How Much Does Open Cell Spray Foam Insulation Cost in Portland, Maine?
Professionally spray open-cell foam insulation in walls, rim joists or roof deck at typical 3-5.5 inch depth, priced per sq ft of surface.
Open Cell Spray Foam Insulation in Portland, Maine typically costs $1.47 to $3.43 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Open Cell Spray Foam Insulation in Portland, Maine
$1.47 – $3.43
per sq ftPrices in Portland are 1.0% lower than the national average for open cell spray foam insulation.
National average: $1.50 – $3.50 per sq ft
Cost Breakdown in Portland
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.66 – $1.52 | sq ft |
| Labor | labor | $0.52 – $1.23 | sq ft |
| Supplies & Other | supplies | $0.17 – $0.41 | sq ft |
| Equipment & Disposal | equipment | $0.12 – $0.27 | sq ft |
Prices adjusted for Portland local market conditions.
Cost Factors in Portland, Maine
What Affects Pricing
- Materials ($0.68-$1.57 per square foot)
- Labor ($0.52-$1.23 per square foot)
- Supplies & Other ($0.18-$0.42 per square foot)
- Equipment & Disposal ($0.12-$0.28 per square foot)
Local Price Adjustments
Material costs3.0% below avg
Labor costsAt national average
Frequently Asked Questions
References
- Spray Foam Insulation Costs - Forbes Home, Forbes Home, 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 Portland
Connect with local open cell spray foam insulation contractors in Portland for personalized quotes based on your specific project.