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15 Articles

pin × fire-rated door hardware ×

Wiring a Fail Safe Electrified Mortise Lock: What Has to Happen at the Opening Before You Pull Power

What This Guide Covers and Who It Helps Wiring a fail safe electrified mortise lock on a fire-rated opening involves more than running low-voltage cable to a lock body. The sequence of decisions — pow...

access control commercial lock installation electrified mortise locks fail safe wiring fire-rated door hardware

Oct 30, 2026

Grade 2 Passage Latchsets on Fire-Rated Openings: Where the Spec Gets Quietly Wrong

When a Passage Latchset Ends Up on a Fire Door A passage latchset looks simple: no key, no thumbturn, just a lever that retracts a latch. But once that latchset goes on a fire-rated opening, the conve...

NFPA 80 UL 10C compliance door schedule specification fire-rated door hardware passage latchsets

Aug 8, 2026

Electrified Exit Device Trim: How the Outside Lever Controls Ingress Without Blocking Egress

What This Article Covers and Who It Helps Electrified exit device trim is the outside lever, handle, or pull mounted on the secure side of a panic bar that is controlled by an access system rather tha...

access control electrified hardware exit devices fire-rated door hardware panic hardware

Jul 24, 2026

Spring Hinge Count on Fire-Rated Commercial Doors: How the Combination Table Gets Ignored Until the Inspector Arrives

Why Spring Hinge Quantity on a Fire-Rated Door Is Not a Guess This article is for commercial contractors, facility managers, and project architects who specify or install self-closing hardware on fire...

NFPA 80 fire-rated door hardware hinge combination table self-closing hinges spring hinges

Jul 4, 2026

When the Automatic Door Bottom Gets Cut to Length Before Anyone Checks the Door Handing

The Cut Happens Before the Handing Check — and That Is Where the Job Goes Wrong This article is for commercial subcontractors, door hardware installers, and facility maintenance technicians who work w...

Pemko door hardware automatic door bottoms door hardware installation door seals and sweeps fire-rated door hardware

Jun 22, 2026

Fire-Rated Automatic Door Bottoms: Why the Insert Material Gets Confirmed After the Door Schedule Is Already Printed

Why Insert Material on a Fire-Rated Automatic Door Bottom Gets Decided Too Late This guide is for commercial contractors, facility managers, and project architects who specify or install automatic doo...

NFPA 80 compliance Pemko automatic door bottoms door bottom seals fire-rated door hardware

Jun 19, 2026

Fire-Rated Automatic Door Bottoms: Why the Insert Material Gets Chosen After the Door Assembly Is Already Scheduled

The Insert Decision That Trips Up Fire Door Schedules This article is for contractors, facility managers, and architects who are specifying or replacing automatic door bottoms on fire-rated openings. ...

NFPA 80 compliance Pemko automatic door bottoms door seals and sweeps fire-rated door hardware

Jun 17, 2026

ADA Ramp Thresholds at Fire-Rated Openings: The Offset Dimension That Gets Ignored Until the Inspector Flags the Door

Why the Offset Dimension on an ADA Ramp Threshold Is the Last Thing Anyone Checks on a Fire-Rated Opening This article is for contractors, facility managers, and architects who specify or install thre...

ADA thresholds NFPA 80 compliance accessible door hardware fire-rated door hardware ramp thresholds

Jun 16, 2026

ADA Offset Interlocking Thresholds: What Changes When the Floor Transition Happens Inside a Fire-Rated Opening

When an ADA Ramp Threshold Meets a Fire-Rated Door: What Actually Changes This article is for facility managers, commercial contractors, and specifiers who are selecting or replacing an ADA offset int...

ADA thresholds NFPA 80 accessibility compliance fire-rated door hardware interlocking ramp threshold

Jun 2, 2026

Spring Hinge Tension Adjustment After the Door Is Hung: The Step Most Installers Skip

Why the Factory Tension Setting Is Almost Never the Right Starting Point This guide covers a specific field problem that shows up on nearly every project where spring hinges are used: the door swings ...

commercial hinge installation door hardware maintenance fire-rated door hardware self-closing door hardware spring hinges

May 31, 2026

Steel Door Window Lite Kits: Why the Glass Spec Gets Finalized After the Door Is Already on Order

What This Article Covers and Who It Helps A steel door window lite kit sounds like a simple add-on order: pick a size, pick a glass type, done. In practice, the glass specification for a door lite is ...

commercial door glass door window lite kits fire-rated door hardware hollow metal doors steel door glazing

May 21, 2026

Door Bottom Shoes on Fire-Rated Openings: Why the Seal Choice Gets Locked In Before the Door Is Hung

What This Article Covers and Who It Helps A door bottom shoe is a metal channel that mounts to the bottom edge of a door and holds a compressible vinyl or neoprene insert. On a standard opening, it is...

NFPA 80 compliance door bottom seals facility maintenance fire-rated door hardware seals and sweeps

May 19, 2026

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