freezemaster™ Antifreeze Blog
In-depth antifreeze and fire safety advice and insights from the experts behind the freeze protection technology like no other.
Before July 2021, a listed antifreeze approved for use in Ordinary Hazard 1 & 2 sprinkler systems larger than 40 gallons did not exist, even though many of these buildings require a system with significantly more antifreeze. This limitation made it difficult and expensive for antifreeze-based fire sprinkler systems in larger applications to maintain compliance with NFPA requirements.
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