freezemaster™ Antifreeze Blog
In-depth antifreeze and fire safety advice and insights from the experts behind the freeze protection technology like no other.
Codes | Corrosion | FAQs | Standards & Approvals
Piping materials for fire sprinkler systems vary based on budget, location, when the system was designed, contractor preference and more. Although more common in dry pipe fire sprinkler systems, there are many existing and new wet systems made with galvanized pipe. For these, there is only one UL-listed antifreeze approved for use with galvanized piping: freezemaster™ antifreeze.
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Are you testing your UL-listed antifreeze with the wrong equipment?
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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 | FAQs | Installation
It’s been 10 years since NFPA guidelines specified that site-mixed, unlisted antifreeze was no longer an approved option for wet systems. Because a listed alternative wasn’t yet widely available, new systems were almost exclusively designed as a dry system.
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FAQs | Installation | Temperature | fire sprinkler systems
Because the primary purpose of antifreeze is to protect sprinkler systems from cold, contractors tend to only consider the minimum use temperature when selecting a listed antifreeze.
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Codes, Standards & Approvals | FAQs
NFPA standards require all antifreeze fire sprinkler systems to switch to a listed antifreeze by September 30, 2022. These standards help ensure that an antifreeze system performs reliably in a fire and saves more lives, rather than contributing to fire as unlisted fluids can.
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Codes, Standards & Approvals | FAQs | Installation
When installing listed antifreeze, the manufacturer’s installation guide is the final word. But talking with installers who have already started switching their clients to a listed product has revealed three installation tips that you won’t find in the official installation guide.
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Codes, Standards & Approvals | FAQs | Installation Guide | Listings and Innovations | fire sprinkler systems
Size matters!
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Codes, Standards & Approvals | FAQs
Planning for freezing temperatures during the sweltering summer might not be the first thing on anyone’s to-do list in the fire sector. But in the case of sprinkler system freeze protection, 2021 is the year it should be. Advance planning, insights from the field and a broad perspective on where winterizing is needed will be useful to prepare for safe, effective freeze protection in sprinklered applications this winter and next.
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