The biggest threat you will have to your roof in the winter is snow on the roof. It has been known to snow heavily enough in Fairfax City to accumulate on top of the house. Your attic needs enough ventilation and insulation to prevent ice dams. Snow is heavy, so if you get a foot or more on your roof, be prepared to remove it to take the stress on your trusses.
How do I winterize my roof? appeared first on http://roof.net
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