Basic
$3.31 – $7.45 per sq ft
2-ply SBS: fastened base sheet plus charcoal granulated cap sheet, torch-applied, new metal edge, base flashings at walls and curbs
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How Much Does Modified Bitumen Roof Cost in Billings, Montana?
Install a 2-ply modified bitumen (SBS or APP, torch, cold or self-adhered) membrane on a residential or light-commercial low-slope roof.
Modified Bitumen Roof in Billings, Montana typically costs $3.90 to $8.77 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Modified Bitumen Roof in Billings, Montana
$3.90 – $8.77
per sq ftPrices in Billings are 2.0% lower than the national average for modified bitumen roof.
National average: $4 – $9 per sq ft
What you get at each price level
Standard
$3.90 – $8.77 per sq ft
2-ply SBS: fastened base sheet plus light gray granulated cap, torch-applied, new metal edge, base flashings at walls and curbs
Rendering: BuildX
Find a pro to do thisPremium
$4.87 – $11 per sq ft
2-ply SBS: heavier base sheet plus white reflective granulated cap over a cover board, torch-applied, new metal edge and base flashings
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Cost Breakdown in Billings
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $1.73 – $3.89 | sq ft |
| Labor | labor | $1.40 – $3.15 | sq ft |
| Supplies & Other | supplies | $0.46 – $1.04 | sq ft |
| Equipment & Disposal | equipment | $0.31 – $0.69 | sq ft |
Prices adjusted for Billings local market conditions.
Cost Factors in Billings, Montana
What Affects Pricing
- Materials ($1.80-$4.05 per square foot)
- Labor ($1.40-$3.15 per square foot)
- Supplies & Other ($4-$9 per square foot)
- Equipment & Disposal ($4-$9 per square foot)
Local Price Adjustments
Material costs4.0% below avg
Labor costsAt national average
Frequently Asked Questions
References
- Modified Bitumen Roof: 2026 Cost | The Roofing Brief, The Roofing Brief, retrieved Nov 2026
- Modified Bitumen Roofing Cost | Rooflio, Rooflio, retrieved Nov 2026
- Modified Bitumen Roofing Cost Guide | Well Built Florida, Well Built Florida, retrieved Nov 2026
- Modified Bitumen Roofing Guide | Roofr, Roofr, 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
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