How Much Does Cellulose Insulation Cost in Wilmington, Delaware?
Installed cellulose insulation (loose-fill attic or dense-pack walls), materials and labor per sq ft of area insulated.
Cellulose Insulation in Wilmington, Delaware typically costs $1.02 to $3.06 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
$1.02 – $3.06
per sq ftPrices in Wilmington are 4.0% higher than the national average for cellulose insulation.
National average: $1 – $3 per sq ft
Cost Breakdown in Wilmington
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.44 – $1.31 | sq ft |
| Labor | labor | $0.39 – $1.17 | sq ft |
| Supplies & Other | supplies | $0.12 – $0.35 | sq ft |
| Equipment & Disposal | equipment | $0.08 – $0.23 | sq ft |
Cellulose Insulation photo examples
Loose-fill cellulose insulation blown across an attic floor under a tiled roof
Photo: photos Grenier ouate · CC BY-SA 3.0 · Source
Close-up of loose-fill recycled cellulose insulation next to a ruler
Photo: Okram · CC BY-SA 3.0 · Source
Cost Factors in Wilmington, Delaware
What Affects Pricing
- Materials ($0.45-$1.35 per square foot)
- Labor ($0.35-$1.05 per square foot)
- Supplies & Other ($0.12-$0.36 per square foot)
- Equipment & Disposal ($0.08-$0.24 per square foot)
Local Price Adjustments
Labor costs in Wilmington run proportionally higher than materials, which may favor material-heavy solutions.
Frequently Asked Questions
References
- How Much Does Blown-in Insulation Cost? (2026) - HomeGuide, HomeGuide, retrieved Nov 2026
- How Much Does Insulation Installation Cost? [2026 Data] - Angi, Angi, retrieved Nov 2026
- Insulation Costs & Prices - ProMatcher Cost Report, insulation.promatcher.com, 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
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