Should I turn off water if pipes are frozen? How to keep pipes from freezing during cold

When temperatures dip below freezing during winter, failure to prepare for frigid weather can cause significant damage to homes and not only cause headaches for homeowners but also cost them thousands of dollars in repairs.

Here's how to prepare for your home during cold weather and how to keep your pipes from bursting.

Frozen pipes that burst during the cold snap last winter made people realize how important plumbers are.
Frozen pipes that burst during the cold snap last winter made people realize how important plumbers are.

What to do when water pipes freeze

Here are tips from The Red Cross

  • If you turn on a faucet and only a trickle comes out, suspect a frozen pipe. Likely places for frozen pipes include against exterior walls or where your water service enters your home through the foundation.

  • Keep the faucet open. As you treat the frozen pipe and the frozen area begins to melt, water will begin to flow through the frozen area. Running water through the pipe will help melt ice in the pipe.

  • Apply heat to the section of pipe using an electric heating pad wrapped around the pipe, an electric hair dryer, a portable space heater (kept away from flammable materials), or by wrapping pipes with towels soaked in hot water. Do not use a blowtorch, kerosene or propane heater, charcoal stove, or other open flame device.

  • Apply heat until full water pressure is restored. If you are unable to locate the frozen area, if the frozen area is not accessible, or if you can not thaw the pipe, call a licensed plumber.

  • Check all other faucets in your home to find out if you have additional frozen pipes. If one pipe freezes, others may freeze, too

  • Drain water from the swimming pool and water sprinkler supply lines following the manufacturer's or installer's directions. Do not put antifreeze in these lines unless directed. Antifreeze is environmentally harmful and is dangerous to humans, pets, wildlife and landscaping.

  • Remove, drain and store hoses used outdoors. Close inside valves supplying outdoor hose bibs. Open the outside hose bibs to allow water to drain. Keep the outside valve open so that any water remaining in the pipe can expand without causing the pipe to break.

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How to unthaw pipes

  • If you turn on a faucet and only a trickle comes out, suspect a frozen pipe. Likely places for frozen pipes include against exterior walls or where your water service enters your home through the foundation.

  • Keep the faucet open. As you treat the frozen pipe and the frozen area begins to melt, water will begin to flow through the frozen area. Running water through the pipe will help melt ice in the pipe.

  • Apply heat to the section of pipe using an electric heating pad wrapped around the pipe, an electric hair dryer, a portable space heater (kept away from flammable materials), or by wrapping pipes with towels soaked in hot water. Do not use a blowtorch, kerosene or propane heater, charcoal stove, or other open flame device.

  • Apply heat until full water pressure is restored. If you are unable to locate the frozen area, if the frozen area is not accessible, or if you can not thaw the pipe, call a licensed plumber.

  • Check all other faucets in your home to find out if you have additional frozen pipes. If one pipe freezes, others may freeze, too

How to protect pipes from freeze

Before the onset of cold weather, protect your pipes from freezing by following these recommendations from The Red Cross.

  • Add insulation to attics, basements and crawl spaces. Insulation will maintain higher temperatures in these areas.

  • Check around the home for other areas where water supply lines are located in unheated areas. Look in the garage and under kitchen and bathroom cabinets. Both hot and cold water pipes in these areas should be insulated.

  • Consider installing specific products made to insulate water pipes like a "pipe sleeve" or installing UL-listed "heat tape," "heat cable," or similar materials on exposed water pipes. Newspaper can provide some degree of insulation and protection to exposed pipes — even ¼" of newspaper can provide significant protection in areas that usually do not have frequent or prolonged temperatures below freezing.

  • Consider relocating exposed pipes to provide increased protection from freezing.

This article originally appeared on El Paso Times: Winter weather: what to do when pipes are frozen

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