David Bolton Passage Knob Latches in Commercial Buildings: Why Grade 2 Is the Right Call — Until It Isn't What This Article Covers This guide helps contractors, facility managers, and architects make the right call on passage knob latches for commercial interior doors. Specifically, it addresses when a Gr... ADA hardware compliance ANSI Grade 2 hardware commercial door hardware cylindrical locksets passage latches May 20, 2026
David Bolton Classroom Locksets: What Facilities Manager's and Contractors Need to Know Who This Guide Is For This article helps school facility managers, commercial contractors, and architects understand how to properly select, specify, and install classroom-function knob locksets in in... ADA door hardware ANSI Grade 2 hardware classroom locksets commercial locksets school door hardware Apr 19, 2026