Insulation Cost in Foristell, MO in 2026
Most Insulation projects in Foristell, MO cost between $1,400 and $6,000. The typical price is $2,800.
Labour and materials in Foristell run about 6% below 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 Foristell, MO
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $1.15 |
| Mid-range | $2.30 |
| High-end | $4.80 |
Insulation contractors in Foristell, MO
Businesses listed on Google near Foristell, MO. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Koala Insulation of Gateway West & Metro East IL
4.9(572 reviews)
13590 NW Industrial Dr, Bridgeton, MO 63044
Foam Co.
5.0(181 reviews)
4515 Towne Ct, St Peters, MO 63304
Better Home Insulation
4.9(188 reviews)
14420 Cazado Dr, Chesterfield, MO 63017
iFOAM Insulation of O'Fallon
5.0(146 reviews)
949 W Terra Ln, O'Fallon, MO 63366
St Louis Insulation
4.9(35 reviews)
1140 Birdie Hills Rd, St Peters, MO 63376
Insulation Pros
4.5(25 reviews)
15 Hat Trick Ln Ste. A, Wright City, MO 63390