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Fire & Water - Cleanup & Restoration

What is Ice Damming?

1/9/2019 (Permalink)

Illustration of ice damming

What Is Ice Damming?

Weather is often the most obvious culprit behind a host of problems including building or structural damage, injuries, mold growth, water damage or flood.

An ice dam is a common occurrence in winter in areas where snow is in plenty such as the Hereford Zone. Basically, an ice dam refers to build-up of ice on sloped roofs’ edges of heated buildings. The build up occurs when melting snow beneath a snow pack reaches the roof edge or eave and freezes there.

The frozen snow on the eave prevents the meltwater drainage that further builds the ice dam. The backup of meltwater causes water leakage and structural damage to buildings and their contents. Ice dams can also damage ceilings, walls, insulation and other areas. When there are areas of dampness, the risk of mold growth is also high.

What causes ice dams?

Along with snow, the outside surface temperature on the roof should be more than 32 degrees F with lower surfaces on the roof being less than 32.  When outer surface temperature is more than 32, the snow begins to melt. The melted snow flows down into the roof and reaches the lower surface where the temperature is less than 32 and here is where it freezes forming an ice dam.

Sources of heat within the building lead to formation of ice dams include:

  • Chimneys
  • Air leakage
  • Improper insulation
  • Exhaust systems

Ice dams and injuries

Ice dams can cause serious injuries and some businesses and homeowners have experienced property damage up to $20,000 because of this phenomenon.

Many of the claims are because of property damage that occurred due to pooled water in the ice dam or roofs collapsing.

Why choose SERVPRO? SERVPRO is the leading specialist in water removal and clean-up when your property or structure is at high risk of damage from ice damming or water leaks. With state-of-the-art drying techniques and water removal equipment, SERVPRO can help restore the building to its original glory.

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