Basic
$0.87 – $2.16 per sq ft
Rinse and blow clean, one coat of water-based silane-siloxane penetrating sealer
How Much Does Penetrating Concrete Sealer Cost in Wilmington, Delaware?
Clean and apply a penetrating (silane/siloxane) sealer to an existing concrete driveway, patio or floor, materials and labor.
Penetrating Concrete Sealer in Wilmington, Delaware typically costs $1.02 to $2.55 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Penetrating Concrete Sealer in Wilmington, Delaware
$1.02 – $2.55
per sq ftPrices in Wilmington are 4.0% higher than the national average for penetrating concrete sealer.
National average: $1 – $2.50 per sq ft
What you get at each price level
Standard
$1.02 – $2.55 per sq ft
Pressure wash, degrease oil spots, one saturating coat of higher-solids silane-siloxane sealer
Premium
$1.27 – $3.18 per sq ft
Pressure wash and degrease, two wet-on-wet coats of high-solids silane-siloxane sealer for deeper penetration
Cost Breakdown in Wilmington
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.44 – $1.12 | sq ft |
| Labor | labor | $0.39 – $0.97 | sq ft |
| Supplies & Other | supplies | $0.12 – $0.28 | sq ft |
| Equipment & Disposal | equipment | $0.08 – $0.18 | sq ft |
Prices adjusted for Wilmington local market conditions.
Penetrating Concrete Sealer photo examples
Sealed stamped concrete driveway with water beading after rain
Photo: Decorative Concrete Kingdom · CC BY 2.0 · Source
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Cost Factors in Wilmington, Delaware
What Affects Pricing
- Materials ($0.45-$1.15 per square foot)
- Labor ($0.35-$0.87 per square foot)
- Supplies & Other ($0.12-$0.29 per square foot)
- Equipment & Disposal ($0.08-$0.19 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
- Penetrating Concrete Sealer Cost Exton PA - TownContractors, TownContractors, 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
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