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AhaBulb: Stuff Everyone Should Know · ahabulb.com/home-ice-dam

What mainly causes ice dams on a roof?

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  1. Gutters that are too clean
  2. Heat from the house melting snow unevenly
  3. Too much snow alone

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References

  1. UMN Extension: Ice dams extension.umn.edu/node/7346 Checked 2026-10-10.
  2. ENERGY STAR: Attic insulation project www.energystar.gov/saveathome/seal_insulate/attic-insulation-project Checked 2026-10-10.

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