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    • Heads
      • Uprights
      • Pendents
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      • Horizontal Sidewalls
      • Concealed Sidewalls
      • Residential
      • Senju Fire Sprinklers
      • Tyco Fire Sprinklers
      • Victaulic Fire Sprinklers
      • Viking Fire Sprinklers
    • Cover Plates
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      • Domed
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      • Pre-Assembled Risers
      • Sprinkler Extensions
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    • Egress and Exit Signs
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      • Decals and Stickers
      • Wrap Around Pipe Markers
    • Sign Chain
  • Pipe
    • Black Iron Fittings
      • Bushings
      • Nipples
      • Square Head Plugs
    • CPVC Fittings
      • Adapters and Reducers
      • Bushings
      • Caps
      • Couplings
      • Elbows
      • Tees
    • Gaskets and Flanges
    • Grooved Fittings
      • Adapters and Reducers
      • Caps
      • Couplings
      • Elbows
      • Mechanical Tees
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      • Beam Clamps
      • Fasteners and Drivers
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      • Swivel Rings
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      • Cutting Oil
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Fire Safety Codes and Regulations

What is fire sprinkler k-factor?

#428 – What is a Fire Sprinkler K-Factor? And Which K-Factor Do I Have & Need?

June 21, 2023

Fire sprinkler K-factor is crucial for system performance and protection. Learn what it is, why it’s essential, and how to find the right sprinkler.

Tags fire sprinkler k-factor 1 Comment
Fire sprinkler obstructions

#427 – Fire Sprinkler Obstructions: The Rules for Nonstructural Objects

June 21, 2023June 7, 2023

Avoiding fire sprinkler obstructions is essential—but when do smaller objects like smoke detectors block sprinklers? QRFS explains the rules.

Tags fire sprinkler obstructions Leave a comment
Fire sprinkler head replacement

#417 – Fire Sprinkler Head Replacement: Changes to NFPA 25 Rules

June 7, 2023January 11, 2023

The rules for fire sprinkler head replacement when you find paint, loading, or corrosion have gotten looser over the years. Learn when new sprinklers are necessary.

2 Comments
NFPA logo

#415 – A Guide to Key NFPA 25 Changes in the 2023 Edition

May 7, 2023December 7, 2022

Learn about some of the biggest NFPA 25 changes in the 2023 edition, including rules on antifreeze fire sprinklers, foam fire suppression systems, testing intervals, and more.

1 Comment
Old fire sprinkler

#414 – Fire Sprinkler Testing Procedures & Replacement in NFPA 25

May 18, 2023November 23, 2022

Fire sprinkler testing happens decades after installation for most but not all sprinklers. Learn the NFPA 25 testing & replacement rules and what labs assess.

Tags fire sprinkler testing, NFPA 25 Leave a comment

#407 – Fire Sprinkler Flow Switch & Tamper Switch Inspection & Maintenance

April 28, 2022April 27, 2022

Learn the essential inspection, testing, and maintenance tasks for fire sprinkler flow switches and tamper switches.

Leave a comment

#395 – Fire and Building Codes for Senior Housing and Other Facilities

December 27, 2022October 12, 2021

Learn about the fire code requirements for residential board and care occupancies, including senior housing and other facilities.

14 Comments
Dirty fire sprinkler

#391 – How to Tell if Your Fire Sprinklers Need Cleaning or Replacement

August 17, 2021

Dirty fire sprinklers are a common code compliance problem. Learn how and when to clean fire sprinklers to stay safe and pass inspection.

Leave a comment
Fire protection and server room aisle containment

#381 — Aisle Containment May Compromise Server Room Fire Protection Systems

December 27, 2022March 30, 2021

Server rooms need strong cooling and fire protection systems. QRFS examines aisle containment systems and how they can impede fire protection.

2 Comments
Sprinkler illustration

#380 — Sprinkler Head Spacing: Extended Coverage Fire Sprinklers, Part 1

March 16, 2021

Learn the basics for the maximum and minimum distances for extended coverage fire sprinklers according to NFPA 13.

Leave a comment
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