David Bolton 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 Our Blog
David Bolton Fire-Rated Perimeter Weatherstrip on Steel Doors: Why the UL10C Listing Gets Overlooked Until the Door Fails Inspection Why Perimeter Weatherstrip Fails the Fire Door Inspection — and Nobody Noticed Until the End This article is for commercial contractors, facility managers, and project architects who are specifying or... NFPA 80 UL10C fire-rated doors perimeter seals weatherstrip May 25, 2026 Our Blog
David Bolton Fail-Secure Electric Strikes on Fire-Rated Doors: What the Monitoring Outputs Actually Tell You What This Article Covers This guide is for contractors, security integrators, and facility managers who specify or install fail-secure electric strikes on fire-rated openings. Specifically, it address... NFPA 80 access control electric strikes fire-rated openings latchbolt monitoring May 24, 2026 Our Blog
David Bolton 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 ... NFPA 80 door hardware specification fire door hardware self-closing doors spring hinges May 11, 2026 Our Blog
David Bolton 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
David Bolton Fail-Secure Electric Strikes on Fire-Rated Doors: Why the Monitoring Spec Gets Dropped Before the Opening Is Complete What This Article Covers — and Who Needs It Fail-secure electric strikes on fire-rated openings are one of the most compliance-sensitive hardware decisions in commercial construction. Contractors, sec... NFPA 80 access control electric strikes fail-secure hardware fire-rated doors May 9, 2026 Our Blog
David Bolton 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
David Bolton 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... NFPA 80 door holders door stops fire door compliance kick-down stop Apr 23, 2026 Our Blog
David Bolton 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
David Bolton 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... NFPA 80 automatic door holders corridor doors door stops and holders fire door compliance Apr 23, 2026 Our Blog
David Bolton Why SVR Exit Devices Fail Annual Fire Door Inspections — and What to Fix Before the Inspector Arrives What This Article Covers Surface vertical rod (SVR) exit devices are among the most common fire-rated exit hardware configurations on pairs of commercial doors. They are also among the most frequently... NFPA 80 SVR panic hardware exit devices fire door compliance fire door inspection Apr 23, 2026 Our Blog
David Bolton Fire-Rated Rim Exit Devices: Why the Door Label Is Just the Beginning of Code Compliance More Than a Panic Bar: What Fire Exit Hardware Actually Requires This guide is for commercial contractors, facility managers, and architects working with fire-rated door assemblies that require egress... NFPA 80 exit devices fire door compliance life safety rim exit hardware Apr 23, 2026 Our Blog