Metal Roof vs. Asphalt Shingles: Which Costs Less Over Time?

When choosing a roofing system, one factor often gets most of the attention:

Upfront cost.

And on upfront cost alone, asphalt shingles usually have the advantage.

But contractors, builders, architects, and property owners making a long-term roofing decision should consider a bigger question:

What will the roof cost over the life of the building?

A roofing system that costs less to install today may need to be replaced sooner. A system with a higher initial investment may provide decades of additional service, fewer replacement cycles, and lower maintenance exposure.

Understanding the difference between initial price and lifecycle value can lead to a very different roofing decision.

Metal Roof vs. Asphalt Shingles: What Are the Key Differences?

Both metal roofing and asphalt shingles can be effective roofing solutions. The right choice depends on the project, budget, climate, expected ownership period, and performance requirements.

Here is a high-level comparison:

FactorMetal RoofingAsphalt Shingles
Initial CostHigherLower
Typical Service LifeOften 40–70 years*Often 15–30 years*
Replacement CyclesPotentially fewerPotentially more
MaintenanceGenerally lowModerate over time
Fire PerformanceNoncombustible materialVaries by product/system
Wind & Weather ResistanceStrong when properly specified and installedVaries by product and installation
Energy PerformanceReflective coatings/colors availableVaries by shingle type/color
Architectural OptionsBroad profiles, colors and finishesBroad styles and colors
Upfront Budget AdvantageLowerHigher

*Actual service life varies based on product, installation, climate, maintenance, roof design, and environmental conditions.

The basic tradeoff is straightforward:

Asphalt generally costs less upfront. Metal generally offers greater longevity and long-term performance.

That is why comparing the price of the first roof doesn’t tell the whole story.

How Long Does a Metal Roof Last Compared With Asphalt Shingles?

Quality metal roofing systems can often provide 40–70 years of service, depending on the material, coating, installation, climate, and maintenance.

Asphalt shingle roofs commonly have expected service lives in the 15–30 year range, although premium products and favorable conditions may extend that lifespan.

The difference becomes important when you consider a building expected to remain in service for 40 or 50 years.

An asphalt roof may need to be replaced one or more times during that period.

A properly designed, installed, and maintained metal roof may remain in service for much—or potentially all—of the same ownership period.

That changes the financial equation.

The Financial Impact: Think Beyond the Cost of the First Roof

Consider two hypothetical roofing choices.

Roof A costs less initially but has an expected service life of 20–25 years.

Roof B costs more initially but has the potential to provide 40–70 years of service.

If the building is owned for 50 years, Roof A may require another complete roofing project—and potentially more than one depending on actual service life.

That future roof involves more than buying new materials.

Potential costs include:

  • New roofing materials
  • Labor
  • Removal of the existing roof
  • Disposal costs
  • Equipment and project mobilization
  • Potential disruption to occupants or business operations

And that replacement will occur at future material and labor prices, not today’s prices.

This is why contractors and property owners should consider lifecycle cost, not simply the initial installed price.

What Does the Roof Cost Per Year of Service?

One useful way to evaluate roofing options is to consider the approximate cost per year of expected service.

For example, a roof with a lower initial price may appear to be the obvious financial choice. But if it must be replaced during the building’s ownership period, the cumulative cost can change significantly.

Conversely, paying more upfront for a longer-lasting roof does not automatically make metal less expensive. The outcome depends on initial cost, actual service life, maintenance, future replacement costs, and how long the property will be owned.

The key is to compare:

First cost + maintenance + potential replacement costs over the expected ownership period.

That provides a more complete picture of value.

What Other Factors Affect Long-Term Roofing Costs?

Replacement cycles are only part of the equation.

Maintenance and Durability

Every roof requires inspection and maintenance.

Over time, asphalt shingles can experience granule loss, cracking, curling, wind damage, or missing shingles. Metal roofing is designed for long-term durability and generally requires relatively low routine maintenance when properly installed.

Metal is not maintenance-free, however. Flashings, sealants, penetrations, fasteners where applicable, drainage systems, and other components should still be periodically inspected.

Weather and Fire Performance

Location matters.

For projects in areas exposed to high winds, wildfire risk, heavy rain, snow, or intense sun, roofing performance can have long-term financial implications.

Metal roofing is noncombustible and properly designed metal roof assemblies can provide strong wind and weather resistance. Actual performance depends on the complete roofing system, attachment method, installation, testing, and local building requirements.

Energy Performance

Metal roofing can incorporate reflective finishes and coatings designed to reflect solar energy.

Depending on roof color, coating, insulation, ventilation, climate, and building design, this may help reduce roof heat gain and contribute to improved building energy performance.

Actual energy savings vary by project, but energy performance is another consideration when evaluating a roof over decades rather than simply comparing purchase prices.

When Does Asphalt Roofing Make Sense?

Metal isn’t automatically the right answer for every project.

Asphalt shingles may be the better choice when:

  • Minimizing initial project cost is the primary objective
  • Long-term ownership is not expected
  • Budget constraints outweigh lifecycle considerations
  • The project or architectural style favors shingles

A quality asphalt roof that is properly specified and installed can provide good performance.

The question isn’t whether asphalt is a good or bad roofing material.

The better question is:

Which roofing system provides the right combination of cost, performance, and expected service life for this project?

When Does Metal Roofing Make Sense?

Metal roofing becomes particularly compelling when a project prioritizes:

  • Long service life
  • Fewer potential replacement cycles
  • Durability and weather performance
  • Lower maintenance exposure
  • Architectural flexibility
  • Energy-conscious design
  • Long-term building ownership

Metal roofing also offers a wide range of profiles, colors, coatings, and design possibilities, making it suitable for residential, commercial, agricultural, and architectural applications.

For these projects, the higher initial investment should be considered in the context of decades of potential performance.

The Bottom Line: Look Beyond the First Roof

When comparing metal roofing with asphalt shingles, the initial estimate is only the beginning.

Ask:

  • How long will the building be owned?
  • How many roof replacements could be required during that period?
  • What might future labor, material, tear-off, and disposal costs add?
  • How important are durability, maintenance, weather performance, and architectural flexibility?

Asphalt shingles generally offer the lower initial investment. Metal roofing generally requires more upfront but can offer substantially longer service life and fewer potential replacement cycles.

The lowest-cost roof to install today isn’t necessarily the lowest-cost roof to own.

For contractors, builders, architects, and property owners, the better decision starts by considering both first cost and lifetime value.

Frequently Asked Questions

Is a metal roof more expensive than asphalt shingles?

Generally, yes. Metal roofing typically requires a higher initial investment than asphalt shingles. However, the long-term comparison should also consider expected service life, maintenance, and potential future roof replacements.

How long does a metal roof last compared with asphalt shingles?

Metal roofing systems can often provide 40–70 years of service, while asphalt shingles commonly provide approximately 15–30 years. Actual lifespan varies significantly based on material, installation quality, climate, maintenance, and other conditions.

Is a metal roof worth the higher upfront cost?

It can be, particularly for buildings expected to be owned for many years or projects prioritizing durability, fewer replacement cycles, weather performance, and architectural flexibility. The best choice depends on the specific project’s budget, ownership horizon, and performance requirements.

Planning a Metal Roofing Project?

Custom-Bilt Metals provides premium metal roofing systems, custom fabrication, architectural solutions, and local expertise to support projects throughout the Western United States.

Talk with a Custom-Bilt Metals representative about the right roofing solution for your next project.

Contact Us