David Bolton Plain Bearing vs. Ball Bearing on a Door with a Closer: Why the Closer Is the Decision-Maker The Closer Changes Everything About How a Hinge Wears This article is for commercial contractors, facility managers, and architects who are specifying or replacing hinges on doors that carry a door cl... commercial hardware door closers hardware specification hinges maintenance Sep 3, 2026 Our Blog
David Bolton When the HVAC Changes, Your Door Closers Need a Second Look Why a New HVAC System Can Make a Perfectly Good Closer Fail This article is for facility managers, mechanical contractors, and building engineers who have noticed that doors are slamming, not latching... HVAC and door hardware closer adjustment door closers facility maintenance fire door compliance Sep 2, 2026 Our Blog
David Bolton Why Plain Bearing Hinges Get Replaced Before Their Time: Understanding Load, Use Frequency, and the Closer Pairing Rule The Hinge Nobody Questions Until It Starts Sagging Plain bearing hinges are among the most common hardware items on a commercial project, and they are also among the most commonly misapplied. This gui... commercial doors door closers hardware specification hinges plain bearing Sep 2, 2026 Our Blog
David Bolton Why the Door Coordinator Is the Most Overlooked Item on a Closer-Pair Hardware Schedule What This Article Covers -- and Who Needs It If you are specifying or installing surface closers on a pair of doors, the door coordinator is not optional hardware -- it is the device that makes the en... door closers door coordinators door pairs fire door hardware hardware scheduling Aug 30, 2026 Our Blog
David Bolton Why Your Door Closer Slows Down in Winter -- and What to Do About It The Problem That Starts Every January When outdoor temperatures drop, facility managers and maintenance crews across schools, healthcare campuses, and industrial plants start fielding the same complai... closer adjustment cold weather hardware door closers exterior door hardware facility maintenance Aug 25, 2026 Our Blog
David Bolton Pull Side vs. Push Side Closer Mounting: Choosing the Right Position Before the Door Goes Up Why Mounting Position Is One of the First Closer Decisions You Make This article explains the practical differences between pull-side and push-side door closer mounting, when each position is appropri... closer mounting commercial doors door closers hardware specification parallel arm Aug 23, 2026 Our Blog
David Bolton Door Closer Cover Materials and Finish Options: What the Spec Should Actually Say Why the Closer Cover Is Not Just a Cosmetic Decision This article covers the practical differences between door closer cover materials, the finish options specifiers and facility teams encounter on co... BHMA finishes commercial door hardware door closers hardware finishes specification writing Aug 23, 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 Closer Body Crack vs. Valve Failure: How to Tell the Difference Before You Order a Replacement Why Getting This Diagnosis Right Saves You a Second Trip This article helps contractors, facility managers, and maintenance technicians figure out whether a failing door closer needs a simple valve ad... closer body replacement closer troubleshooting commercial door hardware door closers hydraulic closer repair Aug 17, 2026 Our Blog
David Bolton Concealed Overhead Closers vs. Surface-Mounted Closers: Choosing the Right Fit Before the Door Goes In What This Article Covers If you are scheduling closers for a new build or retrofit and the spec simply says "door closer," you are already behind the decision curve. Concealed overhead closers and sur... commercial door hardware concealed overhead closers door closers door hardware specification surface mounted closers Aug 16, 2026 Our Blog
David Bolton Why a Friction Hold-Open Arm Has No Place on a Fire Corridor Door (And What to Use Instead) The Problem Shows Up at Inspection, Not at Installation This article is for facility managers, commercial hardware contractors, and project architects managing corridor door openings in schools, healt... NFPA 80 automatic-closing devices corridor hardware door closers fire door compliance Aug 14, 2026 Our Blog
David Bolton Floor Closers on Double-Acting Doors: What Changes When the Door Swings Both Ways The Problem With Putting a Standard Closer on a Double-Acting Door This article explains how door closers work differently on double-acting openings, which closer types are appropriate, and what speci... center-hung hardware commercial door hardware door closers double-acting doors floor closers Aug 13, 2026 Our Blog