

Blow cold air into the attic with an attic fan or box fan.Deice the roof by placing ice melt crystals (such as calcium chloride, bundled up in nylon stockings or panty hose) perpendicular to the gutter and hanging over the gutter.Use a roof rake to pull snow off the roof above the eaves.Over the long term, homeowners might need to have a contractor check the insulation of the attic and address any heat loss from the house into the attic.Īccording to, there are three potential remedies homeowners can take if ice dams form:.Use a “roof rake” – a long-handled upside-down scoop – during or after a snowfall to pull snow off the roof above the eaves.Typically installed before the winter season in regions with significant snowfall, these can keep the snow melt from freezing. Use heated cables on the roof above the eaves and along the gutters and downspouts.To reduce the risk of ice dams, here are prevention tips from : Real estate website HouseLogic points out: “The more snow, the larger the heat loss, and the longer the subfreezing temperatures remain, the higher the likelihood that ice dams will materialize.” How Can Homeowners Avoid Ice Dams? The water damage that results from ice dams can be significant to roof, shingles and gutters and to attic insulation, contents and interior walls./Īny significant snow accumulation on the roof can put a home at risk for ice dams. The water drips inside the roof into the attic and down the interior walls of the house. Then, additional snow melt on the warm roof gets caught under the shingles and seeps through the roof.

Through one or more thaw-and-freeze cycles, the ice thickens in the gutter and backs up onto the roof. As the snow on the roof of a house melts, it runs down the roof where it hits the colder roof section above the eaves and freezes. Ice dams form because heat in the attic warms the roof but not the eaves. Ice dams are thick ridges of solid ice that build up along the eaves" according to homeowners website.
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