David Bolton Outswing Doors in Occupied Buildings: Why the NRP Hinge Detail Gets Skipped — and What Happens Next The Security Gap Nobody Argues About Until It Is Too Late This article is for contractors finishing punch lists, facility managers reviewing door schedules during a renovation, and architects specifyi... NRP hinges commercial hardware door security hinges outswing doors Apr 23, 2026
David Bolton Ball Bearing Hinges on Doors with Closers: Why the Bearing Type Is Not Optional The Short Answer: A Closer Changes Everything About the Hinge This article is for contractors, facility managers, and specifiers who are choosing or replacing hinges on commercial doors equipped with ... ball bearing hinges commercial hardware door closers hinge specification hinges Apr 23, 2026
David Bolton NRP Hinges on Outswing Doors: When and Why Non-Removable Pins Matter The Security Gap Most Contractors Miss at Outswing Openings If a door swings toward the outside of a building, its hinge pins face the public side of the opening. On a standard loose-pin hinge, that m... NRP hinges commercial hardware door hinges hinge specification outswing door security Apr 22, 2026
David Bolton Intermediate Pivots: Why They Fail, When You Need Them, and How to Fix the Problem What Are IntermediatePivots and Why Do They Matter? A pivot set transfers a door's full weight to the floor and overhead frame rather than distributing it across multiple hinge knuckles. That makes pi... commercial hardware door hardware floor closers heavy doors pivots Apr 19, 2026
David Bolton Commercial Door Threshold Selection Guide: Sealing, ADA, and Heavy-Traffic Applications What This Guide Covers and Who It Helps Selecting the right commercial door threshold affects weather performance, code compliance, long-term durability, and your inspection results. Whether you are a... ADA compliance commercial hardware door thresholds heavy-traffic hardware weathersealing Apr 18, 2026 HES Electric Strike Informational Videos
David Bolton How to Choose the Right Door Closer for Schools, Hospitals, and Commercial Buildings The Right Door Closer Makes a Bigger Difference Than You Think Whether you are managing a school facility, overseeing a hospital renovation, or bidding a commercial tenant buildout, selecting the righ... ADA compliance commercial hardware door closers facility maintenance fire door hardware Apr 18, 2026 HES Electric Strike Informational Videos
