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60 Articles

commercial door hardware ×

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 Our Blog

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 Our Blog

Manual Flush Bolts on Inactive Door Leaves: The Rod Length Decision That Bites You After the Door Is Hung

Why the Rod Length on a Manual Flush Bolt Is Not a Minor Detail This article helps contractors, facility managers, and hardware specifiers understand how manual lever extension flush bolts work on the...

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Apr 23, 2026 Our Blog

Apartment Entrance Mortise Locks: The Specification Decisions That Get Revisited at the Punch List

Why Apartment Entrance Locksets Generate More Late-Stage Changes Than Almost Any Other Door Hardware This article is for commercial contractors, multifamily project managers, and specifying architects...

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Apr 23, 2026 Our Blog

Steel Door Lite Kits on Hollow Metal Doors: The Cutout and Glass Size Decisions That Bite You at Installation

Why So Many Steel Door Lite Kit Installs Go Wrong Before the Glass Even Ships A steel door window lite kit looks like a straightforward item on a hardware schedule. Cut a hole, drop in the frame, set ...

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Apr 23, 2026 Our Blog

Passage vs. Privacy vs. Storeroom: Choosing the Right Knob Latch Function Before the Door Gets Prepped

Why Lock Function Is the Decision That Cannot Wait Until Installation Day This article is for contractors, facility managers, and project architects who specify or install cylindrical knob latch hardw...

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Apr 23, 2026 Our Blog

Pull Handle Placement on Commercial Doors: The Decisions That Happen Before the Handle Ships

Why a Straight Door Pull Is More Complicated Than It Looks A straight door pull handle is one of the simplest pieces of hardware on a commercial opening. No moving parts, no wiring, no code function. ...

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Apr 23, 2026 Our Blog

Where the QC12 Electric Hinge Goes on the Door — and Why Getting the Position Wrong Kills the Whole System

The One Rule Installers Miss on Electric Hinge Jobs This article is for commercial subcontractors, facility maintenance teams, and access control integrators who are wiring an electrified hinge into a...

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Apr 23, 2026 Our Blog

Specifying a QC12 Electric Hinge on a Heavy Door: Why Circuit Count Drives the Whole Hardware Set Decision

Why Circuit Count Is the Starting Point, Not an Afterthought This article is for architects writing hardware sets, commercial subs coordinating with an access control installer, and facility engineers...

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Apr 23, 2026 Our Blog

Finish Codes and Corrosion: Why US32D Shows Up on 4x4 Hinges in Wet and High-Traffic Openings

When the Finish on a 4x4 Hinge Is Not Just an Aesthetic Choice This article is for contractors, facility managers, and specifiers who have run into the question of why a hardware schedule calls out US...

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Apr 23, 2026 Our Blog

Electric Strike Monitoring: What the Auxiliary Switch Actually Does on an Access-Controlled Opening

What This Article Covers and Who It Helps Electric strikes do more than release a latch when a credential is presented. On monitored openings, the strike itself reports back to the access control syst...

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Apr 23, 2026 Our Blog

Lever Extension Flush Bolts on Metal Door Pairs: Solving the Rod Length Problem Before the Door Ships

Why the Rod Length Decision Happens Before the Door Leaves the Shop This article is for commercial contractors, hollow metal fabricators, and facility managers dealing with inactive leaf hardware on m...

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Apr 23, 2026 Our Blog

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