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Our Blog

5 lbs vs. 8.5 lbs: How ADA Opening Force Limits Actually Work on Interior vs. Exterior Doors

What This Article Covers and Who It Helps If you are specifying closers for a school corridor, a healthcare entry, or a retail storefront, the ADA opening force requirement is one of the first complia...

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Aug 15, 2026

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

Aluminum Storefront Door Hardware: What Actually Goes on That Opening and Why Each Piece Matters

What This Guide Covers and Who It Is For Aluminum storefront doors are the most common commercial entrance type in retail, office, and mixed-use buildings -- and they account for a significant share o...

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Aug 15, 2026

Anti-Ligature Hardware for Behavioral Health Units: What the Opening Schedule Has to Get Right

What This Article Covers and Who It Helps Behavioral health construction presents a category of door hardware problems that standard commercial catalogs were never designed to solve. If you are a heal...

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Aug 15, 2026

Hold-Back Function on a Mortise Lock: What Actually Happens at the Door When You Activate It

What Is the Hold-Back Function on a Mortise Lock? A mortise lock with a hold-back function does one specific thing: it lets the occupant retract the latch bolt and keep it retracted without holding th...

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Aug 15, 2026

Occupied or Vacant? How Privacy Function Indicators Work (And Where ADA Complicates the Spec)

What This Article Covers and Who It Helps This guide explains how privacy function indicators -- sometimes called occupancy indicators or status indicators -- work on commercial locksets, which applic...

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Aug 14, 2026

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

Why a Friction Hold-Open Arm Has No Place on a Fire Corridor Door (And What to Use Instead)

The Problem Shows Up at Inspection, Not at Installation This article is for facility managers, commercial hardware contractors, and project architects managing corridor door openings in schools, healt...

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Aug 14, 2026

What CSI MasterFormat Section 087100 Actually Controls (And Where Hardware Specs Break Down)

What This Article Covers and Who It Helps If you are writing, reviewing, or bidding a project with a door hardware specification, the section number on the cover sheet is almost certainly 087100 — Doo...

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Aug 14, 2026

Half Surface Swing Clear Hinges on Hollow Metal Doors: When You Cannot Mortise the Door

The Problem No One Talks About Until the Door Is Already Hung This article is for contractors, facility managers, and architects who face a specific field condition: a hollow metal door that needs swi...

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Aug 14, 2026

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

Why Cold Storage Doors Lose the Seal at the Bottom First (And How to Fix It)

The Bottom Gap Is Where Cold Storage Energy Goes to Waste This article is for facility managers, maintenance technicians, and commercial contractors working on walk-in coolers, freezer rooms, food pro...

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Aug 13, 2026

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