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  • Fire Sprinklers
    • Cover Plates
      • Cover Plate Finder
      • Flat
      • Domed
      • Viking Cover Plates
      • Tyco Cover Plates
      • Reliable Cover Plates
      • Victaulic Cover Plates
      • Senju Cover Plates
      • Cleanroom
    • Escutcheons
      • Escutcheon Finder
      • Recessed
      • Adjustable (401)
      • Split Ring (Retrofit)
      • One Piece
      • Institutional
      • Viking Escutcheons
      • Tyco Escutcheons
      • Reliable Escutcheons
      • Victaulic Escutcheons
      • Senju Escutcheons
      • Vaulted Ceiling
      • Extension Tubes
    • Sprinkler Heads
      • Sprinkler Finder
      • Uprights
      • Pendents
      • Concealed Pendents
      • Horizontal Sidewalls
      • Concealed Sidewalls
      • Residential
      • Standard Response (SR)
      • Quick Response (QR)
      • ESFR, EC, & Other
      • Institutional
      • Viking Fire Sprinklers
      • Tyco Fire Sprinklers
      • Victaulic Fire Sprinklers
      • Reliable Fire Sprinklers
      • Senju Fire Sprinklers
    • Head Wrenches
      • Standard
      • Concealed
      • Recessed
      • Cabinet/Plastic
      • Hybrid and Other
    • Sprinkler Accessories
      • Sprinkler Extensions
      • Installation Tools
      • Trim Rings
      • Spare Head Cabinets
    • Guards and Shields
      • Paint Covers
      • Standard Head Guards
      • Heavy Duty Head Guards
      • Water Shields and Baffles
    • Shut off Tools
      • Shutgun
    • System Components
      • Sprinkler Gauges
      • Flexible Drops
      • Drywall Access Doors
      • Pre-Assembled Risers
      • Cleaning Tools
      • Breakable Locks
  • Pipe
    • CPVC Fittings
      • Caps
      • Couplings
      • Adapters and Reducers
      • Elbows
      • Tees
      • Bushings
      • Pipe
      • Crosses
      • Cement
    • Grooved Fittings
      • Couplings
      • Adapters and Reducers
      • Caps
      • Mechanical Tees
      • Tees
      • Elbows
      • Crosses
      • Coupling Grease
    • Black Iron Fittings
      • Bushings
      • Nipples
      • Square Head Plugs
    • Wall Plates
      • Plastic
      • Metal
      • Galvanized
      • Rod Buttons
    • Installation & Cutting
      • Pilot Clamps
      • Hole Saw Blades
      • Sealants and Greases
      • Boltbreakers
      • Tru Drill
      • Paint Markers
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      • Riser Clamps
      • CPVC Hangers
      • Fasteners and Drivers
      • Beam Clamps
      • Swivel Rings
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      • Aluminum Signs
      • Decals and Stickers
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    • Hydrostatic Test Pumps
    • Smoke Detector Testing
      • Smoke Detector Test Kits
      • Smoke Aerosols and Cartridges
      • Smoke Dispensers
      • Sensitivity Testers
      • Scorpion (Mounted)
    • CO Detector Testing
      • CO Detector Test Kits
      • CO Aerosols and Cartridges
      • CO Dispensers
    • Alarm Testing
      • Battery Testing
      • Duct Detector Testing
      • Sound & Voice Testing
    • Other Detector Testing
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      • Heat Detector Testers
      • Universal Detector Test Kits
      • Detector Testing Equipment & Accessories
      • Removal and Cleaning
      • Batteries and Chargers
      • Access Poles
    • Gauges
    • Flow Testing
      • Flow Test Kits
      • Pitot Gauge Kits
      • Flow Testing Parts
    • Alarm Bells
      • 24V
      • 120V
      • Alarm Bell Accessories
    • Electronic Supervision
      • Flow Switches
      • Pressure Switches
      • Supervisory Switches
  • FDCs
    • Exposed Bodies
      • Angled
      • Straight
    • Concealed Bodies
      • Angled
      • Straight
    • Caps and Plugs
      • Breakable Caps
      • Plug and Chains
    • Snoots and Swivels
    • Identification Plates
      • Round ID Plates
      • Square ID Plates
      • Auto Spkr ID Plates
      • Standpipe ID Plates
      • Combination ID Plates
    • Residential
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    • Butterfly Valves
      • Grooved Butterfly Valves
      • Threaded Butterfly Valves
      • Wafer Butterfly Valves
    • OS&Y Valves
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      • Powerball Valves
      • Gate Valves
    • Shotgun Riser Check Valves
    • Other Check Valves
      • Brass Check Valves
      • In-Line Check Valves
      • Swing Check Valves
    • Angle Valves
    • Testing & Maintenance
      • Pressure Relief Valves
      • Bleeder Valves
      • Three Way Valves
      • Ball Valves
      • Globe Valves
      • Ball Drip Valves
      • Auxiliary Drain Valves
      • Test and Drain Valves
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      • Valve Wheel Wrenches
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Codes & Standards

#168 – Guide to Dry Sprinkler Systems, Part 4: Installation of Air Compressors and Air Maintenance Devices

February 2, 2025April 17, 2019 by Jason Hugo
Air compressor

A dependable and properly maintained supply of pressurized air is key to the reliable operation of dry sprinkler systems. QRFS helps you understand NFPA requirements for installing air compressors and air maintenance devices.

