Basic
$43 – $130 each
Exterior gaps caulked with siliconized acrylic latex, adhesive foam weatherstrip added at the sash
How Much Does Seal Windows Cost in Wilmington, Delaware?
Caulk and weatherstrip one window to stop air and water leaks, per window.
Seal Windows in Wilmington, Delaware typically costs $51 to $153 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Seal Windows in Wilmington, Delaware
$51 – $153
eachPrices in Wilmington are 4.0% higher than the national average for seal windows.
National average: $50 – $150 each
What you get at each price level
Standard
$51 – $153 each
Failed caulk cut out, exterior perimeter recaulked with siliconized acrylic, V-strip weatherstrip at sashes
Premium
$64 – $191 each
Old caulk removed, backer rod in wide gaps, polyurethane sealant outside, interior trim sealed, new sash weatherstrip
Cost Breakdown in Wilmington
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $21 – $66 | each |
| Labor | labor | $20 – $58 | each |
| Supplies & Other | supplies | $5.82 – $17 | each |
| Equipment & Disposal | equipment | $3.88 – $12 | each |
Prices adjusted for Wilmington local market conditions.
Cost Factors in Wilmington, Delaware
What Affects Pricing
- Materials ($22.00-$68.00 per unit)
- Labor ($18.00-$52.00 per unit)
- Supplies & Other ($6.00-$18.00 per unit)
- Equipment & Disposal ($4.00-$12.00 per unit)
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
How we price this
BuildX Pro researches and reviews the national price range for Seal Windows, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked 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 seal windows contractors in Wilmington for personalized quotes based on your specific project.