Ice Dam

Ice Dams: The Best Offense is a Good Defense

Ice dams are a ridge of ice that forms at the edge of a roof and prevents melting snow from draining off the roof. They are formed when indoor heating rises through the ceiling into the attic and warms the roof surface. Snow on the heated part of the roof melts and flows down until it meets the part of the roof that is below 32 degrees. At that point, the water freezes into an ice dam.

Water backs up behind the dam and, as it sits on the roof, works its way under the roof covering and flows into the attic. From there it can seep through insulation, ceilings, walls and other areas where it can cause further damage.

Keeping a consistent attic temperature can help prevent ice dams. Insulation and ventilation are key components of maintaining the proper conditions in the attic and on the roof deck. Weatherguard can help ensure that your ice dam problem is solved forever. By using properly installed ventilation products and a roof system that includes water and ice barrier components, you’ll live worry free under a beautiful, properly installed roof.

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