The higher voltage heat tape is installed mainly for extreme cases and for industrial use. Most heat tape is run with 120 volts of electrical power however, there are also cables that use from 240 to 600 volts of power. They are designed to turn on when the temperature falls below 40 degrees Fahrenheit to prevent ice and snow from the building. Lengths run from 30 to 100 feet in length. These heating cables come in various sizes and are available at major hardware stores. Fortunately, this is a job that professional roofers can perform both rapidly and safely. Although installing de-icing cables is a good investment, it is a moderately challenging job because of the requirement to climb a ladder and move about on the roof and eaves troughs. Aside from the zigzag pattern, this de-icing cable should be run in line with the gutters and inside all downspouts to ensure that no ice forms in these components, which in turn facilitates the free flow of water. The cables should be fastened securely to the existing roofing material so they do not slide off due to large amounts of snow in the gutters. Heat tape is a de-icing cable that is fastened in a zigzag or inverted āVā shaped pattern to the edges or valleys of the roof, the areas most prone to the formation of ice dams. This is an effective tool for de-icing roofs, eaves, and gutters in order to facilitate the proper drainage of water and save the structure from any damage that could be caused by winter weather. To prevent the accumulation of heavy snow and ice on the roof, heat tape can be installed. When snow accumulates, water from the melting snow does not drain properly it instead causes water to leak into the building structure. This is caused by snow that melts on the eaves during the day and refreezes at night. During the winter season, ice dams can build up in gutters and roof edges.
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