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freezemaster™ Antifreeze Blog

In-depth antifreeze and fire safety advice and insights from the experts behind the freeze protection technology like no other.

Lainey Liotta

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Codes, Standards & Approvals  |  FAQs

Freeze Protection Plus: Four Factors for Choosing the Right Listed Antifreeze for Fire Sprinkler Systems

Most antifreeze sprinkler systems now incorporate listed antifreeze, as it has proven to keep those critical systems safely functioning at optimal levels.

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FAQs  |  Installation

Testing UL-Listed Antifreeze

It’s nearly winter again, and prepping for the cold typically includes testing antifreeze in wet fire sprinkler systems. The typical process for inspecting wet fire sprinkler systems involves:

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Codes, Standards & Approvals

HIGH-VOLUME SPRINKLER SYSTEMS AND LISTED ANTIFREEZE

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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Codes, Standards & Approvals  |  FAQs  |  Installation Guide  |  Listings and Innovations  |  fire sprinkler systems

Updated listing for higher Ordinary Hazard 1 & 2 Volumes

Size matters!

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