David Bolton Why Steel Doors Fail in Chemical Exposure Areas — and What FRP Doors Do Differently The Problem With Steel in Corrosive Environments In most commercial buildings, hollow metal doors are the right call. They are durable, fire-ratable, and well-understood by every contractor and facili... Chemical Exposure Commercial Door Specification Corrosion Resistant Hardware FRP Doors Industrial Facilities Oct 3, 2026 Our Blog
David Bolton The Gasket Gap That Kills Your STC Rating: Acoustic Sealing for Sound-Rated Door Assemblies Why the Door Rating Means Nothing Without the Right Gasket This article explains how acoustic door gasketing works, why it controls the real-world Sound Transmission Class (STC) performance of an oper... STC-rated assemblies acoustic gasketing automatic door bottoms door sound seals perimeter seals Oct 3, 2026 Our Blog
David Bolton Three Mortise Lock Functions, One Door Type: How to Pick the Right One for Apartment, Exit, and Public Toilet Openings Same Door, Wrong Function: A Costly Mistake on Multi-Use Buildings This post is for contractors, facility managers, and specifiers who work on buildings where a single door opening could serve more th... Grade 1 security code compliance commercial door hardware lock functions mortise locks Oct 3, 2026 Our Blog
David Bolton The Frame Is Fine, the Door Is Not: How Half Surface Hinges Solve Retrofit Hinge Problems Without Touching the Frame Prep When the Opening Has Already Been Built, but the Hardware Has Not This article is for contractors, maintenance technicians, and facility managers who are replacing doors on existing frames and cannot ... commercial door hardware fire door hardware half surface hinges hinges retrofit hardware Oct 2, 2026 Our Blog
David Bolton No Grasping, No Pinching, No Twisting: How to Specify ADA-Compliant Door Hardware Operability Across Every Opening Type What the No-Grasp Rule Actually Means at the Door Opening This article helps contractors, facility managers, and architects understand the ADA operability requirement for door hardware -- the rule tha... ADA Compliance Accessible Hardware Code and Compliance Door Hardware Operability Lever Hardware Oct 2, 2026 Our Blog
David Bolton 2010 ADA Standards for Doors: What Every Hardware Specifier Needs to Know at the Opening Level Who This Guide Is For and What It Covers If you are specifying or installing commercial door hardware on any project that serves the public, the 2010 ADA Standards for Accessible Design govern how tha... ADA Compliance Accessible Design Code and Compliance Commercial Doors Door Hardware Oct 1, 2026 Our Blog
David Bolton When a Roller Latch or Ball Catch Is Not Enough: Choosing the Right Holding Hardware for the Opening What This Guide Covers and Who It Helps Roller latches and ball catches are among the most common door-holding devices in commercial and institutional buildings. They are inexpensive, easy to install,... ball catch commercial door hardware door holding hardware latch replacement roller latch Oct 1, 2026 Our Blog
David Bolton What Section 087100 Actually Requires: A Practical Guide to Writing Door Hardware Specs That Hold Up Who This Helps and What It Covers If you are an architect, hardware consultant, or commercial contractor trying to write or review a door hardware specification, Section 087100 is where the real decis... CSI MasterFormat DHI Section 087100 door hardware specification writing Sep 30, 2026 Our Blog
David Bolton Waste Receptacle Capacity in High-Traffic Restrooms: Why 17 Gallons Changes the Maintenance Math Why Receptacle Capacity Is a Maintenance Decision, Not Just a Product Spec When specifying a combination automatic paper towel dispenser and waste receptacle for a commercial restroom, most project te... commercial restroom spec facility maintenance paper towel dispensers restroom accessories waste receptacles Sep 30, 2026 Our Blog
David Bolton Key Duplication Restrictions: How to Choose the Right Level of Control for Your Facility What This Article Covers Unauthorized key duplication is one of the most common and underestimated security gaps in commercial facilities. This guide explains how key duplication restriction works, wh... IC cores cylinders facility security key control restricted keyways Sep 29, 2026 Our Blog
David Bolton Corridor Function Locksets in Multi-Tenant Buildings: Choosing the Right Hardware for Shared-Passage Doors What This Article Covers and Who It Helps Corridor function is one of the most commonly specified mortise lock functions in multi-tenant office buildings, mixed-use developments, and institutional fac... commercial door hardware corridor function keying plans mortise locksets multi-tenant buildings Sep 29, 2026 Our Blog
David Bolton Where Does the Card Reader Go? Mounting Position Decisions That Affect Access Control Performance Why Reader Placement Is an Access Control Decision, Not an Afterthought This article covers how to determine the correct mounting position for card readers and credential readers at commercial door op... ADA compliance access control card readers electrified hardware installation planning Sep 28, 2026 Our Blog