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Roof raking helps clear snowfall from your roof and, in turn, you hope that this prevents ice dams. But can roof raking actually cause them? Generally, no, it cannot. But you should note that while, in some cases, you might successfully prevent ice dams from forming near the edge of your roof by keeping it cleared with a roof rake, they could still form higher up on the roof, where you are unable to reach. This may leave you wondering: Does roof raking prevent ice dams? While it is not a 100% guaranteed way to prevent them, it does help.

When temperatures drop far enough, even rock salt can’t melt the ice. The briny solution freezes before it develops, and the salt doesn’t work, which happens around 10 to 15 degrees Fahrenheit. Keep in mind that wind chill and other factors impact ice-melting progress. Some ice melters, like magnesium chloride, work at colder temperatures and work better for deep winter freezes.

In most cases, it is best to leave icicles on your roof and allow them to melt naturally. You should only consider removing them if they are heavy enough to cause damage to your home or pose a risk to people below. Since removing icicles can be dangerous, it is recommended to hire a professional for the job if you have immediate concerns. To prevent the issue from recurring, you should address the underlying cause, such as improving your home's insulation or installing roof heating coils.

The average cost for a single snow removal service is around $85, but can range from $40 to $200. For excessive snowfall, the price could be $500 or more, as single services are often based on the amount of snow, with every six inches adding to the total. For ongoing service, an annual snow removal contract typically costs between $200 and $600 for the season. In many cases, an annual contract is more affordable than paying per visit. The final cost is heavily influenced by your location, the amount of snowfall your area receives, property size, seasonal demand, expected response time, and any extra services like clearing a sidewalk.