Prevention and what to do if ice dams and attic condensation occur in your house. When the temperature in your attic is above freezing, snow on the roof will likely melt. When the snowmelt runs down the roof and hits the colder eaves, it refreezes, especially if the temperature drops again. If this cycle repeats over several days, the freezing snowmelt builds up and forms a dam of ice, behind which water pools up into large puddles, or ponds. The ponding water can then back up under the roof covering and leak into the attic or along exterior walls. Read more at When the temperature in your attic is above freezing, snow on the roof will likely melt. When the snowmelt runs down the roof and hits the colder eaves, it refreezes, especially if the temperature drops again. If this cycle repeats over several days, the freezing snowmelt builds up and forms a dam of ice, behind which water pools up into large puddles, or ponds. The ponding water can then back up under the roof covering and leak into the attic or along exterior walls. Read more here: rgn.bz/0qJb
Posted on: Fri, 12 Dec 2014 15:15:37 +0000
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