Accumulating snow can create ice dams, block vents
Published 12/28/2010, The Jamestown Sun
Accumulating snow on roofs in the Jamestown area can cause ice dams and other problems, local officials warn. An ice dam forms when snow melts and runs down the surface of the roof, said Lance Brower, Stutsman County NDSU Extension agent. As the melted snow hits cooler parts of the roof, near the eaves, it refreezes. This process continues and eventually creates a dam of ice.Word count: 546
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