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      • ABC Dry Chemical
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      • Uprights
      • Pendents
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      • Horizontal Sidewalls
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      • Residential
      • Senju Fire Sprinklers
      • Tyco Fire Sprinklers
      • Victaulic Fire Sprinklers
      • Viking Fire Sprinklers
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      • Pre-Assembled Risers
      • Sprinkler Extensions
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      • Double Jacket Hose
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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
      • Riser Clamps
      • Swivel Rings
    • Paint Markers
    • Sealants and Greases
      • Coupling Grease
      • CPVC Glue
      • Cutting Oil
      • Sealant and Seal Tape
      • Sealant Brush
    • Seismic Bracing
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      • Hole Saw Blades
      • Pilot Clamps
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Fire Sprinkler Regulatory

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
Missing fire sprinkler escutcheons

#424 – Missing Fire Sprinkler Escutcheons: The Real Impacts on Performance

June 7, 2023April 12, 2023

When and why do you have to replace missing fire sprinkler escutcheons? QRFS explains the rules and reasons, examining the potential impacts on spray patterns and activation.

Tags Fire Sprinkler Escutcheons, fire sprinkler systems, missing fire sprinkler escutcheons Leave a comment
Electrically operated fire sprinklers

#419 – What Are Electrically Operated Fire Sprinklers?

February 16, 2023February 1, 2023

Electrically operated fire sprinklers are the latest technology for protecting high-challenge environments. Learn how they work and must be maintained.

Tags electrical fire sprinklers, electrically operated fire sprinklers, electrically operated sprinklers Leave a comment
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
Residential fire sprinklers garages and exceptions

#400 – Residential Fire Sprinkler Protection: Codes, Garages & Other Exceptions

December 27, 2022December 21, 2021

Learn about the roadblocks to widespread residential fire sprinklers and why some areas of homes are exempt from sprinkler coverage in installation standards

Leave a comment
QR vs SR Viking sprinklers

#390 – The Difference Between Standard, Residential & Quick Response Sprinklers

August 19, 2022August 3, 2021

Learn what’s unique about standard and quick response sprinklers, along with how residential sprinklers differ from both—even though many people confuse the terms.

1 Comment
Extended coverage sprinkler spacing obstructions

#387 – Extended Coverage Sprinkler Spacing Part 2: Obstructions

December 27, 2022June 22, 2021

In part 2 of our series on fire sprinkler spacing for extended coverage sprinklers, QRFS looks at the rules for avoiding obstructions.

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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