David Bolton Classroom Security Locksets: How the Function Code Changes Everything About a Lockdown Why the Function Code on a Classroom Lockset Is a Life-Safety Decision This article is for school facility managers, educational construction specifiers, and commercial contractors who need to underst... classroom security lockset life safety compliance lockdown hardware mortise lock function codes school door hardware Oct 8, 2026 Our Blog
David Bolton Classroom Security Locksets: How Lockdown Function Changes the Hardware Decision Before the Schedule Ships Why Classroom Door Hardware Is a Different Spec Category This guide is for school facility managers, educational construction specifiers, and commercial contractors who need to understand how classroo... Grade 1 locks classroom security lockset lockdown hardware mortise lockset school door hardware Sep 10, 2026 Our Blog
David Bolton Classroom Lockdown Function Timing: Why a Mis-Timed Cylinder Defeats the Whole Lockdown Strategy What This Article Covers -- and Who It Helps This post explains what cylinder timing means on a classroom-function lockset, why a timing error causes the lock to fail precisely when a lockdown is call... classroom security cylindrical locks lock function lockdown hardware school door hardware Jun 28, 2026 Our Blog
