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How To Prevent Frozen Pipes

Source: American Red Cross

Why Pipe Freezing is a Problem

Water has a unique property in that it expands as it freezes. This expansion puts tremendous pressure on whatever is containing it, including metal or plastic pipes. No matter the strength of a container, expanding water can cause pipes to break.

Pipes that freeze most frequently are:

  • Pipes that are exposed to severe cold, like outdoor hose bibs, swimming pool supply lines, and water sprinkler lines.
  • Water supply pipes in unheated interior areas like basements and crawl spaces, attics, garages, or kitchen cabinets.
  • Pipes that run against exterior walls that have little or no insulation.

How to Protect Pipes From Freezing

Before the onset of cold weather, protect your pipes from freezing by following these recommendations:

Drain water from swimming pool and water sprinkler supply lines following 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.

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...

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