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How Freezing and Thawing Affect Fire Sprinkler Systems

In the event of a fire, a fire sprinkler system is one of the first defenses against extensive damage to your property, as well as against possible injury to yourself or others. However, cold weather can decrease the ability of a fire sprinkler system to work effectively in an emergency. As a result, it is important to understand how constant freezing and thawing can cause issues for your fire sprinkler system, and what to do to ensure that your system is working properly if a fire does break out. What Happens When Fire Sprinkler Systems Freeze and Thaw We have all heard about pipes snapping or bursting when the weather is freezing cold; in the fire protection industry, these are called freeze breaks. How exactly does this happen? Wet fire sprinkler systems must be connected to a water source to work properly. As a result, there is always water located within the sprinkler system, whether it has been recently used or not. When temperatures plummet to sub-freezing levels, the water contained within the sprinkler system begins to freeze and turn to ice.  When water turns to ice it expands and breaks the sprinkler pipe causing a freeze break. Similarly, condensation […]

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