Basic
$0.91 – $1.09 per sq ft
30 lb asphalt felt lapped and cap-nailed, ice barrier at eaves where code requires
How Much Does Roofing Underlayment Cost in Portland, Maine?
Roofing Underlayment: national installed price range, materials and labor breakdown, and local pricing by ZIP code.
Roofing Underlayment in Portland, Maine typically costs $1.07 to $1.28 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Roofing Underlayment in Portland, Maine
$1.07 – $1.28
per sq ftPrices in Portland are 1.0% lower than the national average for roofing underlayment.
National average: $1.09 – $1.31 per sq ft
What you get at each price level
Standard
$1.07 – $1.28 per sq ft
Woven synthetic underlayment cap-nailed, self-adhered ice and water membrane at eaves and valleys
Premium
$1.33 – $1.61 per sq ft
Heavier synthetic underlayment, self-adhered membrane at eaves, valleys, walls and penetrations
Cost Breakdown in Portland
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.53 – $0.56 | sq ft |
| Labor | labor | $0.33 – $0.46 | sq ft |
| Supplies & Other | supplies | $0.11 – $0.16 | sq ft |
| Equipment & Disposal | equipment | $0.10 – $0.11 | sq ft |
Prices adjusted for Portland local market conditions.
Cost Factors in Portland, Maine
What Affects Pricing
- Materials ($0.55-$0.58 per square foot)
- Labor ($0.33-$0.46 per square foot)
- Supplies & Other ($0.11-$0.16 per square foot)
- Equipment & Disposal ($0.10-$0.11 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 Roofing Underlayment, 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
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