Southernwood Roofing and Siding

Prevent Ice Damming—And Harmful Leaks

Feb 01, 2014

With multiple winter blasts this year, we have been dealing with one of the worst issues associated with winter, ICE DAMMING. We want to take a moment to explore what ice damming is and how it occurs—what you read could prevent harmful leaks inside your home this winter. An ice dam is formed when rising heat from the house melts the blanket of snow and ice on your roof from the bottom up, sending water trickling down the roof. When that water hits the cold eaves, it refreezes and forms a dam, preventing proper drainage.

As the process of melting and refreezing continues, water gets trapped behind the dam and backs up under the shingles. Eventually, that water can leak into your house thorugh windows or the ceiling.

How to Prevent Ice Damming Before It Occurs

  1. Use an ice and water-shield membrane when installing any new roof. This will protect the first 3′ of the roof line at the eves from water backing up as shown in the picture and this should also be run in the valleys where snow can sit. (Ask you builder for this if you are building a new home, it is a minimal cost but not always standard)
  2. Seal off penetrations to the attic from the living space below around heating supply vents, recessed cans, ceiling fans etc… to keep the warm in the home and out of the attic.
  3. Insure you have proper attic insulation. Today’s building code requires a minimum of an R-38 or 10″.

These simple things will cost you less than the damage and frustration caused by ice damming.

What Our Customers Have to Say
Recent Customer Reviews
Southernwood Roofing and Siding
Southernwood is the best when it comes to roofing and windows. I had 3 new windows installed on my house just as a test to see how they performed. I'm now going to have the rest of the house done. Don't bother shopping around, Southernwood goes the extra mile.
La Plata, MD
My wife and I are extremely pleased with our new roof. This is our weekend home so Southernwood handled the project, start to finish, while we were not there and did a great job. Very honest folks.
La Plata, MD
Everyone was very professional! From our initial contact person Noah, to all the contractors and workers. They were timely and very neat. They cleaned up all the debris and old roofing. We were very pleased and would highly recommend!
Hillcrest Heights, MD
Southernwood did a great job on our home replacing our roof, siding and gutters after a bad hail storm back in April. They were all very professional and polite. Geddy, the field supervisor showed up each day to oversee the work and address any questions I may of had. I would highly recommend them for your home projects.
Hughesville, MD
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