Basic
$1.67 – $4.59 per sq ft
Mineral-surfaced 90 lb roll roofing, exposed-nail method with lap cement, over 15 lb felt, new drip edge
Install mineral-surfaced asphalt roll roofing on a low-slope roof or outbuilding, per sq ft of roof, materials and labor.
Roll Roof in Portland, Maine typically costs $1.96 to $5.40 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Portland are 1.0% lower than the national average for roll roof.
National average: $2 – $5.51 per sq ft
$1.67 – $4.59 per sq ft
Mineral-surfaced 90 lb roll roofing, exposed-nail method with lap cement, over 15 lb felt, new drip edge
$1.96 – $5.40 per sq ft
Mineral-surfaced roll roofing, concealed-nail method with lap cement, over 30 lb felt, new drip edge
$2.45 – $6.75 per sq ft
Double-coverage selvage roll roofing with concealed nails and cemented laps, over 30 lb felt, new drip edge
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.87 – $2.41 | sq ft |
| Labor | labor | $0.70 – $1.93 | sq ft |
| Supplies & Other | supplies | $0.23 – $0.64 | sq ft |
| Equipment & Disposal | equipment | $0.16 – $0.43 | sq ft |
Connect with local roll roof contractors in Portland for personalized quotes based on your specific project.