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 Our Blog
David Bolton Dogging a Rim Exit Device: When the Feature Helps and When It Gets You in Trouble What This Article Covers Dogging is one of the most useful features on a rim exit device — and one of the most frequently misapplied. This guide explains what dogging does, which door types and occupa... code compliance dogging exit devices life safety rim exit devices Apr 23, 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 Fire-Rated SVR Exit Devices: The Annual Inspection Checklist That Keeps You Code-Compliant Why Fire-Rated SVR Exit Devices Demand a Dedicated Inspection Routine This guide is for facility managers, maintenance contractors, and life safety inspectors who are responsible for keeping fire-rate... NFPA 80 exit devices facility maintenance fire door compliance panic hardware 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
David Bolton Rim Exit Devices on Wide Doors: A Specifier's Guide to Getting the 48-Inch Opening Right Why the 48-Inch Door Width Is a Pivot Point in Exit Device Specification A 48-inch-wide door is one of the widest single-leaf openings you will routinely encounter in commercial construction. It shows... commercial door hardware egress hardware exit devices life safety rim panic hardware Apr 22, 2026 Our Blog
David Bolton Exit Device Basics: Panic Bar Types, Fire Ratings, and Code Compliance Explained What Is an Exit Device (Panic Bar)? An exit device -- commonly called a panic bar, crash bar, or push bar -- is a door-latching assembly that releases the latch when pressure is applied in the directi... code compliance egress hardware exit devices fire exit hardware panic hardware Apr 18, 2026 HES Electric Strike Informational Videos