David Bolton Smoke Seals at Fire Corridor Doors: Category G vs Category H and What the Opening Actually Needs What This Article Covers and Who It Helps Smoke seals at fire-rated corridor doors are one of the most frequently under-specified and mis-specified items on a door schedule. This guide explains what a... corridor doors fire door gasketing fire door hardware life safety compliance smoke seals Jul 21, 2026 Our Blog
David Bolton Why the Monitoring Option on a Fire-Rated Electric Strike Gets Dropped From the Spec Before the Access Control Contractor Ever Sees the Schedule Why Monitoring Gets Written Out Before the Right People Read In This article is for commercial electrical contractors, access control integrators, and facility managers who oversee fire-rated door ope... access control electric strikes fire-rated hardware latchbolt monitoring life safety compliance Jun 23, 2026 Our Blog
David Bolton Surface Vertical Rod Exit Devices on Door Pairs: Why the Strike Sequence Gets Decided After the Astragal Is Already Installed Why This Gets Ordered Wrong on Paired Openings Surface vertical rod (SVR) exit devices are a common specification on pairs of doors in schools, hospitals, retail exits, and industrial facilities. They... door pairs exit devices fire exit hardware life safety compliance surface vertical rod Jun 8, 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