David Bolton Grade 2 Storeroom Locks: When the Function Code Gets Changed in the Field and the Fire Rating Gets Lost What This Article Covers and Who It Helps A storeroom lock function is one of the most commonly misunderstood ANSI function codes on a commercial door schedule. Contractors, maintenance technicians, a... ANSI lock functions NFPA 80 compliance commercial locksets fire-rated hardware storeroom lock Jun 2, 2026
David Bolton Storeroom Lock Function on Fire-Rated Doors: Why the ANSI Code Gets Changed After the Opening Is Already Scheduled Why the Storeroom Function Creates More Late-Stage Surprises Than Almost Any Other Lock Type This article is for commercial contractors, facility managers, and project architects who have specified or... ANSI lock functions code compliance commercial locksets fire-rated hardware storeroom lock May 25, 2026
David Bolton Apartment Entrance Mortise Locks: Why the ANSI Function Code Gets Changed After the Lease Structure Is Set Why the Function Code on an Apartment Entrance Mortise Lock Is Not a Hardware Decision This article is for contractors, property managers, and architects specifying or replacing mortise locksets on ap... ANSI lock functions Grade 1 locksets apartment hardware mortise locks multi-family construction May 15, 2026
David Bolton Classroom Lockset Function Codes Decoded: What the Letter After the Series Number Actually Controls Why the Function Code Matters More Than the Lock Body This article is for contractors, facility managers, and architects who are specifying or replacing cylindrical locksets on classroom doors and kee... ANSI lock functions Grade 2 locksets classroom locksets lockset functions school door hardware Apr 23, 2026
