David Bolton Cylinder Finish Matching to a Lockset: Where the Spec Goes Wrong and How to Get It Right Why Cylinder Finish Matching Is Harder Than It Looks This article covers one of the most consistent sources of field callbacks in commercial door hardware: the cylinder finish does not match the locks... ANSI BHMA finishes commercial door hardware cylinders hardware specification lockset finishes Aug 22, 2026 Our Blog
David Bolton Why Plain Bearing Hinges Fail Before the Door Does: Reading the ANSI Grade Before You Order The Hinge Passed Spec on Paper and Still Failed in the Field This article is for contractors, facility managers, and specifiers who have ordered what looks like a perfectly acceptable commercial hinge... ANSI hinge grades commercial door hardware fire door hardware hinges plain bearing vs ball bearing Aug 22, 2026 Our Blog
David Bolton When a Standard Push Plate Won't Fit: Custom Fabrication Considerations for Complex Openings Why Some Openings Cannot Use a Stock Push Plate This article covers what drives the need for custom push plate fabrication, what specifications must be captured before ordering, and where standard pla... commercial door hardware custom hardware fabrication door protection hardware hardware specification push plates Aug 21, 2026 Our Blog
David Bolton SFIC Systems in Multi-Building Facilities: How Small Format Interchangeable Cores Solve the Rekeying Problem at Scale What This Article Covers and Who It Helps If you manage keying across a school campus, a hospital complex, or a multi-tenant commercial building, you already know the pain: a key goes missing, a staff... SFIC institutional hardware interchangeable core systems keying and cylinders rekeying Aug 21, 2026 Our Blog
David Bolton Hospital Tip Hinges: Why the Tip Style on a Swing Clear Hinge Is Not a Cosmetic Choice A Small Detail That Shows Up on Every Inspection and Every Cleaning Round This article is for facility managers, healthcare construction managers, and architectural specifiers who are putting together... ADA door hardware fire door compliance healthcare door hardware hospital tip hinges swing clear hinges Aug 21, 2026 Our Blog
David Bolton Frame Stop Height and Seal Compression: Why the Gap Nobody Measures Costs You the Most What This Article Covers and Who It Helps Frame stop height is one of those dimensions that never appears on a punch list until something goes wrong. This article explains the relationship between fra... Door Gasketing Fire Door Compliance Frame Seals Hollow Metal Frames Weatherstripping Aug 20, 2026 Our Blog
David Bolton Mantrap Installations: How to Specify the Right Hardware for a Two-Door Security Vestibule What This Guide Covers and Who It Is For A mantrap, also called a security vestibule or airlock entry, is a controlled access passage that uses two doors in sequence to prevent tailgating and unauthor... access control commercial door hardware electrified hardware exit devices security vestibule Aug 20, 2026 Our Blog
David Bolton Plain Bearing vs. Ball Bearing Hinges: Why the Wrong Choice Follows You Through the Life of the Door The Decision Nobody Thinks About Until Something Goes Wrong Plain bearing and ball bearing hinges look nearly identical in a catalog photo. They arrive in the same ANSI sizes, carry the same knuckle c... ANSI BHMA commercial door hardware door hardware specification facility maintenance hinges Aug 20, 2026 Our Blog
David Bolton Soffit-Mounted Closer Installation: When the Frame Geometry Forces a Different Approach What This Guide Covers and Who It Is For Soffit-mounted closer installation comes up when a standard top-jamb or parallel-arm configuration simply will not work with the frame geometry in front of you... closer brackets closer installation commercial door hardware door closers top jamb mount Aug 19, 2026 Our Blog
David Bolton Paddle Handle Locksets in Hospital Settings: What Every Specifier and Facilities Team Needs to Know Why Hospitals Use Paddle Trim Instead of Levers or Knobs This article explains what paddle handle locksets are, why they are specified on patient room and clinical doors in healthcare facilities, how ... ADA compliance healthcare door hardware hospital hardware paddle locksets patient room doors Aug 19, 2026 Our Blog
David Bolton When the Motor Control Assembly Is the Failure Point: Diagnosing Electrified Exit Device Problems Before You Pull the Whole Unit The Problem Nobody Talks About: Electrified Exit Devices That Stop Working Electrically but Operate Fine Mechanically This article is for maintenance technicians, commercial door contractors, and faci... MELR access control hardware electrified exit devices exit device repair motor control assembly Aug 19, 2026 Our Blog
David Bolton Communicating Function Locksets: When Both Sides of the Door Need a Key What Is Communicating Function on a Door Lock? This article covers the communicating lock function (commonly coded F15) -- what it does, where it belongs, and the specifying decisions that trip up eve... communicating lock cylindrical locksets hardware schedules lockset functions mortise locksets Aug 18, 2026 Our Blog
