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What is an ice dam in roofing?
An ice dam is a wall or rim of ice that forms on the edges of a roof. The ice dam prevents water that has melted from draining off the roof. This pooled water can cause the roof to rot or let the water seep in to the house. This leak can cause water damages to the roof itself and the walls, insulation and ceiling of the house.
--- permission must be obtained from author Rae Fakner to re-publish ---
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