12/7/2023 0 Comments Roof ice dam removal![]() ![]() This causes the water to “back up” behind the ice dam and remain on the warmer part of the roof. ![]() As that liquid reaches the part of the roof that is freezing, the frozen water creates an ice dam, which grows with the liquid from the melting snow. These temperatures must be sustained for a significant period.Īs the temperature rises above the roof, the snow begins to melt into liquid. Ice dam formation occurs when there is a significant amount of snow on your rooftop and the outside temperature of the roof is above 32º Fahrenheit, or freezing temperature, while the temperature under the roof is below freezing temperature. Things that lead to ice dam formation include the amount of heat loss from the roof of your house, the temperature outside and the amount of snow cover on your roof. This is why you see large accumulation and icicles on your roof during winter. This formation will keep any new snow from draining. As the liquid travels down, the freezing temperature causes it to freeze and create a buildup of ice close to and on top of the gutters. During winter, heat produced by the building can cause snow to melt and trickle down the roof. Ice dams often form on buildings with inclined roofs. This is directly in relation to the sun shining on the roof at its peak heating times and length of time it shines on the roof. In general the ice forms on the homes in this order: south side → west side → east side → north side. ![]() This is why removing the snow early is very important. By the time the dam is detected it is a massive problem. Usually in these cases the home or building has valleys where accumulation occurs very slowly. Sometimes the most perfectly insulated home still gets ice dams because of this (Mother Nature). Ice dams can be formed because of the heat of the day and the rays of the sun. They are a major threat to buildings and are often misunderstood. If you are from Minnesota, you might be aware of ice dams. ![]()
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