schools, healthcare facilities, office buildings, and industrial plants — ...

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Apr 23, 2026

NRP Hinges on Outswing Doors: When the Pin Is the Vulnerability

Why the Hinge Pin Becomes a Target on Outswing Doors This guide explains non-removable pin (NRP) hinges: what they are, why outswing doors require them, and how to specify or replace them correctly. I...

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Apr 23, 2026

Electric Hinges as Power Transfer Devices: How They Work and When to Specify Them

What Is an Electric Hinge and What Problem Does It Solve? An electric hinge looks almost identical to a standard commercial ball bearing hinge from the corridor side. The difference lives inside: conc...

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Apr 23, 2026

SVR Exit Devices on Non-Rated Oversized Doors: A Specifier's Field Guide to Sizing, Prep, and Outside Trim

What This Guide Covers Surface vertical rod (SVR) exit devices on oversized, non-rated openings introduce a specific set of decisions that a standard rim-device spec simply does not address. This guid...

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Apr 23, 2026

Automatic Door Bottoms: Choosing the Right Drop Seal for Sound, Smoke, and Weather Control

What This Guide Covers Automatic door bottoms are one of the most specified yet least understood items on a hardware schedule. Whether you are sealing a conference room for acoustic privacy, maintaini...

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Apr 23, 2026

Clearing the ADA Threshold Height Hurdle: Ramp Thresholds on Accessible Door Openings

What This Guide Covers and Who It Helps When a door opening sits on an accessible route, the threshold is not just a weatherseal or a floor transition piece -- it is a compliance checkpoint. Facility ...

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Apr 23, 2026

Ball Bearing Hinges on Commercial Doors: How to Size and Specify Them Right the First Time

Why Getting Hinge Spec Right Matters Before the Door Ever Gets Hung This guide helps contractors, facility managers, and specifiers choose the correct ball bearing hinge size, quantity, and configurat...

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Apr 23, 2026

SVR Exit Devices on Oversized Fire-Rated Doors: What Changes at 4x8

Why Door Size Changes Everything on a Fire-Rated SVR Opening This guide is for commercial contractors, facility managers, and architects who are specifying or installing a surface vertical rod (SVR) e...

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Apr 23, 2026

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