David Bolton Propping vs. Holding Back: When a Mortise Lock Hold-Back Function Is the Right Answer for Your Door Schedule What This Article Covers This guide is for commercial hardware specifiers, facility managers, and installing contractors who encounter doors that need to stay latched open during business hours -- but... Grade 1 hardware commercial door hardware door schedule specification hold-back function mortise locksets Aug 3, 2026 Our Blog
David Bolton Fire-Rated Cylindrical Locksets: What the UL Listing Actually Requires at the Opening Level Why the Lock Label Alone Does Not Make the Opening Fire-Rated This article is for facility managers, commercial contractors, and architects who specify or maintain doors with cylindrical locksets on f... Grade 1 hardware NFPA 80 UL fire rating cylindrical locksets fire door compliance Jul 31, 2026 Our Blog
David Bolton Specifying Privacy Mortise Latchsets for Commercial Interiors: A Practical Guide Why Privacy Mortise Latchsets Deserve Closer Attention on Your Hardware Schedule Privacy locking functions show up on nearly every commercial project -- restrooms, exam rooms, counseling offices, priv... Grade 1 hardware commercial door hardware institutional hardware mortise latchsets privacy hardware Apr 22, 2026 Our Blog