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How to prevent ice dams from damaging your home during the cold winter months
During the winter season in areas that experience freezing temperatures, a ridge of ice may form on the edge of a roof. This is known as an ice dam and it can allow water to back up behind it and leak into a home or building resulting in property damage and potential mold growth.
According to the U.S. Government’s Energy Star Program website, “Ice dams usually occur after a heavy snowfall and several days of freezing temperatures. Warm air inside your home leaks into the attic and will warm the underside of the roof causing snow and ice on the roof to melt. The melted water will drain along the roof, under the snow, until it reaches the cold overhang. The overhang tends to be at the same temperature as the outdoors and the melted water will refreeze and form an ice dam and icicles. The ice dam can cause damage to the roof, which will result in water leaks to the inside. Frequently the result will be a water spot on the ceiling under the roof damage.”
Fortunately, ice dams can be prevented by controlling heat loss from the building into the attic. Keep warm and moist air from entering the attic space from the interior of the building by sealing any air leakage pathways and being sure the attic is properly insulated. Vented appliances should be exhausted to outside of the building and not into the attic. Proper attic ventilation can also help to keep a uniform roof temperature. Before the first snowfall, clean and remove any obstructions in gutters to make sure any water can properly drain off the roof. There are also heated cables that can be placed on the roof’s edge that are designed to prevent ice from forming. When snow does arrive, safely removing it from a roof can help prevent the formation of ice dams.
If an ice dam does cause water to leak into a building, it can cause staining, water damage and allow for the growth of mold. Even mold growing above ceilings and in wall cavities can impact the indoor air quality of a building. Exposure to elevated levels of mold can cause respiratory issues such as allergies and hypersensitivity pneumonitis (HP), trigger asthma in some people, and some types of mold can even cause infections in people with a weakened immune system.
These are just a few things to know about how to prevent ice dams, water damage and mold. To learn more about this, please contact the professionals at Jimmy Garza Emergency Water Removal - today.
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