GF Building Flow Solutions Americas (formerly Uponor North America) is a division of Schaffhausen, Switzerland-based GF, a leading global provider of sustainable and innovative solutions that enable water to flow to and through buildings. The division was created after the 2023 acquisition of Uponor and provides safe solutions for hot- and cold-water supply and control, noise-reducing wastewater systems, and energy-efficient heating and cooling. The polymer piping systems, branded Uponor PEX, are the industry standard for quality, reliability, and durability that professionals have trusted for long-lasting service and performance.