Ice dam
A ridge of ice that forms at the roof edge and blocks melting snow from draining. Water backs up under shingles and can cause leaks. Proper insulation, ventilation, or heat cables help prevent ice dams.
A ridge of ice that forms at the roof edge and blocks melting snow from draining. Water backs up under shingles and can cause leaks. Proper insulation, ventilation, or heat cables help prevent ice dams.