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As winter approaches, it’s crucial to prepare your roofs to withstand the challenges posed by colder temperatures and inclement weather. One common issue that arises during winter is the formation of ice dams, which can lead to serious damage if not addressed promptly. That’s why this month, your local NH roofers at exclusive Service Group are here to explore effective tips to prevent ice dams and keep your roof winter-ready. 

Understanding Ice Dams

Before diving into prevention strategies, it’s essential to understand what ice dams are and how they form. Ice dams occur when snow on the roof melts, and then refreezes at the edges, forming a barrier that prevents proper drainage. This can lead to water seeping into the home, causing damage to ceilings, walls, and insulation.

Proper Insulation

One of the key factors in preventing ice dams is ensuring your attic is adequately insulated. A well-insulated attic helps maintain a consistent temperature on the roof surface, minimizing the risk of snow melting and refreezing. Check your attic insulation to ensure it meets recommended standards for your region, and consider adding more insulation if needed.

Strategic Ventilation

Proper ventilation plays a crucial role in preventing ice dams. Adequate ventilation helps regulate the temperature of the attic and roof, preventing warm spots that contribute to snowmelt. Ensure that your attic has sufficient vents to allow air circulation, promoting a cooler environment. Ridge vents, soffit vents, and gable vents are effective ventilation options that can help maintain a balanced temperature.

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Sealing Air Leaks

Inspect your attic for any potential air leaks that could contribute to uneven heating. Seal gaps, cracks, and openings to prevent warm air from escaping into the attic space. By maintaining a consistent temperature, you reduce the likelihood of snow melting and refreezing at the roof’s edge.

Snow Removal

While it’s essential to leave some snow on the roof for insulation, excessive accumulation can contribute to ice dam formation. Safely remove excess snow using a roof rake, taking care not to damage shingles in the process. Focus on clearing the lower three to four feet of the roof to prevent ice dams from forming.

Heated Roof Cables

Consider installing heated roof cables in areas prone to ice dams. These cables help melt snow and ice, creating channels for water to drain safely. However, it’s crucial to use these cables judiciously and according to the manufacturer’s guidelines to avoid unnecessary energy consumption.


Exclusive Service Group | NH Roofers

For more information on our services, we encourage you to check out our website or reach out to our NH roofers to schedule an appointment today. 

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