Insulation Cost in Grafton, WI in 2026
Most Insulation projects in Grafton, WI cost between $1,400 and $6,000. The typical price is $2,900.
Grafton prices track the national average closely. Costs here are close enough to the national picture that the adjustment barely moves the number.
What drives the price
- Batt, blown-in cellulose or closed-cell spray foam
- Target R-value for your climate zone
- Attic, wall or crawlspace access
- Air sealing done alongside the insulation
Usually included
- Insulation material to the specified R-value
- Installation and air sealing at obvious gaps
- Cleanup and disposal
Usually extra
- Removing contaminated existing insulation
- Ventilation or moisture remediation
- Drywall work for wall injection
Unit prices in Grafton, WI
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $1.20 |
| Mid-range | $2.40 |
| High-end | $5.00 |
Insulation contractors in Grafton, WI
Businesses listed on Google near Grafton, WI. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
USA Insulation Green Bay - Fox Valley
4.9(137 reviews)
3531 Jackson St, Oshkosh, WI 54901
Wisconsin Home Improvement
4.9(112 reviews)
N59 W14283, Bobolink Ave, Menomonee Falls, WI 53051
Intec WI - Insulation Installer in Milwaukee WI, Insulation Contractor
4.7(115 reviews)
321 N 25th St, Milwaukee, WI 53233
Erickson Spray Foam
5.0(43 reviews)
869 County Hwy NN Ste 2110, Cedarburg, WI 53012
Spraytech Insulators
4.8(35 reviews)
N 4310 Ebbe Acres Dr, Waupaca, WI 54981
WI Spray Foam Insulators Milwaukee
5.0(26 reviews)
4908 N 26th St, Milwaukee, WI 53209