David Bolton Storeroom Lock Function on Fire-Rated Doors: Why the ANSI Code Gets Changed After the Opening Is Already Scheduled Why the Storeroom Function Creates More Late-Stage Surprises Than Almost Any Other Lock Type This article is for commercial contractors, facility managers, and project architects who have specified or... ANSI lock functions code compliance commercial locksets fire-rated hardware storeroom lock May 25, 2026 Our Blog
David Bolton ADA Wheelchair Ramp Thresholds on Fire-Rated Openings: How the Height Limit and the Fire Listing Pull in Opposite Directions Two Standards, One Opening: Why Fire-Rated Doors Make ADA Threshold Selection Harder This article is for contractors, facility managers, and architects who are specifying or installing ADA-compliant w... ADA compliance accessible routes code compliance fire-rated hardware thresholds May 18, 2026 Our Blog
David Bolton Latchbolt Monitoring on Fire-Rated Electric Strikes: The Feedback Signal That Gets Dropped From the Access Control Spec What This Article Covers This guide explains latchbolt and cam monitoring on fail-secure, fire-rated electric strikes — what those feedback signals mean, why they are dropped from access control speci... access control code compliance electric strikes electrified hardware fire-rated hardware May 17, 2026 Our Blog
David Bolton Wiring a Maglock Kit for Outdoor and Weather-Exposed Openings: The System Details That Get Missed Before Rough-In What This Article Covers and Who It Helps A magnetic lock kit bundled with a keypad, power supply, and push button looks like a complete solution right out of the box. For many interior access-control... access control code compliance egress compliance magnetic locks outdoor hardware Apr 23, 2026 Our Blog
David Bolton Dogging a Rim Exit Device: When the Feature Helps and When It Gets You in Trouble What This Article Covers Dogging is one of the most useful features on a rim exit device — and one of the most frequently misapplied. This guide explains what dogging does, which door types and occupa... code compliance dogging exit devices life safety rim exit devices Apr 23, 2026 Our Blog
David Bolton Fire-Rated and Acoustic Automatic Door Bottoms: A Specifier's Guide to Getting the Assembly Right What This Guide Covers Automatic door bottoms that carry both a fire rating and an acoustic (sound attenuation) rating occupy a narrow but critical position in commercial hardware scheduling. Specifyi... acoustic door seals automatic door bottoms code compliance door gasketing fire door hardware Apr 22, 2026 Our Blog
David Bolton Fire-Rated Access Doors: What Contractors and Facility Managers Need to Know What Is a Fire-Rated Access Door? A fire-rated access door is a listed assembly that provides maintenance personnel or inspectors entry to concealed building systems -- think plumbing valves, electric... code compliance commercial door hardware facility maintenance fire-rated access doors life safety Apr 22, 2026 Our Blog
David Bolton Exit Device Basics: Panic Bar Types, Fire Ratings, and Code Compliance Explained What Is an Exit Device (Panic Bar)? An exit device -- commonly called a panic bar, crash bar, or push bar -- is a door-latching assembly that releases the latch when pressure is applied in the directi... code compliance egress hardware exit devices fire exit hardware panic hardware Apr 18, 2026 HES Electric Strike Informational Videos