How to Prevent and Deal with Ice Dams: Expert Tips for Homeowners

Winter in the Midwest often comes with its own set of unique challenges, and ice dams are one of the most common issues for homeowners. These thick ridges of ice that form along the edges of your roof can cause serious damage if not managed properly. Thankfully, there are
strategies to prevent and address them effectively.

What Causes Ice Dams?
Ice dams occur when heat from your home escapes into the attic, warming the roof and causing snow to melt. This melted snow then refreezes at the colder eaves, forming a dam that blocks additional melting snow from draining off the roof. The trapped water can seep under shingles,
leading to leaks and potential structural damage.

Preventing Ice Dams with Proper Insulation
One of the best ways to prevent ice dams is by ensuring your attic is properly insulated. Insufficient insulation can allow warm air to escape, creating the ideal conditions for ice dam formation. By upgrading your insulation, you can help maintain a consistent roof temperature and avoid costly roof repairs.

Attic Air Sealing and Ventilation
Proper ventilation is another key factor. Air sealing the attic and installing appropriate vents can
help regulate temperature, reducing the risk of ice dams. A balanced attic ventilation system
allows cold air to flow through and minimizes the heat buildup that leads to melting snow.

What to Do If You Have an Ice Dam
If you notice an ice dam forming, act quickly to prevent water damage. Using a roof rake to remove snow can help, but avoid chiseling or using heat directly on the ice, as this can damage your roof. In severe cases, professional removal may be necessary.

By understanding the causes of ice dams and taking preventive measures, you can protect your home from winter weather damage. For more information on dealing with ice dams, visit the University of Minnesota Extension website.