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Prevent Ice Dams on Roof: Pro Tips for a Trouble-Free Winter

A clean roofline after a heavy snowfall tells you a lot about a house. It means heat is staying where it belongs, meltwater is moving off the shingles, and the owners won’t be calling for emergency help when the temperature swings. Ice dams form when that balance breaks, and once you’ve seen the damage a solid ridge of ice can cause, you stop treating winter as a passive season. The good news: most ice dams can be prevented with a mix of building science, routine maintenanc