What Is an Ice Dam
Ice dams form when melting snow refreezes at the roof edge. This creates a barrier that prevents proper drainage.
Water then backs up under the shingles.
Why Ice Dams Are Common in Rochester
Cold winters and temperature fluctuations make ice dams a frequent issue in Southeast Minnesota.
Homes with poor insulation and ventilation are more vulnerable.
How Ice Dams Damage Roofs
Ice dams can cause:
- Water intrusion under shingles
- Damaged roof decking
- Wet insulation
- Interior leaks
Over time, repeated damage weakens the entire roofing system.
Warning Signs of Ice Dams
Homeowners should watch for:
- Large icicles
- Ice buildup along edges
- Ceiling stains
- Peeling paint
These signs indicate water backup.
Preventing Ice Dam Damage
Prevention includes:
- Improving insulation
- Ensuring proper ventilation
- Scheduling regular roof inspection
Above All Roofing provides ice dam solutions and roof repair services in Rochester, MN.




