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Understanding and Preventing Ice Damming: A Guide by MEJARO Inspection Services

Winter brings picturesque landscapes covered in snow, but it also brings challenges for homeowners, one of which is ice damming. If left unaddressed, ice dams can lead to significant damage to your roof and home. In this blog post, MEJARO Inspection Services aims to shed light on what ice damming is, its causes, and most importantly, how to prevent and mitigate its effects.

What is Ice Damming? Ice damming occurs when snow on a roof melts and then refreezes near the edge of the roof, creating a dam of ice. This dam prevents melting snow from draining off the roof properly, leading to water pooling and potentially causing leaks and structural damage.

Causes of Ice Damming: Several factors contribute to the formation of ice dams, including:

  1. Inadequate Insulation: Poor insulation in the attic allows warm air from the interior to escape into the attic space. This warmth can melt the snow on the roof, contributing to ice dam formation.

  2. Inadequate Ventilation: Proper attic ventilation is crucial in maintaining a consistent roof temperature. Insufficient ventilation can trap heat in the attic, leading to snow melting on the roof and forming ice dams.

  3. Roof Pitch: Low-pitched roofs are more prone to ice damming because they have less space for snow accumulation before reaching the roof edge.

  4. Sun Exposure: Homes with south-facing roofs may experience uneven melting and refreezing due to varying exposure to sunlight.

Preventing Ice Damming:

  1. Proper Insulation: Ensure your attic is well-insulated to prevent warm air from escaping into the attic space and melting the snow on the roof.

  2. Adequate Ventilation: Install proper ventilation to maintain a consistent temperature on the roof, preventing localized melting.

  3. Seal Air Leaks: Identify and seal any gaps or leaks in your home's exterior that may allow warm air to escape.

  4. Snow Removal: Safely remove excess snow from your roof using a roof rake or by hiring professionals. This reduces the potential for ice dam formation.

  5. Gutter Maintenance: Keep gutters clean and free of debris to allow proper drainage. Consider installing gutter guards to prevent clogs.

  6. Ice Dam Prevention Products: Install ice dam prevention products such as heat cables along the roof edges to promote melting and prevent ice dam formation.

Conclusion: Ice damming is a common issue during the winter months, but with proper knowledge and preventative measures, homeowners can protect their roofs and homes from potential damage. Regular inspections by professionals like Mejaro Inspection Services can identify vulnerabilities and provide tailored solutions to keep your home safe and sound throughout the winter season. Don't let ice dams become a headache – take proactive steps to ensure your home is winter-ready. | 888-400-2740


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