What Is an Ice Dam? Ice dams can happen on rooftops when the outside temperature drops below freezing as it does in Indianapolis and many other places across the country. They happen because warmth coming from inside the house results in one part of the roof being above 32 degrees Fahrenheit and a different part […]

What Is an Ice Dam, Anyway? When it’s freezing outside, a ridge of ice can form at the edge of the roof. This ice dam keeps water from draining. The water backs up instead. To put that in more detail, you get ice dams when the roof temperature isn’t uniform, that is to say, when […]