Windows and doors are hard to close and openĬheck to see if the doors and windows inside your house are opening and closing normally. However, the following signs should convince you to clear snow from your roof Bent roofĪ roof that looks like it’s about to cave in is a clear sign that the weight of the snow is exerting excess pressure on your roof. You better leave it to melt on its own or get blown by the wind. Light snowfall and a thin layer of powdery snow on your roof are not a cause for alarm. When should you clean snow off your roof? The wind can blow snow into ventilations where the snow will clump together and form a large ice mass. These include chimneys, gutters, and vents. If snow stays on the roof, it can obstruct critical pathways within your house. Obstruction of vents, ventilations and other conduits When snow accumulates on the roof, some may melt, leak into the house and damage your valuable things. A small blanket of this type of snow may seem harmless to the eyes, but it weighs down on your roof in a real sense. Snow may seem fluffy and light, but when it builds up over time, the weight can overwhelm your roof. Wetness will also cause decay of roofing material and plaster. The moisture finds its way to roof parts such as shingles and causes damage. Ice dams can block the flow of melting snow. As more snow melts and refreezes, a taller ridge of ice forms. Since the roof edges are colder, the snow freezes again and forms a belt of ice. When heat from the house hits the upper parts of the roof, the snow in these parts melts and flows downwards. They form an obstacle that blocks the melting snow from draining into the gutters. Ice dams are sharp rims of ice created at the edge of a roof. It is necessary to remove snow from your roof for these reasons: Roof snow creates ice dams Roof snow can also create ice dams that leak and damage parts of your roof. Better yet, it can weigh so much on the roof and cause a cave-in. When snow settles on your roof and accumulates, it can damage the roofing materials.
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