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Caution: Ice Dams

An ice dam is a ridge of ice that can build up and form at the edge of your roof. When snow builds up on your roof, the snow underneath will start to melt from the heat your house is creating. This meltwater will then run down to the eaves, and because eaves tend to be the coldest point on the roof, it freezes. Once this happens, meltwater will continue to run down the roof, and the ice will continue to grow due to the initial ice that froze in the eave of the roof. As the meltwater continues to drip with nowhere to go, a water backup will occur.