David Bolton The SVR Top Strike Alignment Problem: Why the Top Latch Misses After the Frame Is Already Set Why the Top Strike Is the Most Mislocated Component on a Surface Vertical Rod Exit Device This article is for commercial contractors, facility maintenance crews, and hardware coordinators dealing with... door hardware exit devices installation panic hardware surface vertical rod Jul 7, 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
