We understand that buying a roof is a major decision. We aim to empower you with clear roofing cost information so you can budget confidently for your project.
Last Updated: July 24, 2026
Replacing a roof is one of the largest investments most property owners make. This guide explains what affects roofing costs, how common systems such as asphalt shingles, metal, tile, stone-coated steel, and flat roofing compare, and what to expect over the long term for durability and maintenance.
Our goal is to give you a clear understanding of roofing prices so you can plan confidently and choose the right system for your home. Pricing on this page provides estimated figures for the Billings and Bozeman, Montana markets. These figures are based on the April 15, 2026 pricing guide and have been adjusted downward by 2%.
Roofing costs have risen significantly in recent years. Materials increased by approximately 10% to 20% in 2021, 8% to 12% in 2022, and approximately 4% to 7% annually from 2023 through 2025. Prices vary by property, contractor, and market, but these ranges provide a useful ballpark estimate.
To help you understand roofing costs clearly, this guide covers:
Asphalt shingle roofing costs
Premium roofing system costs, including tile, metal, synthetic, and slate
Flat roof replacement costs
Roof ventilation upgrade costs
Gutter system costs
Snow and ice protection system costs
Long-term roof ownership costs
Frequently asked questions
Before comparing roofing materials, it is important to understand the factors that influence the total cost of a roof replacement.
Roofing is typically priced per square. One roofing square equals 100 square feet of roof surface.
Steep slopes, multiple valleys, dormers, skylights, and other architectural details increase labor time and installation difficulty.
Roofing systems vary significantly in price because of material costs, installation requirements, durability, and expected lifespan.
Older roofs may require decking repairs, structural adjustments, or the removal of multiple existing roofing layers before installation can begin.
When evaluating roofing costs, consider both the material cost and the cost of complete installation. These figures can vary considerably depending on the complexity of the roof and the roofing material selected.
Asphalt shingles are the most common residential roofing material in North America, covering approximately 75% of homes. They provide strong performance, an attractive appearance, and excellent overall value.
Below are typical installed price ranges per square, as well as estimated costs for a 30-square roof. A 30-square roof contains approximately 3,000 square feet of roof surface and represents a common roof size in the area.
| Manufacturer and Model | Hail Rating Class | Average Installed Price Per Square | Estimated Cost for a 30-Square Roof |
|---|---|---|---|
| Owens Corning Oakridge | Class 3 | $573.30 to $588 | $17,640 |
| Owens Corning Duration | Class 3 | $637 to $715.40 | $21,462 |
| Owens Corning Duration Storm IR | Class 4 | $686 to $784 | $23,520 |
| Owens Corning Duration Flex IR | Class 4 | $735 to $808.50 | $24,255 |
| CertainTeed Presidential | Class 3 | $980 to $1,176 | $35,280 |
| CertainTeed Presidential IR | Class 4 | $710.50 to $1,127 | $33,810 |
Roofing “standard packages” can vary widely between contractors. It is important to confirm exactly what is included in each estimate.
Some estimates may not include permits, delivery fees, decking replacement, or work involving skylights, swamp coolers, chimneys, vents, and other roof penetrations.
Homeowners should also review the shingle manufacturer, product specifications, contractor workmanship warranty, and available manufacturer warranty coverage.
Many homeowners spend an additional $4,900 or more on related work such as gutters, skylight updates, electrical adjustments, decking replacement, or other exterior improvements discovered during the project.
Impact-resistant shingles are particularly popular in Montana because they provide improved hail resistance and may qualify homeowners for insurance discounts. Eligibility and discount amounts depend on the insurance carrier and policy.
Higher-end roofing materials may provide longer lifespans, increased durability, improved impact resistance, and a distinctive architectural appearance.
| Roofing System | Hail Rating Class | Average Installed Price Per Square | Estimated Cost for a 30-Square Roof |
| Concrete Tile Roofing | Class 4 | $1,249.50 | $37,485 |
| Stone-Coated Steel, Direct to Deck | Class 4 | $1,249.50 | $37,485 |
| Stone-Coated Steel, Batten Mounted | Class 4 | $1,347.50 | $40,425 |
| Standing Seam Metal, 1.5-Inch Snap Lock | Class 4 | $1,323 | $39,690 |
| Exposed Fastener Metal, ProPanel | Class 3 to 4 | $1,617 | $48,510 |
| Cedar Shake Wood Roofing | Class 3 | $2,156 | $64,680 |
| Natural Slate Roofing | Class 4 | $2,254 | $67,620 |
Slate roofing is one of the longest-lasting roofing systems available. The structure must be evaluated to determine whether it can safely support the weight of natural slate or other heavy roofing materials.
