Fire extinguisher numbers and letters

What Does the Number on a Fire Extinguisher Mean?

Using the wrong extinguisher can make a fire significantly worse. QRFS explains what the numbers on a fire extinguisher mean—as well as the letters—and what they indicate about its suitability against certain types of fires. To read and understand extinguisher labels like a pro, read on.

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Grenfell Tower Fire Aftermath

Grenfell Tower, Two Years After the Fire

QRFS looks at the latest updates on Grenfell Tower, explaining what’s known about the fire’s causes and fallout before turning to the question of whether fires like this could happen in the United States.

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A classroom

Life Safety Codes and School Shooting Prevention

QRFS looks at how today’s life safety codes tackle the issue of school shooting prevention, explaining why many building codes prohibit the use of barriers, how fire alarms can be protected against malicious use, and how new codes streamline emergency responses to an active shooter situation.

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Water mist fire protection systems

What are Water Mist Fire Sprinkler Systems?

Powered by small water droplets, water mist fire suppression systems may outperform conventional fire sprinkler systems and their usual alternatives. QRFS looks at how water mist systems work, their types, usage, and maintenance in accordance with NFPA 750.

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Overhead view of neighborhood

How Walkable Streets are Changing Fire Code and Safety

Advocates of walkable street design sometimes meet resistance from firefighters and other emergency services, who depend on wider, faster streets for quick response. QRFS looks at how urban design and firefighting are evolving to meet the challenges of first response and pedestrian safety.

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