Winter roof trouble rarely starts with a dramatic leak. It usually begins quietly, with a neglected gutter that cannot move water away fast enough, then escalates into heavy ice, warped shingles, and ...

Icicles forming on gutters can be a sign of ice dams, a buildup of ice that can cause damage to roofs and gutters. Ice dams form when snow melts on a roof and refreezes at the edge, preventing water ...