The icicles hanging from rooftops across Maine may look picturesque, but experts say they could be a warning sign of costly damage.

According to an article by the Kennebec Journal, homeowners across the state are facing an increased risk of ice dams this winter — a destructive buildup of frozen meltwater along the edges of roofs that can cause thousands of dollars in damage to shingles, gutters, insulation, wiring, ceilings, and walls.

“I started getting calls right after Christmas,” said Jesus Malan, owner of Double J. Construction in Windham. “It’s Maine, so we always have snow and ice work. But this year we’ve had a lot more than usual.” he told the KJ.

Ice dams form when heat escapes from an attic and melts the bottom layer of snow on the roof. The Newspaper explained that the meltwater runs down toward the colder eaves, where it refreezes. That ice barrier prevents additional water from draining properly, forcing it back under shingles or into small openings in the roof.

The result can be interior leaks, structural damage, and expensive repairs.

To reduce the risk, experts recommend keeping the roof surface as close to the outside air temperature as possible. Homeowners can use a long-handled roof rake to remove the first three to four feet of snow along the roof’s edge after each storm. Clearing gutters of debris also allows meltwater to flow freely.

The KJ explained long-term prevention involves sealing attic air leaks, improving insulation, and ensuring proper ventilation so cold air can circulate beneath the roof deck.

Once an ice dam forms, professionals warn against attempting DIY removal. Chipping away at ice with hammers or metal shovels can damage shingles and gutters — and climbing onto an icy roof can be dangerous.

Professional removal costs typically range from $400 to $1,200 per hour, depending on the size of the roof and the amount of buildup. Some companies use steam removal, while others rely on plastic shovels or heat cables, the KJ article said.

Experts say while removal can be expensive, it’s often far cheaper than repairing water damage caused by even a single leak.

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