Synthetic roofing products replicate the appearance of natural slate or cedar while offering lighter weight and improved durability.
Some products, such as EuroShield, are marketed as providing exceptional impact protection for hail-prone environments.
| Manufacturer and Model | Hail Rating Class | Average Installed Price Per Square | Estimated Cost for a 30-Square Roof |
| DaVinci Synthetic Roofing | Class 4 | $1,960 | $58,800 |
| Brava Synthetic Roofing | Class 4 | $2,107 | $63,210 |
| EuroShield Rubber Roofing | Class 4 | $2,254 | $67,620 |
EuroShield rubber roofing is manufactured using recycled rubber materials and is designed to provide strong impact resistance.
Low-slope and flat roofs require specialized waterproofing systems and installation techniques.
| Roofing System | Hail Rating Class | Average Installed Price Per Square | Estimated Cost for a 30-Square Roof |
| EPDM Roofing | Typically Unrated | $1,323 | $39,690 |
| PVC Roofing | Typically Class 4 | $1,372 | $41,160 |
| Modified Bitumen Roofing | Typically Class 3 to 4 | $735 | $22,050 |
Flat roofing costs can vary significantly depending on the roof slope and drainage design. Proper slope is often created through a tapered insulation system.
Pricing is also affected by whether the membrane is fully adhered or mechanically fastened. The number of penetrations, roof details, drainage components, and rooftop mechanical units can also significantly affect the final cost.
Proper attic ventilation is essential for roof longevity, moisture control, and energy efficiency.
| Type of Ventilation | Approximate Price With a Roof | Approximate Standalone Retail Cost |
| Solar Attic Fan | $979.02 | $2,327.50 |
| Electric Attic Fan | $857.50 | $2,205 |
| Gable Attic Fan | $3,430 | $3,430 |
Solar attic fans provide solar-powered ventilation that can help reduce attic heat without increasing electricity usage. Pricing depends primarily on the roofing material and installation complexity.
Electric attic fans provide powered ventilation and typically require hardwired electrical service. The need for a licensed electrician increases the installation cost.
Gable attic fans are installed in an exterior gable wall. Pricing depends on electrical requirements, installation access, wall construction, and existing ventilation conditions.
Many roof replacement projects also include gutter replacement or upgrades.
| Size | Material | Average Price Per Linear Foot | Average Gutter System Cost |
| 5 Inch | Aluminum Gutters | $12.15 | $2,695 |
| 6 Inch | Aluminum Gutters | $15.29 | $3,363.36 |
| 5 Inch | Steel Gutters | $11.27 | $2,479.40 |
| 6 Inch | Steel Gutters | $14.21 | $3,126.20 |
| 5 Inch | Copper Gutters | $39.20 | $8,624 |
| 6 Inch | Copper Gutters | $44.10 | $9,702 |
| 2x3 | Downspouts | $11.76 | Not Applicable |
| 3x4 | Downspouts | $11.76 | Not Applicable |
Actual gutter pricing depends on the total linear footage, number of stories, downspout configuration, roof access, gutter profile, material thickness, and the number of corners.
Homes in Billings and Bozeman often require additional snow and ice protection because of winter weather, roof configuration, and the potential for snow accumulation.
| Measurement | Material or System | Average Installed Price | Average System Cost |
| Each | Snow Guards | Approximately $29.40 each | $343 to $1,470 |
| Per Linear Foot | High-End Heat Cable System | Approximately $25.48 per linear foot | $7,840 to $14,700 |
| Per Linear Foot | Standard Heat Cable | Approximately $10.78 per linear foot | $3,430 to $5,880 |
Snow-retention and heat-cable systems should be designed for the specific roof material, roof pitch, drainage layout, snow-load conditions, and areas where falling snow or ice could create a hazard.
