Suggest an editFor: How to Prevent Ice DamsLeave this empty What version are you on? (for example Windows 11 24H2, macOS 26, iOS 18, Chrome 140)Which step?1. Air seal the attic floor first2. Vent every fan to the outdoors3. Bring the insulation up to current levels4. Confirm the soffit and ridge vents are open5. Treat heat cable as a last resortA step is missingSomething else on the pageWhat should it say?Screenshot (optional, up to 4 MB)Your email (optional, only if you want a reply)Send suggestionNo account needed. Suggestions are reviewed before anything changes on the site.