Categories Codes & Standards 17 Comments

#164 – NFPA 101 Fire Alarm Systems, Part 2: The Requirements By Occupancy Classification

February 2, 2025April 9, 2019 by Jason Hugo
Fire alarm in a mall

The National Fire Protection Association has unique fire alarm requirements for each occupancy type. QRFS details NFPA code for fire alarm initiation, occupant notification, and monitoring of educational, detention and correctional, assembly, mercantile, business, storage, and industrial facilities.

Categories Codes & Standards 26 Comments

#161 – NFPA 101 Fire Alarm Systems, Part 1: Understanding Initiation, Occupant Notification, and Monitoring

February 2, 2025April 2, 2019 by Jason Hugo
Fire alarm pull station

Learn all the different ways a fire alarm can activate, notify occupants, and get the attention of emergency forces. In the first installment of this three-part series, QRFS explains the different methods for accomplishing each of these fire alarm system objectives.

Categories Codes & Standards 18 Comments

#156 – Advanced Fire Protection for a Complex Industrial Facility

February 2, 2025March 19, 2019 by Jason Hugo
Industrial facility

Increasingly complex industrial facilities need advanced fire protection and life safety systems. QRFS reviews NFPA and ICC requirements for an industrial occupancy.

Categories Codes & Standards 2 Comments

#155 – Guide to Dry Sprinkler Systems, Part 3: Installation of Components

August 9, 2025March 14, 2019 by Jason Hugo
Installing sprinkler pipe

The additional components required in dry fire sprinkler systems compared to wet systems can make installation more challenging. QRFS helps you understand NFPA 13 requirements for installing dry pipe and check valves, as well as quick-opening and antiflooding devices.

Categories Codes & Standards Leave a comment

#151 – Why and When the US Retrofits Sprinklers in Existing Buildings

February 2, 2025February 28, 2019 by Jason Hugo
Fire in a high-rise building

A look at the evolution and impact of fire safety code that has caused most new commercial buildings to have fire sprinklers – and how revised code and local governments are now driving sprinkler retrofits in existing buildings.

Categories Codes & Standards 2 Comments

#149 – Significant Changes to the 2019 Edition of NFPA 13, Part 2

February 2, 2025February 21, 2019 by Jason Hugo
Sprinkler on a set of schematics

NFPA 13: Standard for the Installation of Sprinkler Systems has guided insurers, installers, and designers for more than a century. QRFS looks at the National Fire Protection Association’s 2019 changes, exploring technical revisions impacting ESFR storage sprinklers, system components, and sprinkler system design.

Categories Codes & Standards 2 Comments

#148 – Fire Codes for Business: The Business Occupancy

July 8, 2025February 19, 2019 by Jason Hugo
Business stairway

Follow the right fire codes for business that govern fire sprinklers, fire alarms, fire extinguishers, and safe food service operations if your organization is classified as a business occupancy.

Categories Codes & Standards 14 Comments

#147 – Significant Changes to the 2019 Edition of NFPA 13, Part 1

February 2, 2025February 14, 2019 by Jason Hugo
A sprinkler contractor installing a fire sprinkler

NFPA 13 has guided sprinkler installers and designers for more than a century. QRFS looks at NFPA 13 2019 changes, including an organizational overhaul and technical revisions impacting residential sprinklers in NFPA 13 systems.

Categories Codes & Standards 4 Comments

#144 – Restaurant Fire Safety Regulations & Systems: The NFPA Basics

February 2, 2025January 31, 2019 by Jason Hugo
NFPA restaurant fire protection and fire safety regulations

Understanding fire safety regulations and the fire protection system requirements for your restaurant can ensure the longevity of your business and protect employees, patrons, and property.

Categories Codes & Standards 13 Comments

#143 – A Guide to Dry Sprinkler Systems, Part 1: System Overview

February 2, 2025January 29, 2019 by Jason Hugo
A dry sprinkler head

Wet sprinkler systems may dominate the fire safety market, but there’s a better solution for certain environments prone to freezing: dry sprinkler systems. QRFS explains how dry systems work, providing the coverage you need without the fear of burst pipes.

Categories Codes & Standards Leave a comment
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