Excel Roofing also provides professional gutter cleaning services.
| Service | Home Type | Fixed Price |
| Gutter Cleaning | One-Story Home | $293.02 |
| Gutter Cleaning | Two-Story Home | $391.02 |
| Gutter Cleaning | Three-Story Home | $489.02 |
Pricing may vary for unusually large homes, difficult access, excessive debris, gutter guards, detached structures, or properties requiring specialized equipment.
When choosing a roofing material, it is important to consider long-term performance rather than focusing only on the initial installation price.
Factors affecting long-term ownership costs include:
Roof lifespan
Maintenance requirements
Repair frequency
Energy efficiency
Insurance benefits
Resistance to hail, wind, snow, and severe weather
Some materials cost less upfront but require earlier replacement or more frequent repairs. Premium roofing systems may provide longer lifespans and lower lifetime ownership costs.
Most asphalt roof replacements typically range from $637 to $808.50 per square installed, depending on the roofing product, roof complexity, access, tear-off requirements, and underlying structural conditions.
Premium roofing systems such as tile, metal, synthetic roofing, and slate can range from approximately $1,176 to more than $1,960 per square installed.
Natural slate, metal roofing, and tile roofing systems typically provide some of the longest service lives. Depending on the material, installation quality, maintenance, and weather exposure, these systems may last 50 to 100 years.
Products engineered or marketed for extreme impact resistance, such as EuroShield roofing, can be strong options for Montana properties.
Impact-resistant asphalt shingles, standing seam metal, stone-coated steel, and rubber roofing systems generally provide stronger hail performance than basic roofing products.
No roof is completely immune to damage under every hail condition. Homeowners should review the product’s impact rating, manufacturer warranty, installation requirements, and insurance eligibility.
Standing seam metal roofing and Class 4 impact-resistant asphalt shingles are two of the most popular options for Montana homes.
Metal roofing is highly durable, sheds snow efficiently, and performs well against ice buildup and strong winds. Class 4 asphalt shingles are generally more affordable while still providing strong protection against hail, wind, snow, and temperature changes.
The best option depends on your budget, the slope and structure of your roof, your home’s location, and how long you plan to remain in the property.
Metal roofing generally lasts longer and handles snow, ice, wind, and temperature changes extremely well. It also sheds snow more quickly than asphalt shingles.
However, metal roofing costs considerably more upfront. Impact-resistant asphalt shingles provide a more affordable option and can still perform well in Montana’s climate when properly installed with adequate ventilation, underlayment, and ice protection.
Steel siding, fiber-cement siding, and engineered wood siding are typically stronger against hail and wind than standard vinyl siding.
Steel siding offers excellent impact and wind resistance. Fiber-cement products, including James Hardie siding, provide strong durability and fire resistance. Engineered wood products, such as LP SmartSide, offer impact resistance with the appearance of traditional wood.
The correct installation method is just as important as the siding material. Improper fastening, flashing, and sealing can cause even premium siding products to fail.
Repeated freezing and thawing can cause roofing and siding materials to expand and contract. Over time, this movement can loosen fasteners, separate seams, crack sealants, and allow moisture behind the exterior system.
Proper flashing, ventilation, waterproof underlayment, expansion gaps, and manufacturer-approved installation methods help protect the home from freeze-thaw damage.
Yes. Higher elevations can expose roofing and siding materials to stronger ultraviolet radiation.
UV exposure can dry out asphalt shingles, fade siding, weaken some sealants, and accelerate surface deterioration. Homeowners should select materials with strong UV resistance and manufacturer warranties that cover fading or premature deterioration.
Most homeowners insurance policies cover sudden damage caused by hail and wind. Coverage may apply to roofing, siding, gutters, windows, and other exterior components.
However, coverage depends on the policy, deductible, roof age, exclusions, and whether the insurance carrier determines that the damage was caused by a covered storm rather than normal wear and tear.
Homeowners should review their policy and speak directly with their insurance carrier before assuming that a repair or replacement will be covered.
You can contact a reputable roofing contractor first to inspect the property and document visible damage before filing a claim.
