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173 Articles

commercial door hardware ×

Mantrap Installations: How to Specify the Right Hardware for a Two-Door Security Vestibule

What This Guide Covers and Who It Is For A mantrap, also called a security vestibule or airlock entry, is a controlled access passage that uses two doors in sequence to prevent tailgating and unauthor...

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Aug 20, 2026 Our Blog

Plain Bearing vs. Ball Bearing Hinges: Why the Wrong Choice Follows You Through the Life of the Door

The Decision Nobody Thinks About Until Something Goes Wrong Plain bearing and ball bearing hinges look nearly identical in a catalog photo. They arrive in the same ANSI sizes, carry the same knuckle c...

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Aug 20, 2026 Our Blog

Soffit-Mounted Closer Installation: When the Frame Geometry Forces a Different Approach

What This Guide Covers and Who It Is For Soffit-mounted closer installation comes up when a standard top-jamb or parallel-arm configuration simply will not work with the frame geometry in front of you...

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Aug 19, 2026 Our Blog

Transom Frame Construction: What the Opening Schedule Has to Get Right Before the Frame Ships

What This Article Covers and Who It Helps Transom frames appear on opening schedules for schools, hospitals, office buildings, and industrial facilities whenever glazed panels, borrowed lights, or fix...

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Aug 18, 2026 Our Blog

Closer Body Crack vs. Valve Failure: How to Tell the Difference Before You Order a Replacement

Why Getting This Diagnosis Right Saves You a Second Trip This article helps contractors, facility managers, and maintenance technicians figure out whether a failing door closer needs a simple valve ad...

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Aug 17, 2026 Our Blog

304L vs. 316 Stainless Steel Hinges: Choosing the Right Grade Before the Building Envelope Matters

Why Stainless Steel Grade Is a Spec Decision, Not a Finish Decision This article helps contractors, facility managers, and architects understand when Type 304L stainless steel hinges are adequate for ...

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Aug 17, 2026 Our Blog

Exit Only on Stair Tower Doors: Getting the Hardware Package Right the First Time

What This Article Covers and Who It Helps Stair tower doors are among the most frequently misspecified openings in commercial construction. They sit at the intersection of egress requirements, re-entr...

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Aug 16, 2026 Our Blog

Concealed Overhead Closers vs. Surface-Mounted Closers: Choosing the Right Fit Before the Door Goes In

What This Article Covers If you are scheduling closers for a new build or retrofit and the spec simply says "door closer," you are already behind the decision curve. Concealed overhead closers and sur...

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Aug 16, 2026 Our Blog

When the Hinge Pin Is the Security Risk: Plain Bearing Hinges on Outswing Doors and the NRP Decision

The Problem Nobody Notices Until After the Break-In On most commercial doors, the hinge is an afterthought. You specify the lock, the closer, the exit device, and the hinge just fills the remaining li...

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Aug 16, 2026 Our Blog

Cylindrical or Mortise Lockset: The Decision Criteria That Actually Drive the Right Choice

Why This Choice Matters Before the Door Gets Prepped Specifiers, commercial contractors, and facility managers face this question on nearly every project: cylindrical lockset or mortise? The answer is...

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Aug 15, 2026 Our Blog

Astragal Selection for Non-Rated Door Pairs: Getting the Meeting Edge Right Without Fire-Door Rules in the Way

What This Article Covers and Who It Helps Non-rated door pairs -- double doors without a center mullion -- share a common problem: the gap at the meeting edge lets in light, air, sound, and foot traff...

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Aug 14, 2026 Our Blog

Floor Closers on Double-Acting Doors: What Changes When the Door Swings Both Ways

The Problem With Putting a Standard Closer on a Double-Acting Door This article explains how door closers work differently on double-acting openings, which closer types are appropriate, and what speci...

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Aug 13, 2026 Our Blog

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