David Bolton Latchbolt Monitoring on Fire-Rated Electric Strikes: Why the Auxiliary Switch Gets Ignored Until the Access Control Report Flags an Unlatched Door What This Article Covers and Who It Helps This guide explains the monitoring outputs built into fire-rated electric strikes—specifically the latchbolt monitor and locking cam monitor found on heavy-du... access control door monitoring electric strikes fire-rated hardware life safety Jun 14, 2026 Our Blog
David Bolton 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
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 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 Fire-Rated Insulated Access Panels: What Changes When the Opening Also Has to Hold Temperature Two Separate Performance Demands, One Panel This article is for contractors, facility managers, and architects who need an access panel that must meet a fire rating and manage thermal or condensation ... NFPA 80 compliance access panels commercial construction fire-rated hardware insulated access doors Apr 23, 2026 Our Blog
David Bolton Fire-Rated SVR Exit Devices: Why the Door Label Drives Every Hardware Decision on a Labeled Opening What This Article Covers — and Who Needs It When a project calls for a surface vertical rod (SVR) exit device on a fire-rated opening, most of the critical decisions are already made the moment someon... NFPA 80 compliance SVR panic hardware exit devices fire-rated hardware life safety 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 Access Doors in Commercial Construction: How to Specify and Install Them Right the First Time What This Guide Covers and Who It Is For Access doors are one of the most frequently under-specified components in commercial construction. Whether you are a contractor roughing in mechanical chases, ... access doors commercial construction facility maintenance fire-rated hardware installation guide Apr 22, 2026 Our Blog