How to Prevent Ice Dams From Ruining Your Roof
by Becca Lewis from Lifehacker on (#5VEHC)
Ice dams are the result of a freeze-and-thaw cycle when there's snow on your roof, and they suck. They can cause damage to your roof and gutters, and in the worst scenarios they can even damage your home's structure. But there are things you can (and should) do to prevent and mitigate ice dams.