What Are Ice Dams And How To Prevent Them

Ice dams are very common things in the regions where the winter is heavy – the icicles at the edge of the roof form when the warm air rises from the interior of the building and it meets the snow that has gathered on the roof. The warm air melts the snow that runs down on the side of the roof, then it cools down and freezes again by the time it reaches the edge of the roof, resulting in the long ice bars and ridges called ice dams.

Ice dams are very common, but they are still dangerous, so they need to be prevented. Here are some methods:

• Adding insulation under the roof – the best way to prevent ice build-ups is by preventing the contact between the warm air rising from inside the building and the snow that has gathered on the roof with the help of insulation. The process will decrease the amount of energy needed to heat your building and it will keep the roof cool, thus preventing the melting process;
• Adding roof ventilation – having proper, efficient roof vents is also great for reducing the temperature of the roof and efficient for preventing ice dams on the edge of your roof.

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