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February 02, 2004
Avoid Ice And Water Damage To Your Home

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Jim Rink (313) 336-1513


As if slippery sidewalks and snow-covered cars aren’t bad enough during the winter, you face another potential headache: ruined carpets and water damage to your ceilings and walls from leaks caused by ice dams or bursting water pipes.

You can avoid the resulting aggravation and expense by taking several basic steps recommended by the Institute for Business & Home Safety.

An ice dam is an accumulation of ice at the lower edge of a sloped roof, usually at the gutter. When interior heat melts the snow on the roof, the water will run down and refreeze at the roof’s edge where temperatures are much cooler. Eventually, the ice builds up and blocks water from draining off the roof. This, in turn, forces the water under the roof covering and into your attic or down the inside walls of your house.

Once an ice dam forms, the potential damage can be serious. Take these steps now to avoid trouble later:

  • Keep the attic well-ventilated. The colder the attic, the less melting and refreezing on the roof.
     
  • Keep the attic floor well-insulated to minimize the amount of heat rising through the attic from inside the house.

This two-step approach decreases the likelihood that ice dams will form or, at least, reduces their size. As an extra precaution against roof leaks in case ice dams do form, install a water-repellent membrane under your roof covering. Talk with your local building official about minimum code requirements for ice dam protection.

Frozen water in pipes can cause water pressure buildup between the ice blockage and the closed faucet at the end of the pipe, which leads to pipes bursting at their weakest point. Pipes in attics, crawl spaces and outside walls are particularly vulnerable to freezing because holes in your house’s outside wall for television, cable or telephone lines allow cold air to reach them.

To keep water in pipes from freezing, take the following steps:

  • Fit exposed pipes with insulation sleeves or wrapping to slow the heat transfer. The more insulation the better.
     
  • Seal cracks and holes in outside walls and foundations near water pipes with caulking.
     
  • Keep cabinet doors open during cold spells to allow warm air to circulate around pipes, particularly in the kitchen and bathroom.
     
  • Keep a slow trickle of water flowing through faucets connected to pipes that run through an unheated or unprotected space in your house. Or drain the water system, especially if your house will be unattended during cold periods.


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