Ice Dams

 




Ice dams in Texas have generally not been a large problem but the last few years we've had quite the ice storms. If your roof isn't properly sealed underneath, it could create big issues. Ice and Water shield isn't code in most cities but has never been more important with these recent storms we have had. 

Shingle manufacturer Owens Corning wrote a good article on Ice Dams and how it can affect your roof. Below is a small portion but I'd encourage you to read the full article on their site linked below. 

​"ROOF ICE DAMS

Above-average snowfall and below-average cold temperatures throughout the winter season may leave homeowners finding that the wrath of this winter has left long-term roof damage in its wake.

Read on to learn more about ice dams and what you can do to help avoid the increased potential for ice dam damage on your home.

What is an Ice Dam?

An ice dam is a wall of ice along the edge of the roof that forms when melting snow continually thaws over warmer portions of the roof and refreezes along the roof’s colder eaves.
The melted water that pools behind the ice dam gets trapped, creating the potential to leak into the home and cause damage to:

  • Walls
  • Ceilings
  • Insulation, and
  • Other structural areas

Ice Dams: Low-Risk Roof vs High-Risk Roof

Icicles dangling from rooftops may actually signal potential ice dams in regions hit hard during winter."

"Ice Dams on Your Roof." Owens Corning
http://www.owenscorning.com/en-us/roofing/tools/ice-damming

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