David Bolton Switching an SVR Exit Device from a Dogged Opening to a Latching One: What Changes at the Strike, Rod, and Frame Why This Conversion Happens More Than It Should Surface vertical rod (SVR) exit devices get dogged open on non-rated openings all the time. A school corridor pair, a retail stockroom egress, a warehou... SVR exit devices commercial door hardware exit device maintenance life safety hardware panic hardware Apr 23, 2026 Our Blog
David Bolton SVR Exit Devices on Tall Fire-Rated Doors: What Changes When the Opening Is 8 Feet High Why Door Height Is Not a Minor Detail on SVR Exit Device Orders This guide is for commercial contractors, facility managers, and architects working with surface vertical rod (SVR) exit devices on fire... NFPA 80 compliance SVR exit devices commercial door hardware fire-rated exit hardware tall door hardware Apr 23, 2026 Our Blog