Basic
$3.33 – $6.67 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 Portland, Maine?
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 Portland, Maine typically costs $3.92 to $7.84 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 Portland, Maine
$3.92 – $7.84
per sq ftPrices in Portland are 1.0% lower than the national average for spf roof.
National average: $4 – $8 per sq ft
What you get at each price level
Standard
$3.92 – $7.84 per sq ft
About 1-1/2 in. spray foam (about R-9) with silicone elastomeric coating, granules on walk paths
Premium
$4.90 – $9.81 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 Portland
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $1.75 – $3.49 | sq ft |
| Labor | labor | $1.40 – $2.80 | sq ft |
| Supplies & Other | supplies | $0.47 – $0.93 | sq ft |
| Equipment & Disposal | equipment | $0.31 – $0.62 | sq ft |
Prices adjusted for Portland 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
Find a pro to do this
Cost Factors in Portland, Maine
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 costsAt national average
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
Get Free Estimates in Portland
Connect with local spf roof contractors in Portland for personalized quotes based on your specific project.