David Bolton 600, 1200, or 1500 Pounds: Choosing the Right Magnetic Lock Holding Force for Your Opening Which Maglock Force Rating Does Your Opening Actually Need? This article helps contractors, facility managers, and security integrators understand the practical differences between 600, 1200, and 1500... access control hardware door security electrified hardware electromagnetic locks magnetic locks Aug 31, 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 Exit Device Trim for Outside Operation: Matching the Function to the Opening Before the Schedule Ships What Is Exit Device Outside Trim -- and Why Does It Matter? Exit device outside trim is the hardware component mounted on the pull side of a door equipped with panic or fire exit hardware. The exit de... access control hardware exit devices hardware schedules outside trim panic hardware Aug 31, 2026 Our Blog
David Bolton Plaster Bead Access Panels in Historic Interiors: Getting Behind the Wall Without Wrecking It When the Wall Itself Is the Asset This article explains what plaster bead access panels are, where they belong, and what specifiers, restoration contractors, and facilities teams at historic propertie... access panels fire-rated access doors historic renovation plaster hardware restoration construction Aug 31, 2026 Our Blog
David Bolton Privacy Lock Mortise vs. Cylindrical: Choosing the Right Mechanism Before the Door Gets Drilled Two Lock Bodies, One Function -- and the Choice Matters Before the Drill Touches the Door This article is for commercial contractors, facility managers, and architects who need a privacy-function lock... commercial door hardware facility maintenance lock specification mortise locks privacy lock function Aug 31, 2026 Our Blog
David Bolton Non-Ferrous Hinges in Corrosive Environments: When Stainless Steel or Brass Is the Right Call The Opening Condition Nobody Writes Into the Spec This article helps contractors, facility managers, and architects understand when standard steel hinges are the wrong material choice — and how to ide... commercial door hardware corrosion resistance hinges specification writing stainless steel hardware Aug 31, 2026 Our Blog
David Bolton Locking Down the Server Room: How to Spec Door Hardware for Data Center Security What This Guide Covers -- and Who It Is For Server rooms and data center enclosures have hardware requirements that sit at the intersection of physical security, life safety code, and continuous-uptim... access control commercial door hardware data center electrified hardware server room security Aug 30, 2026 Our Blog
David Bolton What Every Patient Room Door Opening Actually Needs: A Hardware Specification Guide for Hospital Construction Who This Guide Is For -- and What It Covers Hospital patient room openings look simple on the hardware schedule. In practice, they carry more requirements than almost any other door type in a healthca... ADA closers fire door compliance healthcare door hardware hospital hardware patient room lockset Aug 30, 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 Astragal Selection for Fire-Rated Door Pairs: What the Opening Schedule Has to Get Right Why the Astragal Decision on a Fire-Rated Pair Is Not an Afterthought This article is for commercial contractors, facility managers, and specifiers who are working with labeled pairs of fire-rated doo... NFPA 80 astragals door pairs fire-rated doors meeting stile hardware Aug 30, 2026 Our Blog
David Bolton When the Finish You Specified Is Not the Finish That Ships on Time: Entry Mortise Lock Lead Times and How to Plan Around Them The Finish Decision That Quietly Controls Your Schedule This article is for contractors, project managers, facility directors, and architects who have been burned by a late hardware delivery -- not be... commercial door hardware entry locks finish selection hardware lead times mortise locksets Aug 30, 2026 Our Blog
David Bolton When a 6-Inch Hinge Is the Right Call: Oversized Hinges on Heavy Commercial Doors Explained Why the Hinge Size on a Heavy Door Is a Structural Decision, Not a Catalog Upgrade This article is for commercial contractors, facility managers, and specifiers who have faced a door that keeps saggin... commercial door hardware full mortise hinges heavy duty hardware hinge specification hinges Aug 30, 2026 Our Blog