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Preventing Ice Dams From The Exterior
 
 
Our climate is similar here in Montreal. Our first big snow dump this year fell with westerly winds so the lee sides of homes developed what I like to call 'Snow Brows'. Theses are big over hangs of snow projecting various distances out form the roof edges.  'Don't slam the door!' scenarios because a sudden jolt can cause them to drop.
Lots of ice dams developed under theses brows. Most people here don't do anything about it. They wait it out, expecting it to get even colder, so everything freezes. They think they are ok till next time. We know that's not true.
We've just gotten lucky. Areas here and the north east Us states have gotten a reprieve. We've had a warm spell that lasted long enough to melt the roofs clean. Now there is gust a light dusting of snow, but there were some big chunks of ice falling for a few days.
 
 
 
I've been doing a lot of attic inspections for Minneapolis homeowners with water leaking in to their houses, and in almost every case I find obvious problems in the attic that should be addressed to either prevent or significantly reduce ice ... more

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