Interior Structure
Insulation: costs by job
Install, replace, repair and maintain costs for every insulation job we track, with the trade required and how DIY-friendly each one is.
Verified August 2026
Cost comparison
Typical national figures for a standard single-family home.
| Attic Insulation InstallationTypical $2,600 · Insulation contractor · DIY 3/5 | $1,200 – $5,500 |
|---|---|
| Attic Insulation ReplacementTypical $2,600 · Insulation contractor · DIY 3/5 | $1,200 – $5,500 |
| Attic Insulation UpgradeTypical $2,080 · Insulation contractor · DIY 3/5 | $960 – $4,400 |
| Spray Foam Insulation InstallationTypical $5,000 · Insulation contractor · DIY 1/5 | $2,200 – $12,000 |
| Wall Insulation InstallationTypical $3,200 · Insulation contractor · DIY 2/5 | $1,400 – $7,500 |
| Radiant Barrier InstallationTypical $2,100 · Insulation contractor · DIY 3/5 | $900 – $4,800 |
Attic Insulation
Attic Insulation InstallationTypical $2,600 · Tier 2Attic Insulation ReplacementTypical $2,600 · Tier 1Attic Insulation UpgradeTypical $2,080 · Tier 3
Variants: Blown-in · Batt · Spray foam · R-30 · R-38
Spray Foam Insulation
Variants: Open cell · Closed cell