Basic
$42 – $125 each
Exterior gaps caulked with siliconized acrylic latex, adhesive foam weatherstrip added at the sash
How Much Does Seal Windows Cost in Portland, Maine?
Caulk and weatherstrip one window to stop air and water leaks, per window.
Seal Windows in Portland, Maine typically costs $49 to $147 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 Portland, Maine
$49 – $147
eachPrices in Portland are 1.0% lower than the national average for seal windows.
National average: $50 – $150 each
What you get at each price level
Standard
$49 – $147 each
Failed caulk cut out, exterior perimeter recaulked with siliconized acrylic, V-strip weatherstrip at sashes
Premium
$61 – $184 each
Old caulk removed, backer rod in wide gaps, polyurethane sealant outside, interior trim sealed, new sash weatherstrip
Cost Breakdown in Portland
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $21 – $66 | each |
| Labor | labor | $18 – $52 | each |
| Supplies & Other | supplies | $5.82 – $17 | each |
| Equipment & Disposal | equipment | $3.88 – $12 | each |
Prices adjusted for Portland local market conditions.
Cost Factors in Portland, Maine
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 costsAt national average
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 Portland
Connect with local seal windows contractors in Portland for personalized quotes based on your specific project.