By using a roof rake, we need to remove the snow of height 3 to 4 feet from the edge of the roof. We need to be very careful about the roof covering areas like emergency exits, walking paths, etc.
Then, we need to use a calcium chloride ice melter to melt the ice. Don't use sodium chloride melter because it can cause serious roof damages.
After that, we fill that part with calcium chloride ice melt with a nylon stocking.
Then, we place the calcium chloride melter, which is filled with a nylon stocking, vertically across an ice dam to melt a channel through the ice.
We need to protect the shrubbery or plants near the gutters or downspouts because the place where the melted water will drop can cause damage because the calcium chloride water is very harmful to shrubbery or plants.
Use hot water: Running hot water over the ice dam, gently, will melt it and allow the water to drain out through the gutters filled with ice.
Install heat cable: You can have heat cables installed on the roof in the summertime which will then be there come cold weather to melt the ice dam for you.
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