How to Prevent Pipes from Freezing

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Why Pipes Burst

When water freezes, it expands in volume by about 9 percent. And it expands with tremendous force: The pressure inside pipes may go from 40 pounds per square inch to 40,000 psi! No pipe can hold that much pressure, so it breaks open. The break may occur where the ice forms, but more often, it occurs where water pressure finds a weak spot in the pipe. That may be inches or even feet from the frozen area.

Temporary steps to prevent freezing pipes

The first sign of ice forming in pipes is reduced flow at faucets. So if the flow slows to trickle during a cold snap, or if you suspect your pipes are vulnerable, take action. Here are a few things you can do:

Turn up the heat.
Set up fans to blow heat into cold rooms.
Open vanity or cabinet doors so warm air can reach the pipes under sinks.
If you have exposed pipes inside closets or pantries, leave doors open.
Disconnect garden hoses from outdoor faucets. Even “frostproof” faucets can burst if a hose is connected.
Keep the garage door closed.
If you have reduced water flow, heat the most vulnerable pipes (usually in basements and crawl spaces or near exterior walls) with a hair dryer. Leave the faucet on while you apply heat. As you melt ice, the flow will increase.

Let the water run to stop pipes from freezing
How to Prevent Pipes from Freezing

Make freezing less likely

A tiny trickle from faucets protects pipes in two ways. First, it prevents pressure from building up inside pipes. Second, it creates a constant flow of water through pipes and that makes freezing much less likely.

Permanent water pipe freezing protection

Long-term freeze prevention is usually a major project, like insulating a crawl space, replacing standard outdoor faucets with frost-proof models or even rerouting pipes away from cold spots inside the home. Start by calling in a professional plumber to assess your situation and make recommendations. Be sure to check out these 15 unexpected ways to keep a house warm in winter too!

Heat the water pipe
How to Prevent Pipes from Freezing

Electric heat cable

Electric heat cable is good protection during cold spells. A thermostat switches on the heat only when the temperature drops, so heat cable won’t waste electricity when it isn’t needed. But if you need to protect lots of pipes for long periods, heat cable is an expensive solution.

Read more: familyhandyman.com

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