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freezemaster™ Antifreeze Blog

In-depth antifreeze and fire safety advice and insights from the experts behind the antifreeze with the lowest temperature assurance of any listed product, helping protect people and property when sprinkler systems activate in a fire.

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Corrosion

UL 2901 and Fire Sprinkler System Antifreeze Corrosion Issues

UL 2901 was established in December 2013, outlining certification requirements for antifreeze solutions for wet pipe fire sprinkler systems. To meet the UL 2901 requirements, antifreeze products must prove corrosion resistance (important for metal-based fire sprinkler systems), fire performance (i.e., flammability), hydraulic characteristics, human health and environmental impact, and meet marking and installation specifications.

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