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New Jersey firefighters take toxic PFAS firefighting foam off their shelves

Admin - March 30, 2026

Firefighting foam containing toxic PFAS chemicals have contaminated drinking water across the country for decades. The so-called “forever chemicals” have been linked to serious...

Firefighters rescued after being trapped in Muskegon Heights house fire

Admin - March 30, 2026

Fire burns half an acre near Interstate 80 in west Reno

Admin - March 30, 2026

VIDEO: Reno Fire crews stopped a fire that was burning between Sandyhill Lane and Interstate 80, just east of South McCarran in west Reno....

Bridgeport firefighter Terrence Cramer killed; suspect Jabari Bush arrested after chase in Derby

Admin - March 30, 2026

NFA Fire Flow

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Fire Insurance

How parametric insurance is helping data center projects get off the ground

Fire Insurance

Albany Diocese Reaches $148 Million Agreement With Abuse Survivors Committee

The Roman Catholic Diocese of Albany, New York has agreed to pay $148 million into a...

Fire Insurance

Allstate to hold Q1 2026 earnings call April 30, 2026

Fire Insurance

Odyssey Group unifies Hudson, Newline under single brand identity

Fire Insurance

Iran’s Grip on Hormuz Is Tighter Than Ever After a Month of War

Fire Insurance

Depreciation on ACV is OK, Court Says in Knocking Down Class Action vs. Cincinnati

Fire Alarm

Understanding NFPA 25 2026 Readiness in Tampa Bay and Florida

Assisted...

Fire Alarm

Access Control Modernization for Commercial Properties

Access...

Fire Alarm

A Guide to CCTV Security Systems

Fire Alarm

Fire Safety & Dryer Vent Maintenance

Fire Alarm

Fire Extinguisher Inspection Requirements For Commercial Buildings

Fire Alarm

Why Annual Fire Hydrant Inspection is Essential for Property Safety

Emergency Light

Howe Volunteer Fire Department firefighters arrested after Texas Rangers’ child sex crimes investigation

Emergency Light

Funeral for fallen Chicago firefighter Michael Altman postponed after widow goes into labor

Emergency Light

Raleigh firefighters find active house fire after caller reports blaze is out

Emergency Light

Raleigh firefighters find active house fire after caller reports blaze is out

Emergency Light

A Guide To Portable Fire Extinguishers

Fire Fighting

Clinton fire chief Michael Lutes accused of ethics violations, favoritism toward sons

Fire Fighting

All-female firefighter crew at Smith Valley Fire Department highlights rise of women in fire service

Fire Fighting

Ind. fire museum expansion doubles space for historic apparatus

Fire Fighting

Arizona man builds fire skids for rural homeowners to fight fires before firefighters arrive

Fire Fighting

Photo of the Week: Allentown, Pa. Truck 1

Fire Fighting

San Diego fire response delays linked to 2019 dispatch change, city audit finds

Fire Pump

Understanding Fire Extinguisher Labels – Summit Fire Protection

When you look at a fire extinguisher, there’s a lot going on. With multiple labels, tags,...

Fire Pump

Raising the Standard of Fire Door Surveys in the UK

Fire doors are one of the most critical, and most frequently misunderstood, elements of a building’s fire safety strategy. When they perform correctly, they...

Fire Pump

Holiday Fire Safety Tips for Homes and Businesses

Fire Pump

Understanding Fire Pumps: How They Work and Why Every Building Needs One

Fire Pump

Fire Pump: A Critical Component of Fire Safety Systems

Fire Pump

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Safe Fire Pro — Fire Safety Tools, Guides & News

Fire News

Units Feet Meters Length (L) Width (W) % Involvement Exposures (+25%) Add if adjacent structures at risk NFA Fire Flow (pre-plan estimate)

Unit System US (gpm / psi) Metric (lpm / bar) Solve For K-Factor Flow (Q) Pressure (P) Provide any two values to solve the third K-Factor US: gpm/√psi • Metric: lpm/√bar Flow (Q) Pressure (P)

Units Square feet (ft²) Square meters (m²) Floor Area Hazard Class Light Hazard Ordinary Hazard Extra Hazard

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Units

Length (L)

Width (W)

% Involvement

Exposures (+25%)
Add if adjacent structures at risk

NFA Fire Flow (pre-plan estimate)

Unit System

Solve For

Provide any two values to solve the third

K-Factor
US: gpm/√psi • Metric: lpm/√bar

Flow (Q)

Pressure (P)

Units

Floor Area

Hazard Class