What is a Fire Riser Room? IFC and NFPA Requirements
July 23, 2019
QRFS explains why buildings need these fire sprinkler control centers, where they must be placed, and how fire riser rooms must be maintained.
March 10, 2026
Most FDCs use standard NH/NST threads—but some don’t! QRFS explains the different fire hose and FDC threads and sizes used in various jurisdictions.
October 22, 2025
Long dry sprinkler barrels can cause a practical reduction in K-factor. But learn why there’s usually still only one sprinkler K-factor number for all barrel lengths.
October 8, 2025
Hardware stores don’t sell fire sprinklers, cover plates, or escutcheons. Learn why there are no Lowe’s or Home Depot fire sprinklers and where to buy these parts.