Insulation Cost in Clayton, DE in 2026
Most Insulation projects in Clayton, DE cost between $1,400 and $6,000. The typical price is $2,900.
Clayton 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 Clayton, DE
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $1.20 |
| Mid-range | $2.40 |
| High-end | $5.00 |
Insulation contractors in Clayton, DE
Businesses listed on Google near Clayton, DE. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Amira Contracting
4.9(68 reviews)
548 S Red Fox Cir, Middletown, DE 19709
Koala Insulation of Newark
4.9(62 reviews)
26 Albe Dr Ste 5, Newark, DE 19702
Delmarva Insulation
4.2(57 reviews)
22976 Sussex Ave, Georgetown, DE 19947
1st State Insulation
4.1(28 reviews)
9796 Nanticoke Business Park Dr, Greenwood, DE 19950
Accurate Insulation
3.9(25 reviews)
143 Hatchery Rd, Dover, DE 19901
Dixie's Insulation, LLC.
4.7(13 reviews)
4765 Baker Rd, Bridgeville, DE 19933