David Bolton Hospital Tip Hinges on Heavy Commercial Doors: Why Tip Style and Weight Rating Have to Align What This Article Covers This guide is written for facility managers, commercial hardware specifiers, and contractors who need to combine two distinct performance requirements in a single hinge: a hos... commercial door hardware healthcare facility hardware heavy weight ball bearing hinges hinge specification hospital tip hinges Apr 23, 2026 Our Blog
David Bolton SVR Exit Devices on Tall Fire-Rated Doors: What Changes When the Opening Is 8 Feet High Why Door Height Is Not a Minor Detail on SVR Exit Device Orders This guide is for commercial contractors, facility managers, and architects working with surface vertical rod (SVR) exit devices on fire... NFPA 80 compliance SVR exit devices commercial door hardware fire-rated exit hardware tall door hardware Apr 23, 2026 Our Blog
David Bolton Why NRP and 5x4-1/2 Both End Up on the Same Outswing Door: Sizing and Security Working Together Two Problems, One Hinge Specification This guide is for contractors, facility managers, and specifiers who are selecting hinges for outswing commercial doors and need to satisfy both load capacity and... NRP hinges commercial door hardware heavy weight hinges hinges outswing doors Apr 23, 2026 Our Blog
David Bolton Why Heavy Weight Hinges Fail Early — And How Proper Installation Prevents It What Causes a Heavy Weight Hinge to Fail Before Its Time? This article is for commercial contractors, facility maintenance technicians, and project managers who have experienced premature hinge wear, ... ball bearing hinges commercial door hardware door hardware maintenance heavy weight hinges hinge installation Apr 23, 2026 Our Blog
David Bolton Finish Matters: Choosing the Right Hinge Finish for Longevity and Specification Accuracy Why Hinge Finish Is a Specification Decision, Not Just an Aesthetic One This guide helps contractors, facility managers, and architects choose the correct hinge finish for commercial door openings. Fi... commercial door hardware fire doors hinge finish hinges specification Apr 23, 2026 Our Blog
David Bolton When to Step Up to a 5x4-1/2 Heavy Weight Hinge: Door Weight, Width, and Frequency Explained The Right Hinge Grade Is Not Always Obvious at Bid Time This guide is for contractors, facility managers, and architects who need to know exactly when a standard-weight 4-1/2 x 4-1/2 hinge is no longe... commercial door hardware door specification heavy weight hinges hinges stainless steel hinges Apr 23, 2026 Our Blog
David Bolton 8-Wire vs. 4-Wire Electric Hinges: Matching Circuit Count to Your Electrified Opening Before You Order Why Circuit Count Is the Decision That Happens Too Late Contractors and facility managers often select an electric hinge by size and finish, then discover at rough-in that the circuit count is wrong. ... access control commercial door hardware electric hinges electrified hardware power transfer Apr 23, 2026 Our Blog
David Bolton Plain Bearing vs. Ball Bearing Hinges: When the Simpler Option Is Actually the Right Call The Bearing Question Most Hardware Schedules Skip Over This guide is for contractors, facility managers, and architects who need a clear answer to a question that gets glossed over in many hardware sc... ball bearing hinges commercial door hardware full mortise hinges hinge specification plain bearing hinges Apr 23, 2026 Our Blog
David Bolton Placing the Electric Hinge in the Right Position: Why Center Matters on Every Electrified Opening The One Installation Rule That Trips Up Electric Hinge Jobs This guide explains a single, non-negotiable requirement that catches contractors and facility teams off guard more often than it should: an... access control hardware commercial door hardware electric hinges electrified openings hinge installation Apr 23, 2026 Our Blog
David Bolton Concealed Bearing Hinges on Heavy Commercial Doors: What the Spec Doesn't Always Say When a Standard Ball Bearing Hinge Is Not Enough This guide covers concealed bearing hinges for heavy commercial door openings -- what they are, when to specify them over conventional ball bearing but... NRP hinges commercial door hardware concealed bearing hinges heavy duty door hinges hinge specification Apr 23, 2026 Our Blog
David Bolton Outswing Doors with Closers: Why Your Hinge Pin and Bearing Spec Both Matter The Two Vulnerabilities Nobody Talks About Together This guide is for contractors, facility managers, and architects specifying or replacing hinges on outswing doors that also carry a closer. An outsw... NRP hinges ball bearing hinges commercial door hardware hinge specification outswing doors Apr 23, 2026 Our Blog
David Bolton Passing Ethernet Through a Door Opening: When and How to Use a PoE Electric Hinge What This Guide Covers and Who It Helps If you are specifying or installing a door-mounted access control device that communicates over a network rather than through a simple hardwired signal, you hav... access control hardware commercial door hardware electric hinges electrified door openings power over ethernet hardware Apr 23, 2026 Our Blog