Ice dams in Seattle form when warm attics melt snow that refreezes at eaves, forcing water under shingles

https://westusa2.blob.core.windows.net/home-fix-hub/storm-damage-roof-repair-in-king-county-top-5-2026.html

Ice dams in Seattle form when warm attics melt snow that refreezes at eaves, forcing water under shingles. Continuous soffit-to-ridge ventilation, air sealing, and eave ice-and-water shield stop hidden winter leaks.