Ice Dam Removal
What is an Ice Dam? An ice dam might form when there is snow on the roof, the average temperature outside is below 32 degrees or the roof surface temperature is above 32 degrees at its highest end and below 32 degrees at its lower end.
How does an Ice Dam form? This diagram by Owens Corning shows how an ice dam forms and how leakage may occur in your home. (Graphic credit: Owens-Corning). Indoor heating rises through the ceiling into the attic and warms the roof surface. Snow on the heated part of the roof melts and flows down until it reached the part of the roof that is below 32 degrees. Water then freezes into an ice dam. The dam grows as it is fed by melting snow above, but the water held by the dam backs up and stays liquid. Eventually, the water finds cracks in the roof covering and flows into the attic from where it could seep through the ceiling and interior walls.
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