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12 Articles

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Spring Hinge Combination Tables: Why the Count You Picked on Paper Fails When the Door Hits the Frame

The Problem Nobody Catches Until the Inspector Does A door swings open and stays there. Or it slams before the latch can catch. Or the inspector notes that the fire-rated assembly is not self-closing ...

NFPA 80 commercial hinges fire door compliance self-closing hardware spring hinges

Jul 16, 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

Steel Flat Bar Astragals on Fire-Rated Door Pairs: Why the Meeting Stile Gap Gets Missed Until the Inspector Walks the Job

The Problem That Shows Up at the Wrong Time The door pair is hung, the exit devices are set, the closer is adjusted, and the hardware contractor is ready to hand off the opening. Then the authority ha...

NFPA 80 astragals commercial door hardware fire-rated door pairs seals and sweeps

Jun 19, 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 Hinges Without a Closer: Where the Self-Closing Requirement Meets a Real-World Size Limit

What This Article Covers Spring hinges are specified on fire-rated and non-rated doors when a self-closing function is required but a hydraulic door closer is not practical or budgeted. This guide is ...

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May 11, 2026

SVR Exit Device on an Oversized Door: Why the 4x8 Opening Changes Every Installation Decision

Why the Door Size Is Not Just a Catalog Filter This article is for commercial contractors, facility managers, and hardware specifiers working with surface vertical rod (SVR) exit devices on oversize f...

NFPA 80 SVR exit device exit devices fire-rated hardware oversized doors

May 11, 2026 Our Blog

The Fire Door Audit That Gets Heavy-Duty Kick-Down Holders Flagged Every Time

Why This Comes Up at Inspection -- Not at Spec Time This article is for facility managers facing an annual fire door inspection, contractors walking a punch list, and anyone who has ever found a kick-...

NFPA 80 commercial door hardware door stops and holders facility maintenance fire door compliance

Apr 23, 2026 Our Blog

Kick-Down Door Holders on Non-Fire-Rated Openings: Where They Belong and Where They Get You in Trouble

What This Article Covers Kick-down door holders are one of the most misapplied pieces of hardware in commercial buildings. They show up on fire corridor doors, on hold-open applications that require e...

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Apr 23, 2026 Our Blog

Insulated Access Panels in Fire-Rated Ceilings: Why the Flange Type Decides Whether Your Inspection Passes

Why the Access Panel Detail Nobody Thinks About Causes the Most Inspection Headaches This article is for contractors, facility managers, and project managers who specify or install access panels in fi...

NFPA 80 access panels facility maintenance fire-rated hardware life safety compliance

Apr 23, 2026 Our Blog

Automatic Door Holders on Fire Corridor Doors: Why the Hold-Open Position Matters More Than the Device Itself

Why This Matters to Contractors, Facility Managers, and Architects This article covers a specific field problem that comes up repeatedly on fire-rated corridor and smoke-barrier doors: the automatic d...

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Apr 23, 2026 Our Blog

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...

NFPA 80 exit devices facility maintenance fire door compliance panic hardware

Apr 23, 2026 Our Blog

Kick-Down Door Holders: Where They Work, Where They Don't, and How to Spec the Right Stop

What This Guide Covers Kick-down door holders are one of the most misused pieces of hardware in commercial buildings. They are inexpensive, easy to install, and genuinely useful in the right setting. ...

NFPA 80 commercial door hardware door stops and holders facility maintenance fire door compliance

Apr 22, 2026 Our Blog