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9 Articles

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Spring Hinge Tension Adjustment After Installation: The Step That Gets Skipped on Small Doors

Why the Factory Tension Setting Is Never the Final Answer Spring hinges ship with a default tension setting intended for a mid-range door weight and size. For the installer or facility technician rece...

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May 14, 2026 Our Blog

Spring Hinges Without a Closer: Where the Self-Closing Requirement Meets a Real-World Size Limit

What This Article Covers Spring hinges are specified on fire-rated and non-rated doors when a self-closing function is required but a hydraulic door closer is not practical or budgeted. This guide is ...

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May 11, 2026 Our Blog

Heavy-Weight vs. Standard-Weight Hinges: The Specification Decision That Gets Made Too Late on Commercial Projects

Why Hinge Weight Class Is a Specification Decision, Not a Purchasing Detail This guide is for commercial contractors, facility managers, and architects who need to understand when a heavy-weight conce...

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Apr 23, 2026 Our Blog

Fire-Rated Automatic Door Bottoms: How to Specify and Install Them Right

Why the Gap at the Bottom of a Fire Door Matters More Than You Think The space beneath a fire door is one of the most overlooked details in door assembly compliance. Too much clearance and you fail an...

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Apr 22, 2026 Our Blog

Aluminum Astragals for Door Pairs: How to Choose and Install the Right Meeting Stile Seal

Why the Gap Between Double Doors Matters More Than You Think When two door leaves meet at the center of an opening, that joint is called the meeting stile . Without a proper seal at the meeting stile,...

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Apr 22, 2026 Our Blog

Specifying Ball Bearing Hinges for Commercial Doors: Size, Finish, and Fire-Rating Essentials

Why Ball Bearing Hinge Specification Matters More Than Most Specifiers Realize Choosing a hinge sounds straightforward until a door starts sagging six months after opening day, a fire inspector flags ...

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Apr 22, 2026 Our Blog

Security Door Window Lites on Wood Doors: A Specifier's Guide to Glass Selection, Code Fit, and Installation Reality

What Is a Security Door Window Lite — and Why Does the Glazing Material Matter? A security door window lite (also called a vision lite, door glass insert, or door lite frame) is a framed glazing unit ...

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Apr 22, 2026 Our Blog

Fire-Rated and Acoustic Automatic Door Bottoms: A Specifier's Guide to Getting the Assembly Right

What This Guide Covers Automatic door bottoms that carry both a fire rating and an acoustic (sound attenuation) rating occupy a narrow but critical position in commercial hardware scheduling. Specifyi...

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Apr 22, 2026 Our Blog

Astragals for Double Doors: Problems, Benefits, and the Right Solution

What Is an Astragal -- and Why Does It Matter? An astragal is the hardware component that seals the gap between the two leaves of a pair of doors -- the meeting stile . Without one, that center gap be...

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Apr 19, 2026 Our Blog