Ice Dams in Northern Virginia: Causes, Damage and Prevention
Summary: Ice dams in Northern Virginia form when attic heat melts roof snow, and meltwater refreezes at the cold eaves. The resulting ridges force water under shingles, damaging insulation, decking, ceilings, and gutters. Sealing air leaks, improving insulation and ventilation, clearing gutters, and adding ice and water shield prevent most problems before winter arrives. Northern
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