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25 Articles

pin × NFPA 80 compliance ×

Why the Core Inside a Wood Door Determines Whether It Earns a Fire Rating

What This Article Covers -- and Who It Helps If you are specifying wood doors for a fire-rated opening -- in a school corridor, a hospital stairwell, or a commercial tenant separation -- the single mo...

NFPA 80 compliance fire door hardware fire-rated wood doors mineral core doors wood door specification

Aug 29, 2026

Grade 2 vs Grade 1 Passage Latchsets on Fire-Rated Openings: Where the Spec Gets Quietly Wrong

The Problem Nobody Catches Until the Inspector Does A Grade 2 cylindrical passage latchset shows up on a hardware schedule. It carries a UL 10C positive-pressure fire rating label. The hardware suppli...

BHMA grades NFPA 80 compliance cylindrical locks fire-rated hardware passage latchsets

Jul 31, 2026

Extended Door Bottom Shoes on Fire-Rated Openings: When the 3-Inch Height Changes What the Inspector Expects

What This Article Covers and Who It Helps An extended door bottom shoe looks like a simple piece of extruded aluminum screwed to the bottom of a door. Most installers treat it as the last item on the ...

NFPA 80 compliance Pemko door bottom shoes fire-rated doors seals and sweeps

Jul 15, 2026

Fire Door Inspector Certification: What the FDAI Credential Actually Requires and Why It Changes Your Inspection Walk

Who This Article Is For and What It Covers This article explains the fire door assembly inspector (FDAI) certification process, what the credential actually tests, and how the inspection checklist con...

FDAI certification NFPA 80 compliance fire door hardware fire door inspection life safety

Jul 7, 2026

Fire Pin Assemblies in Steel Hinges: What They Do, When They Matter, and How to Confirm the Opening Is Covered

What This Article Covers This guide explains what a fire pin assembly is inside a steel butt hinge, why it exists, which openings require it, and what facility managers, contractors, and specifiers sh...

NFPA 80 compliance fire door hardware fire-rated openings hinge specification steel hinges

Jun 30, 2026

How Spring Hinge Count Gets Wrong on a Fire-Rated Residential-Scale Opening — and What to Check Before the Door Is Ever Hung

Why the Spring Hinge Count Is the Most Quietly Misread Line on a Hardware Set This article is for contractors, facility managers, and architects working on openings where a spring hinge substitutes fo...

NFPA 80 compliance door hardware installation fire-rated doors self-closing hardware spring hinges

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

Why the Anti-Ligature Seal Gets Ordered in a Short Roll When the Job Needs a 300-Foot Quantity

The Procurement Problem Nobody Flags Until the Door Count Is Already Wrong This article is for contractors, facility managers, and architects working on behavioral health units, psychiatric wings, cor...

NFPA 80 compliance anti-ligature hardware behavioral health doors fire and smoke seals perimeter gasketing

Jun 17, 2026 Our Blog

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 Our Blog

Fire-Rated Perimeter Seals in Behavioral Health: Why the Silicone Bulb Profile Gets Specified After the Ligature Risk Assessment Is Done

What This Guide Covers and Who It Is For This article explains how anti-ligature silicone bulb fire and smoke seals fit into the specification workflow for behavioral health, psychiatric, and detentio...

NFPA 80 compliance anti-ligature hardware behavioral health construction fire and smoke seals perimeter door seals

Jun 8, 2026 Our Blog

Grade 2 Storeroom Locks: When the Function Code Gets Changed in the Field and the Fire Rating Gets Lost

What This Article Covers and Who It Helps A storeroom lock function is one of the most commonly misunderstood ANSI function codes on a commercial door schedule. Contractors, maintenance technicians, a...

ANSI lock functions NFPA 80 compliance commercial locksets fire-rated hardware storeroom lock

Jun 2, 2026 Our Blog

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