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
David Bolton SVR Exit Devices on Non-Rated Door Pairs: Why the Bottom Strike Is the Detail That Breaks the Opening The Part Nobody Talks About Until the Door Will Not Latch This article covers a specific field problem that affects surface vertical rod (SVR) exit device installations on non-rated door pairs: the bo... SVR panic hardware commercial egress door pair hardware exit devices facility maintenance Apr 23, 2026
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
David Bolton SVR Exit Devices on Non-Rated Oversized Doors: A Specifier's Field Guide to Sizing, Prep, and Outside Trim What This Guide Covers Surface vertical rod (SVR) exit devices on oversized, non-rated openings introduce a specific set of decisions that a standard rim-device spec simply does not address. This guid... SVR panic hardware commercial egress door hardware specification exit devices oversized doors Apr 23, 2026
David Bolton SVR Exit Devices on Oversized Fire-Rated Doors: What Changes at 4x8 Why Door Size Changes Everything on a Fire-Rated SVR Opening This guide is for commercial contractors, facility managers, and architects who are specifying or installing a surface vertical rod (SVR) e... NFPA 80 compliance SVR panic hardware commercial egress hardware fire-rated exit devices oversized door hardware Apr 23, 2026
