How Much Does Stone Wool Insulation Cost in Wilmington, Delaware?
Stone wool (mineral wool / Rockwool) batt or blown insulation installed in walls, attic or basement, materials and labor, per square foot of insulated area.
Stone Wool Insulation in Wilmington, Delaware typically costs $1.53 to $3.87 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Stone Wool Insulation in Wilmington, Delaware
$1.53 – $3.87
per sq ftPrices in Wilmington are 4.0% higher than the national average for stone wool insulation.
National average: $1.50 – $3.80 per sq ft
Cost Breakdown in Wilmington
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.66 – $1.66 | sq ft |
| Labor | labor | $0.58 – $1.48 | sq ft |
| Supplies & Other | supplies | $0.17 – $0.44 | sq ft |
| Equipment & Disposal | equipment | $0.12 – $0.30 | sq ft |
Prices adjusted for Wilmington local market conditions.
Cost Factors in Wilmington, Delaware
What Affects Pricing
- Materials ($0.68-$1.71 per square foot)
- Labor ($0.52-$1.33 per square foot)
- Supplies & Other ($0.18-$0.45 per square foot)
- Equipment & Disposal ($0.12-$0.31 per square foot)
Local Price Adjustments
Material costs3.0% below avg
Labor costs11.0% above avg
Labor costs in Wilmington run proportionally higher than materials, which may favor material-heavy solutions.
Frequently Asked Questions
References
- Bob Vila: Blown-in insulation cost, Bob Vila, retrieved Nov 2026
- Construction wages by metro and rural area, used for the labor adjustment by ZIP code, U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025
- Regional price parities for goods, used for the materials adjustment by ZIP code, U.S. Bureau of Economic Analysis, 2024
Get Free Estimates in Wilmington
Connect with local stone wool insulation contractors in Wilmington for personalized quotes based on your specific project.