David Bolton Fire Frame Labels and Field Cutting: What Installers and Inspectors Need to Know Why the Label on a Fire-Rated Frame Is Not Just a Sticker This article covers two closely related compliance topics that trip up installers, inspectors, and facility teams alike: how fire-rated frame ... NFPA 80 field cutting fire-rated frames frame labels hollow metal frames Sep 11, 2026
David Bolton Surface-Mounted Door Closer Selection: The Five Decisions That Determine the Right Unit for Your Opening What This Guide Covers -- and Who It Is For Choosing a surface-mounted door closer sounds straightforward until you are standing in front of a 4-foot exterior fire-rated door in a school corridor or a... ADA compliance NFPA 80 commercial door hardware door closers surface closer selection Sep 10, 2026
David Bolton The Keyed Removable Mullion on a Fire-Rated Pair: Why This One Component Shapes the Entire Opening Spec What This Article Covers This guide is written for commercial contractors, hardware specifiers, and facility managers who are configuring a fire-rated door pair and trying to understand how a keyed re... NFPA 80 exit devices fire-rated door pairs removable mullion windstorm compliance Sep 7, 2026
David Bolton NFPA 80 Fire Door Inspection: The 13-Point Annual Checklist Every Facility Needs What This Article Covers -- and Who It Helps NFPA 80, Standard for Fire Doors and Other Opening Protectives , requires that every fire door assembly be inspected and tested annually. This guide walks ... NFPA 80 annual inspection fire door hardware fire door inspection life safety compliance Sep 6, 2026
David Bolton Kick Plate Height Standards: What the Spec Needs to Say Before the Hardware Ships What This Article Covers Kick plates seem straightforward until the spec is wrong and the wrong plate shows up on a fire-rated door or a wood door with a closer. This guide covers standard height rang... NFPA 80 commercial doors door protection hardware hardware specification kick plates Sep 1, 2026
David Bolton Astragal Selection for Fire-Rated Door Pairs: What the Opening Schedule Has to Get Right Why the Astragal Decision on a Fire-Rated Pair Is Not an Afterthought This article is for commercial contractors, facility managers, and specifiers who are working with labeled pairs of fire-rated doo... NFPA 80 astragals door pairs fire-rated doors meeting stile hardware Aug 30, 2026
David Bolton Fire-Rated Privacy Locksets: What the Spec Gets Wrong When Life Safety Meets Occupied Rooms Why Privacy and Fire Rating on the Same Lockset Create More Problems Than They Solve This article is for facility managers, commercial hardware specifiers, and general contractors who encounter doors ... NFPA 80 cylindrical locksets fire-rated hardware life safety privacy function Aug 16, 2026
David Bolton Why a Friction Hold-Open Arm Has No Place on a Fire Corridor Door (And What to Use Instead) The Problem Shows Up at Inspection, Not at Installation This article is for facility managers, commercial hardware contractors, and project architects managing corridor door openings in schools, healt... NFPA 80 automatic-closing devices corridor hardware door closers fire door compliance Aug 14, 2026
David Bolton Heavy Weight vs. Standard Weight Hinges on Fire-Rated Doors: Why the Wrong Choice Fails the Annual Inspection What This Article Covers and Who It Helps This guide is for commercial contractors, facility managers, and architects who specify or maintain hinges on fire-rated door assemblies. It focuses on a spec... NFPA 80 commercial hardware fire-rated doors hinges inspection compliance Aug 13, 2026
David Bolton 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
David Bolton Fire-Rated Cylindrical Locksets: What the UL Listing Actually Requires at the Opening Level Why the Lock Label Alone Does Not Make the Opening Fire-Rated This article is for facility managers, commercial contractors, and architects who specify or maintain doors with cylindrical locksets on f... Grade 1 hardware NFPA 80 UL fire rating cylindrical locksets fire door compliance Jul 31, 2026
David Bolton Why a Passage Latchset Fails the Fire Door Inspection: The Four Gaps Most Facilities Miss What This Article Covers and Who It Helps A Grade 1 passage latchset looks identical on both sides of a corridor door whether it carries a UL fire label or not. That visual similarity is exactly why p... NFPA 80 cylindrical locks fire door compliance life safety hardware passage latchsets Jul 30, 2026