Basic
$1.33 – $2.33 per sq ft
Borate-treated cellulose blown to about R-38 over the attic floor, eave baffles where missing, depth markers posted

Install Blown-In Cellulose Insulation: national installed price range, materials and labor breakdown, and local pricing by ZIP code.
Install Blown-In Cellulose Insulation in Boise, Idaho typically costs $1.56 to $2.74 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Boise are 6.0% lower than the national average for install blown-in cellulose insulation.
National average: $1.66 – $2.91 per sq ft
$1.33 – $2.33 per sq ft
Borate-treated cellulose blown to about R-38 over the attic floor, eave baffles where missing, depth markers posted
$1.56 – $2.74 per sq ft
Borate-treated cellulose blown evenly to about R-38, eave baffles, dam around the hatch, depth markers and attic card
$1.96 – $3.43 per sq ft
Borate-treated cellulose blown to about R-38, eave baffles, hatch dam and insulated hatch cover, depth markers and certificate
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.72 – $1.26 | sq ft |
| Labor | labor | $0.53 – $0.93 | sq ft |
| Supplies & Other | supplies | $0.19 – $0.34 | sq ft |
| Equipment & Disposal | equipment | $0.12 – $0.22 | sq ft |
Installer in protective suit blowing cellulose insulation across an attic floor
Photo: USFWS Mountain Prairie · Public domain · Source
Find a pro to do thisBuildX Pro researches and reviews the national price range for Install Blown-In Cellulose Insulation, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked Sep 2026.
Connect with local install blown-in cellulose insulation contractors in Boise for personalized quotes based on your specific project.