Basic
$1.88 – $3.14 per sq ft
1-1/2 in. XPS foam board (about R-7.5) fastened with cap fasteners, seams taped
Photo: Forest Service - Northern Region · Public domain · Source
How Much Does Rigid Insulation Cost in Portland, Maine?
Rigid Insulation: national installed price range, materials and labor breakdown, and local pricing by ZIP code.
Rigid Insulation in Portland, Maine typically costs $2.22 to $3.70 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Rigid Insulation in Portland, Maine
$2.22 – $3.70
per sq ftPrices in Portland are 1.0% lower than the national average for rigid insulation.
National average: $2.26 – $3.77 per sq ft
What you get at each price level
Standard
$2.22 – $3.70 per sq ft
1-1/2 in. XPS foam board (about R-7.5) adhesive-set and cap-fastened, seams taped, edges sealed with foam
Premium
$2.77 – $4.62 per sq ft
1-1/2 in. XPS foam board (about R-7.5) adhesive-set and cap-fastened, seams taped, edges and penetrations foam-sealed, cut tight
Cost Breakdown in Portland
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.99 – $1.65 | sq ft |
| Labor | labor | $0.79 – $1.32 | sq ft |
| Supplies & Other | supplies | $0.26 – $0.44 | sq ft |
| Equipment & Disposal | equipment | $0.17 – $0.29 | sq ft |
Prices adjusted for Portland local market conditions.
Rigid Insulation photo examples
Foil-faced rigid foam boards covering the walls and roof of a small cabin
Photo: ryochiji · CC BY 2.0 · Source
Find a pro to do thisWhite rigid polystyrene insulation boards fixed to an apartment building facade
Photo: Manforowicz · CC0 · Source
Find a pro to do this
Cost Factors in Portland, Maine
What Affects Pricing
- Materials ($1.02-$1.70 per square foot)
- Labor ($0.79-$1.32 per square foot)
- Supplies & Other ($2.26-$3.77 per square foot)
- Equipment & Disposal ($2.26-$3.77 per square foot)
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 Rigid Insulation, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked Sep 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 rigid insulation contractors in Portland for personalized quotes based on your specific project.