ICE DAM SEASON: Watch daytime melt, nighttime freeze - FOX 29 News Philadelphia | WTXF-TV

ICE DAM SEASON: Watch daytime melt, nighttime freeze

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Have you taken a look at your roof lately, because it's ice dam season and the pesky, potentially-dangerous winter nuisance has returned.

Crews are out in nearly every corner of the metro, working to melt away ice dams before they cause any real damage.

While some are still having nightmares about the winter two years ago that left large and dangerous ice dams, this year it's been milder. There are still rooftops with snow on them, leaving many homeowners hoping the cycle of daytime melting and nighttime freezing won't get out of control in the next few weeks.

"Daytime temperatures above 30, nighttime temps below freezing -- melt during the day, freezes at night," explained Joe Palumbo. "That's what causes ice dams."

When those ice dams build up, Palumbo spends time blasting scalding hot, 250-degree water and steam atop slippery, sloped roofs to chip away at the ice that shows no sign of melting on its own.

"There's almost no 'typical' in ice dam removal," he said.

The risk of leaving an ice dam alone is that the melting snow on the roof won't have a place to run off, and that can cause leaks -- or worse -- inside.

"I hear horror stories -- water into light fixtures," said Sarah Kesler, who had an ice dam removed. "Didn't want to deal with that."

Fortunately, this winter hasn't been too bad as far as ice dams go -- at least not yet.

Even so, ice is already on the mind of many shoppers visiting the local Frattalone Ace Hardware store, but the assistant store manager says most people are more concerned about icy sidewalks, driveways and parking lots at this point.

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