Door & security insights

Straightforward guidance on doors, locks, and building security — written for two audiences: homeowners and businesses, and institutional facilities teams.

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Homeowners & Businesses

Buzzer Not Working? How Intercom Repair Actually Gets Diagnosed in NYC Buildings

A dead buzzer is a diagnosis problem before it's a repair problem. Here's how a tech isolates the fault — panel, riser, or apartment station — and how to think about repair versus replacement.

Maglock vs. Electric Strike: Which Door Release Belongs on Your NYC Building?

Maglocks and electric strikes both release a door electronically, but they behave completely differently in a fire, a blackout, and an NYC inspection. Here's how to pick the right one for your door.

Upgrading to a Video Intercom in a Brooklyn Multifamily Building: A Straight-Answer Guide

What actually changes when a Brooklyn walk-up or elevator building swaps its old buzzer for a video intercom — wiring realities, board approval, and how the project runs from survey to sign-off.