A professional inspection can help determine whether the damage appears significant enough to justify contacting your insurance company. The contractor cannot approve or deny coverage, but they can provide photographs, measurements, and an assessment of the roof, siding, and gutters.
Avoid contractors who pressure you into filing a claim before completing a thorough inspection.
Some insurance carriers offer discounts for Class 4 impact-resistant roofing systems. The amount varies significantly by carrier, policy, location, and roofing product.
Homeowners should contact their insurance provider before selecting a roofing material. Ask whether the specific manufacturer and product qualify for a discount and whether documentation will be required after installation.
A Class 4 rating improves impact resistance, but it does not mean the roof is completely hail-proof.
Ice dams form when heat escaping from the home melts snow on the roof. The water runs toward the colder eaves, refreezes, and creates a barrier that can force water underneath the roofing system.
Ice-dam prevention may include:
Heat cables can help in certain areas, but they should not be used as a substitute for proper insulation and ventilation.
Yes. New siding can improve energy efficiency when it is combined with continuous exterior insulation, proper house wrap, sealed penetrations, and correctly installed flashing.
Rigid foam insulation installed beneath new siding can reduce thermal bridging through wall studs and help limit heat loss during Montana’s long heating season.
Siding alone usually provides limited insulation value. The complete wall assembly determines the actual energy-efficiency improvement.
Roofing permit requirements depend on the property location, project scope, structural changes, and the rules in effect when the work is performed.
A permit may be required for full roof replacement, structural repairs, major decking replacement, or changes to the roofing system. Requirements may also differ between Billings, Bozeman, Yellowstone County, Gallatin County, and surrounding jurisdictions.
Homeowners and contractors should verify current requirements directly with the local building department before beginning work.
The cost depends on the roof size, pitch, accessibility, number of layers being removed, material selected, ventilation requirements, decking condition, and architectural complexity.
A basic asphalt shingle roof may cost approximately $9,000 to $18,000 or more. Larger, steeper, or more complicated roofs can cost substantially more.
Metal, tile, synthetic, stone-coated steel, and slate roofing systems usually cost significantly more than standard asphalt shingles.
The most accurate way to determine cost is through an onsite inspection and detailed written estimate.
Labor rates, material availability, transportation expenses, permit requirements, housing values, contractor availability, and local demand can all affect pricing.
Bozeman projects may cost more because of higher labor and operating expenses, while Billings pricing may be affected by storm demand, travel distances, and product availability.
Homeowners should compare the materials, warranties, installation details, and exclusions in each estimate rather than selecting a contractor based only on the lowest price.
Some roofing and siding work can be completed during winter, but cold temperatures create additional installation challenges.
Asphalt shingles may not seal properly in extremely cold conditions without special handling. Sealants, adhesives, membranes, paint, and siding products may also have minimum installation temperatures.
Emergency repairs can often be completed during winter. Full replacements should only proceed when the contractor can follow the manufacturer’s cold-weather requirements and maintain safe working conditions.
Many asphalt shingle roofs can be replaced within one to three working days. Larger or more complex projects may take longer.
Metal, tile, synthetic, slate, and low-slope roofing systems generally require more installation time. Weather delays, structural repairs, material availability, inspections, and winter conditions can also affect the schedule.
A detailed estimate should clearly identify:
Avoid estimates that only provide a total price without explaining the materials, installation system, warranties, and potential additional charges.
Sorting through the cost of a new roof can feel overwhelming. That is exactly why we created this guide.
Our goal is to provide a clear and realistic understanding of the factors influencing roofing prices so you can plan your project with confidence. From material costs to long-term performance and ownership, we want to help you understand the complete picture and select the roofing system that makes the most sense for your home and budget.
Excel Roofing has helped homeowners and property owners protect their buildings since 1993. With more than 55,000 roofing projects completed across Colorado and Wyoming, our team brings decades of experience with asphalt shingles, tile, metal, flat roofing, and high-impact roofing systems designed for demanding Rocky Mountain weather conditions.
When you are ready to discuss your project, our team can inspect your roof, explain the available options, and help you determine the right solution for your property.
Author: Henry Bretz, Vice President
Page Updated: July 24, 2026