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 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 Kick Plate Height Standards: What the Spec Needs to Say Before the Hardware Ships What This Article Covers Kick plates seem straightforward until the spec is wrong and the wrong plate shows up on a fire-rated door or a wood door with a closer. This guide covers standard height rang... NFPA 80 commercial doors door protection hardware hardware specification kick plates Sep 1, 2026 Our Blog
David Bolton Cylindrical Lockset Backset 2-3/4 vs 2-3/8: How to Match the Latch to the Door Before You Drill The Half-Inch Difference That Derails a Hardware Schedule This article explains the two most common latch backset dimensions on cylindrical locksets -- 2-3/4 inch and 2-3/8 inch -- what each one means... backset commercial door hardware cylindrical locksets door hardware fundamentals hardware specification Aug 31, 2026 Our Blog
David Bolton Square Barrel vs. Round Barrel Hinges: When the Barrel Style Is an Architectural Decision, Not a Catalog Default Why the Barrel Shape on a Full Mortise Hinge Deserves a Line in the Spec Most commercial door hardware schedules call out hinge size, weight, material, and finish — and stop there. The barrel style (s... architectural hardware decorative hardware hardware specification hinges stainless steel hinges Aug 29, 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 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 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 When the Frame Sticks Out Too Far: Selecting a Closer Arm Extension for Deep Reveal Openings The Problem Nobody Catches Until the Closer Is Already Mounted This article is for commercial contractors, hardware schedulers, and facility maintenance teams who have run into a door closer that bind... closer arms commercial doors deep reveal door closers hardware specification Aug 12, 2026 Our Blog
David Bolton ANSI Lockset Grades Explained: How to Match Grade 1, 2, or 3 to the Opening in Front of You Why the Grade Number on a Lockset Actually Matters This guide is for facility managers, commercial contractors, and specifiers who need to match an ANSI/BHMA lockset grade to a specific opening withou... ANSI BHMA grades commercial door hardware cylindrical locks hardware specification locksets Aug 10, 2026 Our Blog
David Bolton Hinge Weight Ratings vs Door Cycle Counts: Matching the Right Grade to How Hard the Opening Actually Works Two Numbers That Both Have to Be Right This article explains how hinge weight capacity and cycle count durability ratings work together -- and what happens on real openings when only one of them gets ... commercial door hardware door hardware grades facility maintenance hardware specification hinges Jul 29, 2026 Our Blog
David Bolton Delayed Action on a Door Closer: The Accessibility Feature Nobody Adjusts Correctly What Is Delayed Action on a Door Closer? Delayed action is a hydraulic closer feature that holds the door open momentarily after it reaches a set angle -- typically somewhere in the range of 70 to 90 ... ADA accessibility closer adjustment commercial doors door closers hardware specification Jul 26, 2026 Our Blog