David Bolton Storeroom Function Locksets: How to Specify the Right Grade and Finish for Your Project What Is a Storeroom Function Lockset -- and When Do You Actually Need One? A storeroom function lockset keeps a door locked from the outside at all times, requiring a key for entry. The inside knob or... commercial door hardware cylindrical locks hardware specification locksets storeroom function Apr 22, 2026 Our Blog
David Bolton Privacy Knob Latchsets in Commercial Buildings: What Facility Managers and Contractors Need to Know What This Guide Covers Privacy latchsets are one of the most commonly misspecified door hardware functions in commercial construction. Whether you are a contractor roughing in restrooms at a school, a... ADA compliance BHMA grades commercial door hardware door hardware specification privacy latchsets Apr 22, 2026 Our Blog
David Bolton Fire-Rated Access Doors: What Contractors and Facility Managers Need to Know What Is a Fire-Rated Access Door? A fire-rated access door is a listed assembly that provides maintenance personnel or inspectors entry to concealed building systems -- think plumbing valves, electric... code compliance commercial door hardware facility maintenance fire-rated access doors life safety Apr 22, 2026 Our Blog
David Bolton Commercial Lock Functions Explained: Mortise, Cylindrical, Deadbolts, and Outside Exit Trims What Are Lock Functions and Why Do They Matter? A lock function describes exactly how a door behaves from both sides: who can enter, who can exit freely, and under what conditions a key or credential ... classroom security commercial door hardware egress code compliance lock functions mortise locksets Apr 19, 2026 Our Blog
David Bolton Mortise Locks Explained: Problems, Benefits, and the Right Solution for Commercial Doors What This Article Covers -- and Who It Helps This guide explains what a mortise lock is, where it outperforms other lock types, the most common problems contractors and facility managers run into, and... access control commercial door hardware electrified hardware fire door compliance mortise locks Apr 19, 2026 Our Blog
David Bolton Continuous Hinges: Solving High-Traffic Door Problems in Commercial Buildings What Are Continuous Hinges and Who Needs Them? Continuous hinges -- also called piano hinges or full-length hinges -- run the full height of a door, distributing load and stress evenly along the entir... commercial door hardware continuous hinges door hardware specification electrified hinges heavy duty hinges Apr 19, 2026 Our Blog