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  2. Ice dam (roof) - Wikipedia

    en.wikipedia.org/wiki/Ice_dam_(roof)

    An ice dam is an ice build-up on the eaves of sloped roofs of heated buildings that results from melting snow under a snow pack reaching the eave and freezing there. Freezing at the eave impedes the drainage of meltwater, which adds to the ice dam and causes backup of the meltwater, which may cause water leakage into the roof and consequent ...

  3. Snow removal - Wikipedia

    en.wikipedia.org/wiki/Snow_removal

    Some individual buildings may melt snow and ice with electric heating elements buried in the pavement, or even on a roof to prevent ice dams on the shingles, or to keep massive chunks of snow and dangerous icicles from collapsing on anyone below. Small areas of pavement can be kept ice-free by circulating heated liquids in embedded piping systems.

  4. Snowmelt system - Wikipedia

    en.wikipedia.org/wiki/Snowmelt_system

    A heated sidewalk in Holland, Michigan Installation of a geothermal snowmelt system on a street in Reykjavík, Iceland.. A snowmelt system prevents the build-up of snow and ice on cycleways, walkways, patios and roadways, or more economically, only a portion of the area such as a pair of 2-foot (0.61 m)-wide tire tracks on a driveway or a 3-foot (0.91 m) center portion of a sidewalk, etc.

  5. When should you remove snow and icicles from your roof? - AOL

    www.aol.com/weather/remove-snow-icicles-roof...

    Swiss police officer shovels snow on a roof top of a hotel, the day before the opening of the 42nd Annual Meeting of the World Economic Forum, WEF, in Davos, Switzerland, Tuesday, Jan. 24, 2012 .

  6. Rare winter storm that smacked much of the South turns ... - AOL

    www.aol.com/first-rare-winter-storm-exits...

    The roof of the Civic Center in Mobile, Alabama, a building that was in the process of being demolished, collapsed under the weight of the snow Wednesday morning, the city said in a Facebook post.

  7. Why salt melts ice — and how to use it on your sidewalk - AOL

    www.aol.com/news/chemists-told-us-why-salt...

    Salt grains, used for melting ice and snow, seen on an icy sidewalk. (Getty Images) (Dima Berlin via Getty Images) Ice has a semi-liquid surface layer; When you mix salt onto that layer, it slowly ...