Low-pitched and flat roofs are "more vulnerable" to accumulation, Bo Zhang writes in an AccuWeather report. It outlines how snow should be removed from roofs—go from edge to peak, pick a plastic shovel over a metal one, avoid using a ladder and more.
"A cubic foot of dry snow weighs about 6 to 8 pounds, while one cubic foot of packed snow could weigh up to 20 pounds," the AccuWeather report states. "The same volume of ice can weigh three times this amount."
Click here to read the article, which also lists signs that a new roof is in order.
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