David Bolton Hinge Shimming in the Field: How to Fix Door Alignment Without Pulling the Hardware When the Door Is Hung but Not Right: A Field Alignment Problem Every Installer Knows This guide is for commercial contractors, school and facility maintenance staff, and anyone responsible for keeping... commercial hardware door alignment field installation hinges hollow metal doors Sep 1, 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 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 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
David Bolton Why the Core Inside a Wood Door Determines Whether It Earns a Fire Rating What This Article Covers -- and Who It Helps If you are specifying wood doors for a fire-rated opening -- in a school corridor, a hospital stairwell, or a commercial tenant separation -- the single mo... NFPA 80 compliance fire door hardware fire-rated wood doors mineral core doors wood door specification Aug 29, 2026 Our Blog
David Bolton What Failing Seals Actually Look Like at Annual Inspection: A Field Diagnosis Guide Why Seal Condition Is a Go/No-Go Decision at Inspection Time This guide is for facility managers, maintenance supervisors, and commercial contractors who conduct or prepare for annual door hardware in... annual inspection door seals fire door compliance gasketing weatherstripping Aug 29, 2026 Our Blog
David Bolton Apartment Corridor Lock Functions: Why the Wrong Mortise Spec Creates a Liability on Move-In Day The Opening Nobody Scrutinizes -- Until a Tenant Gets Locked Out or a Stranger Walks In This article is for contractors, property managers, and architects working on multifamily residential projects -... apartment corridor locks life safety compliance lock function mortise locksets multifamily hardware Aug 29, 2026 Our Blog
David Bolton Square Barrel vs. Round Barrel Hinges: When the Barrel Style Is an Architectural Decision, Not a Catalog Default Why the Barrel Shape on a Full Mortise Hinge Deserves a Line in the Spec Most commercial door hardware schedules call out hinge size, weight, material, and finish — and stop there. The barrel style (s... architectural hardware decorative hardware hardware specification hinges stainless steel hinges Aug 29, 2026 Our Blog
David Bolton Thermal Break Thresholds and Frames: What Energy Compliance Actually Requires at the Door Opening What This Article Covers and Who It Helps If you are a commercial contractor, facility manager, or architect working on an exterior opening that must meet energy code, this guide explains how thermal ... building envelope energy compliance hollow metal frames thresholds weatherstripping Aug 28, 2026 Our Blog