June 4, 2025
Density/area curves were a major feature of NFPA 13’s fire sprinkler hydraulic calculations—until the 2022 and 2025 editions. Here’s why they were removed and what replaced them.
April 9, 2025
Fire protection standards evolve every three years, and NFPA 13 2025 has some big changes. Learn about updates on protecting buildings with sloped and high ceilings.
January 29, 2025
Some residential sprinkler systems require lead-free fire sprinklers and other parts. Learn more about the laws that restrict lead in drinking water and when they apply to fire sprinklers.
July 31, 2024
NFPA 13 and 25 require hydraulic design information signs on fire sprinkler systems. Here’s a review of why, the rules, and a sample sign.
June 4, 2025
Density/area curves were a major feature of NFPA 13’s fire sprinkler hydraulic calculations—until the 2022 and 2025 editions. Here’s why they were removed and what replaced them.
April 9, 2025
Fire protection standards evolve every three years, and NFPA 13 2025 has some big changes. Learn about updates on protecting buildings with sloped and high ceilings.
January 29, 2025
Some residential sprinkler systems require lead-free fire sprinklers and other parts. Learn more about the laws that restrict lead in drinking water and when they apply to fire sprinklers.
July 31, 2024
NFPA 13 and 25 require hydraulic design information signs on fire sprinkler systems. Here’s a review of why, the rules, and a sample sign.
February 28, 2024
The terms fire protection and life safety overlap but are distinct. Learn about this close relationship and the differences.
January 3, 2024
Carbon monoxide can kill, and CO detectors save lives. Learn where carbon monoxide detectors and alarms are required and when and how to test them.
December 6, 2023
UL standards help ensure safe and reliable fire protection equipment. Learn about the process and documents, focusing on UL 199 and fire sprinklers.
June 7, 2023
Avoiding fire sprinkler obstructions is essential—but when do smaller objects like smoke detectors block sprinklers? QRFS explains the rules.
