Basic
$3.46 – $6.93 per sq ft
About 1-1/2 in. spray polyurethane foam (about R-9) with acrylic elastomeric coating in two coats
Rendering: BuildX
How Much Does SPF Roof Cost in Wilmington, Delaware?
Spray polyurethane foam (SPF) roof system on a low-slope roof, foam plus protective elastomeric coating, priced per square foot of roof.
SPF Roof in Wilmington, Delaware typically costs $4.08 to $8.15 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
SPF Roof in Wilmington, Delaware
$4.08 – $8.15
per sq ftPrices in Wilmington are 4.0% higher than the national average for spf roof.
National average: $4 – $8 per sq ft
What you get at each price level
Standard
$4.08 – $8.15 per sq ft
About 1-1/2 in. spray foam (about R-9) with silicone elastomeric coating, granules on walk paths
Premium
$5.10 – $10 per sq ft
About 1-1/2 in. spray foam (about R-9) with silicone base and topcoat, granules broadcast for durability
Cost Breakdown in Wilmington
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $1.75 – $3.49 | sq ft |
| Labor | labor | $1.55 – $3.11 | sq ft |
| Supplies & Other | supplies | $0.47 – $0.93 | sq ft |
| Equipment & Disposal | equipment | $0.31 – $0.62 | sq ft |
Prices adjusted for Wilmington local market conditions.
SPF Roof photo examples
Depth gauge probing the foam thickness on a roof
Rendering: BuildX
Find a pro to do thisWhite elastomeric coating rolled over cured roof foam
Rendering: BuildX
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Cost Factors in Wilmington, Delaware
What Affects Pricing
- Materials ($1.80-$3.60 per square foot)
- Labor ($1.40-$2.80 per square foot)
- Supplies & Other ($0.48-$0.96 per square foot)
- Equipment & Disposal ($0.32-$0.64 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
- Rescreening Masters: Polyurethane foam roofing cost, rescreeningmasters.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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