What ice dam means
An ice dam is a ridge of ice at the roof edge that forms when heat from the house melts snow higher up, and the water refreezes at the colder eaves. Water then backs up under the shingles.
Where it matters on a insulation job
Homeowners call the roofer, but the cause is usually heat loss into the attic. The lasting fix is air sealing, insulation and ventilation, with an ice barrier as backup. Explaining that wins the bigger, right job.
What it costs
For ice dam, the closest koira.ai price is the attic insulation cost guide, near $2,500 for a typical job and $1,700 to $3,250 for most. The guide shows its sources and what moves the price. The insulation cost calculator prices a job line by line.
Work it out
- Free calculator: Insulation cost calculator
- Cost guide: Attic insulation cost
- Tools, templates and guides: Free insulation resources