insert_link Home Improvement Ice Dams: What they are, and How to prevent them from Damaging your Home Ice dams form because the edges of a home’s roof are colder than the upper regions (where more insulation is below), causing ice to form around the eaves. Snow melts above, and the melted snow backs up behind a “dam” of ice, potentially causing leaks and permanent damage to the roof and home — if you’ve ever experienced an ice dam on your roofline, you know what a nightmare it […] todayJanuary 31, 2022