The sight of glittering icicles dangling from the edge of your homes roof can be picturesque. But dont let the beauty fool you. Icicles are a sign of ice dams, which are signs of trouble for your roof that can lead to expensive damage to your home.
Ice dams are formed when the roof warms up under a blanket of snow or ice. The warm roof melts the snow and the resulting water runs down toward the roof edge. When it reaches the edge of the roof the snowmelt is again exposed to cold air and can
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