A roof can start leaking after a snowfall for several reasons, and it’s crucial to identify and address the underlying issues promptly. Here are common reasons why a roof may leak after snow:
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Ice Dams: One of the most common causes is the formation of ice dams. When snow on the roof melts due to heat escaping from the interior, the water can refreeze at the roof’s edge, creating a dam. This dam prevents proper drainage, and the trapped water can seep under the roofing materials, causing leaks.
Poor Insulation: Inadequate insulation in the attic can lead to temperature imbalances on the roof. When warm air rises from the living space and reaches the roof, it can melt the snow, leading to water infiltration. Proper insulation helps maintain a consistent temperature and prevents premature melting.
Clogged Gutters: Snow and ice can accumulate in gutters, causing blockages. Clogged gutters prevent proper water drainage, leading to water backing up under the roof and causing leaks.
Roof Damage: Existing damage to the roof, such as missing shingles, cracked flashing, or deteriorated roofing materials, can allow water to penetrate during snowmelt. Regular roof inspections are essential to identify and address any damage promptly.
Flashing Issues: Damaged or improperly installed flashing around chimneys, vents, and other roof penetrations can be a source of leaks. Flashing is designed to direct water away from vulnerable areas, and any issues with it can lead to water infiltration.
Snow Accumulation: Excessive snow accumulation, especially in regions with heavy snowfall, can exceed the roof’s load-bearing capacity. This can lead to structural damage, including roof leaks.
If you’re experiencing a roof leak after snowfall, it’s advisable to consult Apex East Roofing roofing professionals to assess the situation. They can identify the specific cause of the leak and recommend appropriate repairs. Additionally, taking preventive measures, such as proper insulation, regular roof maintenance, and prompt snow removal, can help mitigate the risk of leaks in the future.
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