The record-breaking winter storm that recently hammered the East Coast has left homeowners from Buffalo to Rochester facing a familiar and destructive enemy: ice dams. As the heavy snowpack begins its cycle of melting and refreezing, the formation of an ice dam on your eaves is more than just a nuisance, it is a direct threat to your home’s structural integrity.
At Buffalo’s Best Roofing, we specialize in the professional removal of ice dams and providing long-term ice dam prevention strategies. In this guide, we’ll dive deep into what causes an ice dam on a roof, how to avoid ice dams in the future, and why immediate action is critical after a major storm.
What Are Ice Dams?
An ice dam roof is a ridge of ice that forms at the edge of a roof, effectively creating a wall that prevents melting snow from draining off. When this happens, water backs up behind the blockage, eventually seeping under shingles and into your home.
Seeing ice dams on roofs is a clear sign that your home is losing heat where it shouldn’t. While icicles might look pretty, they are the first warning sign that this problem is actively compromising your roof.
What Causes an Ice Dam on a Roof?
To find a lasting ice dam cure, you must understand the science behind these formations. They are rarely a “roof” problem; they are almost always an “attic” problem.
1. The Melt-Refreeze Cycle
Ice dams on roofs form when heat from your home escapes into the attic, warming the roof deck to above 32°F (0°C). This melts the bottom layer of snow. As that water runs down to the eaves (which extend over the outside walls and are therefore colder), it refreezes. This cycle repeats until a massive ridge is formed.
2. Poor Insulation and Air Leaks
If you are wondering what causes ice dams in your specific home, start by looking at your insulation and air sealing. Gaps around chimneys, light fixtures, and attic hatches allow warm air to bypass insulation, heating the roof and fueling the dam.
3. Inadequate Ventilation
Proper ventilation is the “secret sauce” for how to prevent ice dams. A well-vented attic stays cool because it allows cold outside air to flush out any escaping heat. Without this, the “hot roof” remains, and the problem becomes inevitable.
The Devastating Impact of Ice Dam Damage
Ignoring these formations can lead to thousands of dollars in repairs. Ice dam damage isn’t limited to the exterior; it often migrates indoors:
- Interior Leaks: Water trapped by the ridge flows backward, soaking drywall and insulation.
- Mold Growth: Damp attics are breeding grounds for mold, which can affect your family’s health.
- Structural Rot: Constant moisture causes wooden rafters and roof decks to decay.
- Gutter Failure: The immense weight of ice dams on roofs can rip gutters off the house.
Removal of Ice Dams: The Professional Way
When it comes to getting rid of ice dams on roof surfaces, the method matters. Many homeowners try DIY “hacks” that end up doing more harm than good. If you’re researching how to fix ice dams, the safest approach is to call a professional.
Safe vs. Dangerous Removal
- DO NOT use a hammer, shovel, or ice pick. These will shatter your shingles and void your warranty.
- DO NOT use high-pressure power washers. These blast water under the shingles and into your home.
- DO use low-pressure steam. At Buffalo’s Best Roofing, we use professional steaming equipment. Steam safely melts the buildup without the mechanical force that causes shingle damage.
Our removal of ice dams process is designed to be fast and effective, often stopping active leaks within 20 minutes of our arrival. If you’re wondering how to stop ice dams on roof edges or how to eliminate ice dams on roof surfaces quickly, expert steaming is the proven solution for getting rid of ice dams without damage.
How to Prevent Ice Dams: Long-Term Strategies
Once the immediate threat is gone, it’s time to talk about how to avoid ice dams for good. You don’t want to spend every winter worrying about the next storm.
1. Professional Attic Sealing
The most effective way for preventing ice dams on the roof is to seal “thermal bypasses.” This prevents warm air from ever reaching the attic in the first place.
2. High-Quality Insulation
Adding blown-in insulation to reach R-49 or R-60 standards is a major step in how to prevent ice dams. It keeps heat in your living space and saves you money on energy bills.
3. Roof Raking for Ice Prevention
For a short-term solution, using a roof rake to remove the first 3–4 feet of snow from your eaves can help in avoiding ice dams on roof edges. By removing the “fuel” (the snow), you prevent further buildup.
4. Gutters and Downspouts
Clean, well-sloped gutters and clear downspouts can reduce refreezing along the eaves. Heated cables and proper drainage are useful for how to prevent ice dams in gutters during prolonged cold snaps.
Serving All of Western New York
Following the recent East Coast storm, our teams are deployed throughout the region. We are experts in the local climate and know exactly how to handle these conditions in:
| County | Service Areas |
| Erie County | Buffalo, Amherst, Cheektowaga, Clarence, Hamburg, Orchard Park, West Seneca, Williamsville, East Aurora, and more. |
| Monroe County | Rochester and surrounding suburbs. |
| Niagara County | North Tonawanda, Youngstown, Lockport, and Niagara Falls. |
| Genesee & Wyoming | Batavia, Warsaw, and surrounding towns. |
| Ontario County | Clifton Springs and the Finger Lakes region. |
These frozen ridges are a serious threat to Western NY homes, especially after a major winter storm.
- Identify the signs: Look for large icicles and “pillowing” snow on your eaves.
- Act quickly: Professional removal of ice dams using steam is the only way to save your shingles.
- Plan for the future: Focus on how to avoid ice dams by improving your home’s insulation and ventilation.
Don’t Let Ice Dams Win This Winter
Whether you need emergency service or want a free estimate on ice dam prevention upgrades, Buffalo’s Best Roofing is here to help. We are dedicated to helping our neighbors eliminate ice dams safely and permanently.
Would you like me to schedule a free attic insulation and ventilation audit to help you stop ice dams for good?
Visit our Emergency Ice Dam Removal page or call us today at (716) 276-3673. Let’s get your roof back in shape!