David Bolton Rim Exit Devices on Single Doors: How to Nail the Selection Before You Order Why Rim Exit Device Selection Goes Wrong Before Installation Even Starts This guide is for contractors, facility managers, and architects who need to select a rim exit device for a standard single doo... commercial door hardware egress hardware exit devices life safety rim panic hardware Apr 23, 2026 Our Blog
David Bolton Heavy Weight vs. Standard Weight Hinges: How to Choose the Right Grade Before You Order Why Hinge Weight Grade Is One of the Most Under-Specified Decisions on a Commercial Opening This guide is for contractors, facility managers, and specifiers who want to get hinge grade right the first... commercial door hardware door installation heavy weight hinges hinge specification hinges Apr 23, 2026 Our Blog
David Bolton 6-Circuit Electric Hinges: When Your Electrified Opening Outgrows a Standard Wire Count What This Guide Covers This article helps contractors, facility managers, and architects understand when a standard 2- or 4-circuit electric hinge is no longer enough for a given door opening, and whe... access control commercial door hardware electric hinges electrified hardware power transfer Apr 23, 2026 Our Blog
David Bolton Stainless Steel Hinges on Commercial Doors: Why Finish and Base Material Both Matter The Confusion Between Stainless Finish and Stainless Steel This guide is for contractors, facility managers, and architects who specify or maintain commercial door hardware. It covers one of the most ... commercial door hardware door installation hinge specification hinges stainless steel hardware Apr 23, 2026 Our Blog
David Bolton How Many Circuits Does Your Electric Hinge Actually Need? A Wiring Guide for Electrified Door Openings Why Circuit Count Is the Decision Most Specifiers Get Wrong This guide is for contractors, hardware specifiers, and facility managers who are wiring electrified door openings and need to match the rig... access control commercial door hardware electric hinges electrified hardware power transfer Apr 23, 2026 Our Blog
David Bolton NRP Hinges on Outswing Doors: When the Pin Is the Vulnerability Why the Hinge Pin Becomes a Target on Outswing Doors This guide explains non-removable pin (NRP) hinges: what they are, why outswing doors require them, and how to specify or replace them correctly. I... NRP hardware commercial door hardware door security hinges outswing doors Apr 23, 2026 Our Blog
David Bolton Electric Hinges as Power Transfer Devices: How They Work and When to Specify Them What Is an Electric Hinge and What Problem Does It Solve? An electric hinge looks almost identical to a standard commercial ball bearing hinge from the corridor side. The difference lives inside: conc... access control hardware commercial door hardware electric hinges electrified door openings power transfer hardware Apr 23, 2026 Our Blog
David Bolton Ball Bearing Hinges on Commercial Doors: How to Size and Specify Them Right the First Time Why Getting Hinge Spec Right Matters Before the Door Ever Gets Hung This guide helps contractors, facility managers, and specifiers choose the correct ball bearing hinge size, quantity, and configurat... ball bearing hinges commercial door hardware door hardware installation full mortise hinges hinge specification Apr 23, 2026 Our Blog
David Bolton Kick-Down Door Holders: Where They Work, Where They Don't, and How to Spec the Right Stop What This Guide Covers Kick-down door holders are one of the most misused pieces of hardware in commercial buildings. They are inexpensive, easy to install, and genuinely useful in the right setting. ... NFPA 80 commercial door hardware door stops and holders facility maintenance fire door compliance Apr 22, 2026 Our Blog
David Bolton How Electric Hinges Route Power to Electrified Door Hardware — A Specifier's Guide What Is an Electric Hinge and Why Does It Matter? An electric hinge — sometimes called a power transfer hinge or electrified hinge — is a full mortise butt hinge that contains concealed internal wirin... access control commercial door hardware electric hinges electrified door hardware power transfer hinge Apr 22, 2026 Our Blog
David Bolton Nylon Brush Astragals on Door Pairs: A Specifier's Guide to Getting the Seal Right Why the Meeting Stile Gap Is a Problem Worth Solving On any pair of commercial doors, the vertical gap where the two leaves meet in the center is one of the most overlooked details in a hardware sched... astragals commercial door hardware door pairs fire door compliance meeting stile seal Apr 22, 2026 Our Blog
David Bolton Hospital Tip Hinges: When and Why to Specify Them for Demanding Openings If you have ever pulled a hardware schedule for a healthcare project and seen the note hospital tip next to every hinge line item, you may have wondered exactly what that detail accomplishes and wheth... commercial door hardware hardware specification healthcare hardware hinges hospital tip hinges Apr 22, 2026 Our Blog
