Install Spray Foam Insulation Cost in Bethlehem, CT in 2026
Most Install Spray Foam Insulation projects in Bethlehem, CT cost between $3,200 and $13,500. The typical price is $6,500.
Closed-cell spray foam costs the most per square foot and delivers the highest R-value per inch.
Labour and materials in Bethlehem run about 9% 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 Bethlehem, CT
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $2.68 |
| Mid-range | $5.36 |
| High-end | $11 |
Insulation contractors in Bethlehem, CT
Businesses listed on Google near Bethlehem, CT. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Northeast Spray Foam, LLC
5.0(2 reviews)
11 W Rd, Bethlehem, CT 06751