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 SVR Exit Devices on Non-Rated Oversized Pairs: How to Spec the Full Hardware Set When the Door Schedule Gets Complicated What This Guide Covers and Who It Helps When a door schedule lands on your desk with a non-rated pair at 4 feet wide by 8 feet tall, the surface vertical rod (SVR) exit device is only one piece of a l... SVR hardware commercial door pairs door hardware specification exit devices oversized doors Apr 23, 2026 Our Blog
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 Our Blog
