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Ice Dam Prevention and Removal

Ice damming is a common cause for insurance claims in the Northeast. Learn how to prevent ice dams from causing damage to your home.

ice dam prevention

While seeing your home decorated with long, sparkling icicles hanging down from the roof might look pretty enough to paint, ice dams can cause a great deal of damage to the interior and exterior of your house. The key to ice dam prevention is staying on top of regular home maintenance before and during the winter.

What Are Ice Dams?

Created by melting snow running down from the roof, ice dams form at the cold eaves of the house and jut down like frozen stalactites. This barrier of ice prevents melting snow from getting the proper drainage that it needs, causing water to back up and leak through the shingles, down into the home.

(Photo: James Provost / CC BY-NC-ND 2.0

What Causes Ice Dams?

According to EnergyStar, ice dams needs three things to form:

  • Snow.
  • Heat from a building.
  • Cold air to refreeze the melted snow into solid ice.

“In New England, ice dams tend to form in more northern exposed parts of the roof because of the limited sun that they get,” said Raymond Eng, vice president of insurance sales for AAA Northeast.

As water continues to melt and refreeze, it can cause the dam to get bigger and bigger. “What happens over time is that the forming ice tends to clog any gutters and subsequent melting and freezing cycles will start to form these huge icicles hanging off of the roof’s edges,” Eng said.

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Ice Dam Damage

National data collected between 2013 and 2017 from the Insurance Information Institute lists water damage and freezing among the most common homeowners insurance claims.

For some homeowners, the weight of ice dams can eventually rip off gutters or lead to broken shingles. But it’s the resulting water damage that can be the most devastating. Water damage caused by ice dams can be extensive and expensive, affecting ceilings, walls and insulation, and can eventually lead to issues with mold.

Water stains on the ceiling or walls are often the first sign of damage caused by ice damming.

Ice Dam Prevention

To avoid the potential risks, knowing how to prevent ice dams is imperative. If you start to notice an issue with ice dams forming on your home, there are some precautions you can take.

Add Insulation

Adequate attic insulation is one way to winterize your home, which keeps the heat inside your house from escaping into your attic and prevents snow from melting too fast. Proper attic venting also helps to maintain a cooler temperature on your roof.

Clean the Gutters

To lessen the chance of ice building up around gutters, you should try to clean out leaves and debris before the first snow.

winterize everything

How to Get Rid of Ice Dams

To decrease the chance of ice damming, “the only thing you can do is to get rid of the ice as quickly and as safely as possible,” Eng said.

Immediately after a storm, use a roof rake to clear as much snow off as you can, even if it’s just around the gutter line. Do not climb onto the root to do this. If you need a more thorough cleaning, considering hiring a contractor to do the job for you.

Longer-term solutions include replacing your roof and gutters, especially if they appear worn out. According to the National Association of Home Builders, a qualified roofer should inspect your roof every three years for leaks, cracks and other faults.

Don’t let ice dams ruin your home or your winter season. Making sure your home is prepared for the wild winter weather will save you money and a great deal of stress in the long run.

Is your home insurance ready for the winter season? Find out.

Have you ever experienced any trouble from ice damming? Tell us about it in the comments.

Learn more about AAA homeowners insurance, get a quote or speak with an agent today.

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