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What can be done to protect against frozen pipes?

Frozen pipes are common occurrence during extreme cold and high wind weather up north. Pipes that have frozen in the past are obvious candidates for special attention. Insulation is an obvious benefit, but won't by itself prevent pipes from freezing if they are too exposed to the elements.

It's also important to keep a heat source close by. In the case of bathroom pipes enclosed in vanities or cabinets, leave the doors open during frigid weather so the heat from the room can penetrate the enclosures. Professional contractors sell pipe wrappings imbedded with electrical coils to provide an outside source of heat. This is okay, but if you forget to plug in the device with the approach of a cold front, or if there's an electrical power interruption - as often occurs during severe weather - the product won't work.

If a pipe does freeze, try defrosting it with an electrical hair dryer. For safety, be sure the dryer is grounded and never hold the pipe while operating an electrical appliance. To prevent the pipe from bursting, turn off the water supply to that line. Be careful, however. If you use a boiler for heating, it must have continual water supply to operate. Don't turn off the main household supply, just the valve leading to the frozen line. If you're unsure how to do this call a plumbing contractor.

Also remember that running water does not freeze very readily. During severe cold weather you may want to keep a stream of water trickling out of faucets or spouts attached to vulnerable pipes. This wastes water, but may be preferable to a burst pipe. Persons who go south for the winter or leave on extended vacations ought to contact a reputable service company to have their home winterized. This will ensure their plumbing remains secure during their absence.

If a pipe does burst, there's not much you can do except mop up the area and get the pipe repaired.