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Feb 15, 2017 5:26 PM

After 2 NH snowstorms, this is how much the snow on the roof really weighs


It doesn't take a lot of snow to stress your roof. Snow can weigh anywhere from five to about 20 pounds per cubic foot.

We'll be conservative and use the lower weight to demonstrate just how heavy snow can be.

Figure your home's roof is 1000 sq. ft. If snow weighs 5 lbs. per cubic foot, and you have two feet of snow, that's 10,000 pounds of weight. That's equivalent to the weight of 10 moose.

That same scenario with 3.5 ft. of snow would add up to 17,500 pounds - equavlent to the weight of three Zamboni machines. With five ft. of snow it would be 25,000 lbs, and basically equivalent to the weight of a semi-truck.

Remember, that's even figuring for lighter weighing snow. Heavier snow can weigh as much as four times that.

Much of the state has seen 2 to 3 feet of snow since February 1. The eastern half of New Hampshire has been hardest hit by the most recent storms.

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