Insulation Cost in Thornton, CO in 2026
Most Insulation projects in Thornton, CO cost between $1,500 and $6,000. The typical price is $3,000.
Labour and materials in Thornton run about 5% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
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 Thornton, CO
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $1.24 |
| Mid-range | $2.48 |
| High-end | $5.17 |
Insulation contractors in Thornton, CO
Businesses listed on Google near Thornton, CO. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
AtticPro Insulation
5.0(78 reviews)
720 Kipling St #12, Lakewood, CO 80215
Advanced
4.9(81 reviews)
7120 E 121st Pl, Thornton, CO 80602
Insulation Pros of Colorado
4.8(40 reviews)
871 Thornton Pkwy #116, Thornton, CO 80229
iFOAM Insulation
5.0(31 reviews)
6100 E 58th Ave E, Commerce City, CO 80022
Next Level Home Services
5.0(29 reviews)
11647 Olathe St, Commerce City, CO 80022
All Seasons,LLC
5.0(18 reviews)
1500 W Thornton Pkwy Lot 74, Thornton, CO 80260