Door Systems News

Fire protection engineering

Fire protection engineering

Fire protection engineering is the application of science and engineering principles to protect people, property, and their environments from the harmful and destructive effects of fire and smoke.
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smoke curtains burn test

DSI Smoke Curtains Innovative Features

Our gravity fail-safe DSI Smoke and Fire Protective Curtains have innovative features and the highest technical specifications available yet offer cost-effective and flexible solutions to fire and smoke control. Our curtains systems are…
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History of the Twitter Building

History of the Twitter Building

How the internet reshaped Market Street’s Art Deco monolith The Twitter building, once known as the Western Furniture Exchange and Merchandise Mart, got its start as a Depression-era furniture showcase This is a story about adaptive reuse,…
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The most polarizing buildings in San Francisco

The most polarizing buildings in San Francisco

Love ’em or loathe ’em, these structures won’t be ignored Thom Mayne’s jarring yet alluring Federal Building, an 18-story structure with a curtain of perforated steel punctuated by a large square cut-out framing a privately owned…
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Top Causes of Commercial Building Fires

Top Causes of Commercial Building Fires

Commercial fires are almost certain to make headlines. While structures, alarms, safety equipment and response times are far superior to those of just decades ago, commercial fires are still happen. What are the likely causes of these fires…
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Union Bank Plaza undergoes $20 million renovation

Union Bank Plaza undergoes $20 million renovation

The first phase in the historic preservation-minded rehabbing of Union Bank Plaza (UBP) in Downtown Los Angeles has wrapped up. Completed in 1967, the 40-story office tower, designed by Harrison & Abramovitz and Albert C. Martin &…
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