How Long Does a Metal Roof Last Compared to Asphalt Shingles?
March 28, 2025
When it comes to choosing a roofing material, longevity is one of the most important factors to consider. Investing in a roof is a significant expense, so understanding how long it will last can help you make a more informed decision and save money in the long run. Among the most popular options, metal roofs and asphalt shingles offer two very different lifespans, maintenance requirements, and aesthetic appeals.
This article compares the durability of metal roofs and asphalt shingles, looking at factors like lifespan, required upkeep, environmental considerations, and cost-effectiveness. Whether you’re building a new home or replacing an old roof, you’ll find all the insights you need here.
The Lifespan of Metal Roofs vs. Asphalt Shingles
Metal Roofs
Metal roofs are renowned for their durability and exceptional lifespan. Most metal roofing systems have a lifespan ranging from 40 to 70 years, depending on the material and installation quality. Some premium materials, such as copper or zinc, can last over a century if properly maintained.
The longevity of metal roofs is largely due to their resistance to environmental stressors, including:
- Weather Resistance: Metal roofs can withstand high winds, heavy rain, and even hail. They are also fire-resistant, adding an extra layer of safety.
- Corrosion Resistance (for treated metals): Steel roofs are often coated with protective layers of galvanization and paint to prevent rust and corrosion.
Key Considerations for Metal Roofing Longevity:
- Material Selection: Aluminum and copper materials are naturally resistant to corrosion, while steel requires protective coatings like galvanization.
- Proper Installation: A poorly installed roof may allow for water leaks, which can lead to structural issues over time.
- Maintenance: While minimal, routine inspections and addressing minor damage promptly extend the roof’s lifespan.
Asphalt Shingles
On the other hand, asphalt shingles are the most common roofing material in residential construction, mostly due to their affordability and ease of installation. However, asphalt shingles typically last 15 to 30 years, depending on the type and quality of the shingles.
These shingles aren’t as resistant to weather damage as metal roofs, leading to a shorter lifespan. Harsh environmental conditions, such as extreme heat, heavy snowfall, or storms, can significantly shorten their durability. Asphalt shingles are also more prone to algae growth, curling, or cracking over time.
Key Considerations for Asphalt Roofing Longevity:
- Shingle Quality: Architectural shingles tend to last longer (20–30 years) compared to cheaper 3-tab shingles, which may only last 10–15 years.
- Climate: Shingles in areas with extreme weather conditions, such as frequent storms or intense UV exposure, tend to degrade faster.
- Maintenance: Regular maintenance is essential to prevent issues like leaks or premature wear.
Maintenance Requirements for Both Roofing Options
One major difference between metal roofs and asphalt shingles is the level of maintenance required.
Metal Roofs
Metal roofing requires minimal upkeep. Routine inspections are typically enough to ensure the roof remains in excellent condition. Tasks may include:
- Removing leaves or debris that could trap moisture.
- Verifying flashings and seals around vents and chimneys are intact.
- Touching up paint on coated metal roofs if there’s any chipping.
Because metal roofs are highly durable, they rarely need repairs unless damaged by severe weather or improper installation.
Asphalt Shingles
Compared to metal roofs, asphalt shingles demand more regular attention:
- Inspecting for and replacing damaged or missing shingles after storms.
- Cleaning moss, mold, or algae growth to maintain aesthetic appeal.
- Fixing leaks or cracks promptly to avoid costly repairs.
While asphalt shingles are less durable than metal roofs, proper maintenance can prevent significant damage and extend their lifespan.
Cost and Value Considerations
Deciding between a metal roof and asphalt shingles also boils down to cost. Below is a breakdown of initial installation costs, repair expenses, and long-term value.
Initial Costs
- Metal Roofs tend to have higher upfront costs, ranging from $8 to $16 per square foot. Premium materials like copper will cost even more.
- Asphalt Shingles, however, are much more affordable to install, costing between $3 and $8 per square foot.
Although the initial price tag for a metal roof is steeper, many homeowners view it as an investment due to its long lifespan and minimal maintenance needs.
Long-Term Cost-Effectiveness
Over the long haul, metal roofs offer better value:
- They require fewer repairs and replacements compared to asphalt shingles.
- Their durability means once you install a metal roof, you may not need another roof replacement in your lifetime.
On the other hand, asphalt shingles will typically require replacement every 15 to 30 years, increasing your costs significantly over time.
Environmental Impact
Both options have different environmental footprints you may want to consider.
Metal Roofs
Metal roofs are highly sustainable:
- Many are made from recyclable materials, and they can also be fully recycled at the end of their lifespan.
- Their reflective nature enhances energy efficiency by reducing cooling costs in hot climates.
Asphalt Shingles
Unfortunately, asphalt shingles are less environmentally friendly:
- They are typically made from petroleum-based materials, which are not renewable.
- Most asphalt shingles end up in landfills after being replaced, contributing to waste.
For eco-conscious homeowners, metal roofs are the clear winner.
Aesthetic Appeal and Design Options
Both metal roofs and asphalt shingles come in various styles, but they cater to different design preferences:
- Metal Roofs can provide a modern, sleek appearance and come in various colors, finishes, and profiles.
- Asphalt Shingles are more traditional and often feature a textured look to resemble wood or slate.
Your choice will depend on your home’s architectural style and personal taste.
Final Thoughts — The Clear Winner Depends on Your Needs
When comparing metal roofs vs. asphalt shingles, the right choice ultimately depends on your priorities. If you’re looking for:
- Longevity with minimal maintenance, go for a metal roof.
- Affordability upfront, asphalt shingles are a better fit.
Regardless of which one you choose, proper installation and maintenance play a critical role in extending your roof’s lifespan and ensuring your investment pays off.
Looking to explore more about long-lasting and cost-effective roofing options? Reach out to one of our experts for personalized recommendations!
We serve the following cities and surrounding areas Buchanan, Tallapoosa, Bremen, Dallas, Hiram, Lithia Springs, Douglasville, Acworth, Kennesaw, Marietta, Mableton, Smyrna, Austell, Carrollton, Temple, Villa Rica, Bowdon, Whitesburg and Roopville Georgia.
Roofing, Residential Roofing, Roofing Repair, Commercial Roofing
Douglas County Roofing - Douglasville
Douglasville, GA 30135
678-672-6692
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