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4 Articles

e × architectural hardware ×

No Knuckles, No Gaps: How Concealed Hinges Work on Flush Wood Doors

What This Article Covers Concealed hinges -- sometimes called invisible hinges or European-style hinges -- are fully mortised into both the door edge and the frame so that no knuckle, barrel, or pin i...

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Aug 11, 2026 Our Blog

Sourcing Door Hardware for Historic Restoration: Period Accuracy, Modern Code, and What to Specify

What This Guide Covers and Who It Helps Historic restoration projects sit at a difficult intersection: the owner wants hardware that looks like it belongs to the building's original era, the architect...

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Jul 20, 2026 Our Blog

Door Pull Finish Selection on a Multi-Door Project: Why the Hardware Schedule Gets Locked In Before the Lead Time Is Checked

What This Article Covers This guide is for contractors, facility managers, and project architects managing commercial openings across schools, healthcare facilities, retail buildouts, and institutiona...

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Jun 9, 2026 Our Blog

The 3-Knuckle Concealed Bearing Hinge: When Streamlined Appearance and Commercial-Grade Performance Have to Coexist

What This Guide Covers When a door schedule calls out a 3-knuckle concealed bearing hinge, two questions usually follow: Does the reduced knuckle count change anything structurally? And why does a spe...

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Apr 23, 2026 Our Blog