September 22, 2020
To support vertical runs of pipe, riser clamps transfer the load to the building structure. QRFS explains how and where to install these devices.
September 15, 2020
Pipe thread sealant creates a water-tight seal in threaded pipe joints. Learn how to use pipe thread sealant and whether PTFE is the same as Teflon.
August 11, 2020
Mechanical tees make adding branch lines to fire sprinkler systems easy. Learn how mechanical tees work and how to install them.
August 4, 2020
Grooved drain caps make it simple to flush water from fire protection systems thoroughly, and also serve as transitional fittings. Learn more.
March 24, 2020
Learn why grooved pipe fittings mean faster installations—and couplings, tees & more sprinkler pipe fittings make installs easier.
March 3, 2020
Protecting HVAC, electrical, and piping systems from earthquakes saves money and lives. Learn the basics of seismic protection for these systems.
August 19, 2019
Often called CPVC glue, CPVC solvent cement joins pipes and fittings at a molecular level. QRFS covers everything installers need to know about the time required for CPVC glue to initially dry (set) and permanently cure when used with CPVC brands like BlazeMaster®, FlameGuard®, and ThermaFit Industries.
August 13, 2019
Top beam clamps used to hang pipes in fire sprinkler and standpipe systems perform well in buildings with steel beams and other metal supports. Learn how they work, where they’re used, and what fire code requires.
July 30, 2019
Learn about grooved couplings in pipe systems: how they compare to flanged or welded joints while reducing the labor required for installation & maintenance.
July 10, 2019
QRFS finishes its examination of common fire sprinkler system pipe materials by taking a hard look at copper and CPVC, two of the most popular options.
July 9, 2019
QRFS examines the advantages and disadvantages of steel pipe, one of the most popular fire sprinkler system pipe materials for commercial applications.
July 4, 2019
Learn how CPVC builds on the benefits of PVC to offer reliable fire protection and easier installation in sprinkler systems.
July 3, 2019
Most paint markers claim to be permanent, but with uses that vary from touching up tires to decorating rocks, what’s hype and what’s reality? QRFS explores trending and established uses for paint markers to help consumers choose between specialty and all-purpose models.
June 18, 2019
Pilot clamps are sometimes out of stock, but the Tru-Drill II is a reliable alternative for drilling perfect holes in pipe—with its own unique features.
June 4, 2019
Many marking tools don’t perform well on non-porous surfaces like metal—and the marks they leave aren’t suited to rough handling, heat, weather, and other extreme conditions. QRFS explains how oil-based paint markers for metal can make life easier for those working in construction, metalwork, and other industries.
May 20, 2019
Learn about pipe joint lubricant: what it does, when it’s used, safety issues, and how lubricants vary across leading brands such as Phoenix 27 XL, Phoenix 27 A, and ProSelect.
