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226 Articles

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NRP Hinges on Outswing Doors: The Security Detail That Gets Skipped at the Hardware Schedule Stage

What This Article Covers This guide is for contractors, facility managers, and architects who specify or install hinges on outswing commercial doors. It explains what a non-removable pin (NRP) hinge i...

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Apr 23, 2026 Our Blog

Steel Flat Bar Astragals on Hollow Metal Door Pairs: When the Opening Tells You Which Profile to Use

Why the Astragal Profile Decision Gets Made at the Wrong Time This article is for contractors, facility managers, and hardware specifiers who are responsible for hollow metal door pairs in commercial,...

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Apr 23, 2026 Our Blog

ADA Wheelchair Ramp Thresholds at Occupied Buildings: How the Offset Spec Gets Chosen in the Field

What This Guide Covers and Who It Helps Selecting an ADA-compliant wheelchair ramp threshold for an already-occupied building is a different problem than specifying one on a new build. The door exists...

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Apr 23, 2026 Our Blog

Vinyl Perimeter Weatherstrip on Commercial Doors: Why the Closer Setting and the Seal Compression Have to Be Solved Together

Why Perimeter Weatherstrip Problems Are Almost Never Just a Weatherstrip Problem This article is for contractors, facility managers, and project superintendents dealing with a door that leaks air, dra...

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Apr 23, 2026 Our Blog

Heavy-Weight Hinges and High-Frequency Doors: Why the Closer Is Not the Only Reason a Hinge Wears Out

The Closer Gets Blamed. The Hinge Is the Problem. This article is for facility managers, commercial contractors, and specifiers who are dealing with doors that sag, bind, or develop excessive play ove...

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Apr 23, 2026 Our Blog

Grade 2 Storeroom Locks in Multi-Tenant and Light Commercial Buildings: When Is Grade 2 Actually Enough?

What This Article Covers — and Who Should Read It This guide is for contractors pricing out light commercial renovations, property managers specifying hardware for multi-tenant buildings, and facility...

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Apr 23, 2026 Our Blog

Ball Bearing Hinges on Doors with Closers: Why the Bearing Type Is Not Optional

The Short Answer: A Closer Changes Everything About the Hinge This article is for contractors, facility managers, and specifiers who are choosing or replacing hinges on commercial doors equipped with ...

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Apr 23, 2026 Our Blog

Switching an SVR Exit Device from a Dogged Opening to a Latching One: What Changes at the Strike, Rod, and Frame

Why This Conversion Happens More Than It Should Surface vertical rod (SVR) exit devices get dogged open on non-rated openings all the time. A school corridor pair, a retail stockroom egress, a warehou...

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Apr 23, 2026 Our Blog

Nylon Brush Astragals on Exterior Door Pairs: Why the Finish and Pile Height Decision Happens at the Opening, Not the Catalog

What This Article Covers and Who It Helps A nylon brush astragal seals the gap at the meeting stile of a door pair. On exterior openings, it blocks drafts, wind-driven rain, dust, insects, and light. ...

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Apr 23, 2026 Our Blog

Manual Flush Bolts on Inactive Door Leaves: The Rod Length Decision That Bites You After the Door Is Hung

Why the Rod Length on a Manual Flush Bolt Is Not a Minor Detail This article helps contractors, facility managers, and hardware specifiers understand how manual lever extension flush bolts work on the...

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Apr 23, 2026 Our Blog

Barn Door Track Systems on Wood Doors: The Scope Decisions That Happen Before You Order the Kit

What This Article Covers — and Who It Helps Barn door track kits look straightforward in a catalog, but the decisions that determine whether an installation goes smoothly — or gets called back — happe...

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Apr 23, 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

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