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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. 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.

  4. Trace heating - Wikipedia

    en.wikipedia.org/wiki/Trace_heating

    Placement of heat trace cable on roofs or in gutters to melt ice during winter months. When used in gutters the cable is not meant to keep the gutters free of ice or snow, but only to provide a free path for the melted water to get off the roof and down the downspout or drain piping.

  5. Underground heating cables melt snow from your driveway - AOL

    www.aol.com/news/underground-heating-cables-melt...

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  6. How Cities Are Using Nature-Based Solutions to Tackle Floods

    www.aol.com/news/cities-using-nature-based...

    The park is tilted to ensure water can slowly trickle down to a 480,000-gallon retention pond at the bottom, providing extra storage space to absorb heavy rains.

  7. 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.

  8. Snow - Wikipedia

    en.wikipedia.org/wiki/Snow

    Ice dams on roofs form when accumulated snow on a sloping roof melts and flows down the roof, under the insulating blanket of snow, until it reaches below freezing temperature air, typically at the eaves. When the meltwater reaches the freezing air, ice accumulates, forming a dam, and snow that melts later cannot drain properly through the dam ...

  9. 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 ...

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