Ice Dams on Minnesota Roofs: Causes, Damage, and When to Call a Roofer

August 10, 2026 · Roof Repair

That ridge of ice on your eave is not a roofing defect. It is a warm-attic problem showing up on the coldest part of the roof. Here is how ice dams form on Twin Cities homes, the damage they hide, and when the fix is your attic versus a new roof.