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
