Winter Roof Care 101: Prevent Snow and Ice Damage to Your Home

Northeast Ohio winters can be harsh, and recent lake-effect snowfalls have left many homeowners dealing with the challenges of snow and ice on their roofs. While the sight of a snow-covered roof can be picturesque, it also poses risks to your home if not managed properly. Winter roof care is more important than many homeowners think. Heavy snow accumulation and ice dams can lead to leaks, structural damage, and costly repairs. Here’s how to protect your home—particularly if you have asphalt shingles—this winter.

heavy snow and icicles on a house showing the need for winter roof care.

Understanding the Risks of Snow on Roofs

Heavy snow and freezing temperatures can create a perfect storm for roof problems. Here are the main concerns:

  • Excessive Weight: Snow can add significant weight to your roof, especially wet snow. Over time, this strain can compromise the structural integrity of your home.
  • Ice Dams: Ice dams form when snow melts on the roof and refreezes at the edges, causing water to back up under shingles. This can lead to leaks, water damage, and even mold growth.
  • Icicles: While they may look charming, icicles are often a sign of poor insulation or ventilation and can present a danger to people and property.

The graphic below, courtesy of the National Weather Service, illustrates how ice dams form and the key factors that contribute to their development.
Image source: National Weather Service


Preventing Roof Ice Dams

According to the National Weather Service, ice dams are most common in northern climates after heavy snowfalls. These ice formations occur during cycles of daytime melting and overnight refreezing, which can cause water to seep under shingles and damage your attic, ceilings, and walls. Learn more at the National Weather Service website.

Infographic showing the risks of winter ice dams forming.

Helpful Tips to Avoid Ice Dams On Your Roof:

  1. Clean Gutters and Downspouts Before Winter:
    • Remove leaves, sticks, and other debris to ensure that melting snow can flow freely off your roof.
  2. Keep Snow Loads Light:
    • Use a roof rake to safely remove snow from the ground. This reduces the chances of ice dams forming and minimizes strain on your roof.
  3. Maintain Clear Gutters All Winter:
    • Regularly check that gutters and downspouts are free of snow and icicles to allow proper drainage.
  4. Upgrade Insulation and Ventilation:
    • Good attic insulation (at least R-30, with R-38 ideal in northern climates) prevents heat from escaping your home and warming the roof. Proper ventilation allows cold air to circulate under the roof, reducing the freeze/thaw cycle that causes ice dams. Consult a trusted contractor for upgrades.

Source: National Weather Service, Ice Dam Prevention Guidance


General Snow Management Tips for Your Roof

While ice dams are a major concern, general snow buildup can also cause problems. Here are additional tips to keep your roof in good shape during winter:

  • Inspect Your Roof Before Winter Hits:
    Address loose or missing shingles to prevent leaks from snowmelt.
  • Use the Right Tools for Snow Removal:
    Roof rakes with extendable handles are ideal for safely removing snow. Avoid using metal tools that can damage asphalt shingles.
  • Avoid Walking on the Roof:
    Snow-covered roofs are slippery and dangerous. Walking on shingles can also cause damage, especially during freezing conditions.
  • Monitor for Uneven Snow Accumulation:
    Keep an eye out for snow piling up in valleys or on multiple-pitch roofs, as this can create excess weight or melting issues.

Why It’s Important to Act Quickly

Ice dams and heavy snow buildup don’t just affect your roof—they can lead to water damage inside your home and costly repairs. By staying proactive with roof maintenance, you can protect your investment and avoid winter headaches.

Conclusion

Snow-covered winters in Northeast Ohio are beautiful, but they require careful attention to your roof. Make sure your home is winter-ready by scheduling a free inspection with The Third Estimate! Learn more about our free inspection services here. Taking proactive steps—like cleaning gutters, removing excess snow, and upgrading insulation—can keep your home safe from damage caused by snow and ice. Don’t wait for problems to appear—contact us today to protect your home all winter long.