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226 Articles

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Why the 2-1/2-Inch Offset on an ADA Ramp Threshold Gets Specified Last and Measured First

What This Article Covers This guide is for contractors, facility managers, and architects working with ADA-compliant offset interlocking wheelchair ramp thresholds at commercial door openings. Specifi...

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May 24, 2026 Our Blog

Nylon Brush Astragals on Door Pairs: Why the Seal Fails at the Top Before It Fails at the Bottom

What This Article Covers — and Who It Is For This article is for contractors, facility managers, and architects who are responsible for maintaining or replacing astragal seals on double-door openings....

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May 21, 2026 Our Blog

Recessed Access Panels in Finished Ceilings: The Cam Latch and Flange Decisions That Happen After the Drywall Goes Up

Why This Guide Exists This article is for contractors, facility managers, and project architects who have been burned by a recessed access panel that did not sit flush, required a finish callback, or ...

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May 21, 2026 Our Blog

Choosing the Right Circuit Count on an Electric Hinge Before the Access Control Scope Is Written

Why Circuit Count Is a Decision That Happens Too Late This article is for contractors, facility managers, and architects managing electrified openings where power transfer runs through the hinge. Spec...

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May 21, 2026 Our Blog

Steel Door Window Lite Kits: Why the Glass Spec Gets Finalized After the Door Is Already on Order

What This Article Covers and Who It Helps A steel door window lite kit sounds like a simple add-on order: pick a size, pick a glass type, done. In practice, the glass specification for a door lite is ...

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May 21, 2026 Our Blog

Passage Knob Latches in Commercial Buildings: Why Grade 2 Is the Right Call — Until It Isn't

What This Article Covers This guide helps contractors, facility managers, and architects make the right call on passage knob latches for commercial interior doors. Specifically, it addresses when a Gr...

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May 20, 2026 Our Blog

ADA Wheelchair Ramp Thresholds: Why the 24-Inch Width Is a Starting Point, Not a Final Measurement

What This Article Covers and Who It Helps An ADA-compliant wheelchair ramp threshold is one of the last pieces of hardware ordered and one of the first to cause a punch-list problem. This guide is for...

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May 20, 2026 Our Blog

Door Bottom Shoes on Fire-Rated Openings: Why the Seal Choice Gets Locked In Before the Door Is Hung

What This Article Covers and Who It Helps A door bottom shoe is a metal channel that mounts to the bottom edge of a door and holds a compressible vinyl or neoprene insert. On a standard opening, it is...

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May 19, 2026 Our Blog

Office Entry Knob Locks: Why the Finish You Order First Is the One That Delays Your Closeout

The Finish Decision That Quietly Controls Your Project Schedule This article is for commercial contractors, facility managers, and project coordinators who specify or procure cylindrical locksets for ...

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May 19, 2026 Our Blog

When a Ball Bearing Hinge Fails Before the Door Does: Reading the Warning Signs During Routine Maintenance

Why Ball Bearing Hinges Fail Quietly -- and What That Costs You This article is for facility managers, maintenance technicians, and commercial contractors who are responsible for keeping doors in serv...

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May 19, 2026 Our Blog

ADA Wheelchair Ramp Thresholds on Fire-Rated Openings: How the Height Limit and the Fire Listing Pull in Opposite Directions

Two Standards, One Opening: Why Fire-Rated Doors Make ADA Threshold Selection Harder This article is for contractors, facility managers, and architects who are specifying or installing ADA-compliant w...

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May 18, 2026 Our Blog

Residential Hinge Grade on a Commercial-Style Opening: When the 4x4 Size Is Right but the Duty Rating Is Wrong

Why the Right Size Does Not Always Mean the Right Hinge This article is for contractors, facility managers, and architects who encounter a 4×4 hinge on a project and need to decide quickly whether res...

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May 17, 2026 Our Blog

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