How long does a metal roof last on a house?

Q: How long does a metal roof last on a house?

Metal roofs last 40-70+ years depending on material type, coating quality, and installation workmanship. Homeowners investing in metal roofing gain exceptional longevity. This lifespan far exceeds traditional asphalt shingle options.

Written By: Stephanie Vanderbilt, Owner

Reviewed By: Coastal Windows & Exteriors

Last updated: September 7, 2026

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A metal roof lasts 40 to 70+ years, depending on material type, coating quality, and installation workmanship. Coastal Windows & Exteriors is a woman-owned exterior remodeling company and GAF Master Elite roofing contractor with 7,000+ installations completed since 2011, serving 730+ towns across Massachusetts, New Hampshire and Maine with long-lasting roofing systems.

Homeowners investing in metal roofing gain exceptional longevity that far exceeds traditional asphalt shingle options.

Here’s what affects metal roof longevity:

Material Type: Steel roofs with quality coatings last 40-60 years. Aluminum resists corrosion and lasts 50-70 years.
Installation Quality: Proper fastening, flashing, and sealing determine whether roofs achieve rated lifespans. Poor installation causes premature failures regardless of material quality. Working with experienced roofing contractors ensures proper installation that maximizes metal roof lifespan.
Climate Factors: Metal handles freeze-thaw cycles and snow loads well. Coastal salt air can accelerate corrosion on unprotected steel. Aluminum suits coastal locations better.
Maintenance Level: Metal roofs need minimal maintenance compared to shingles. Occasional inspection and fastener tightening extends lifespan further. Debris removal prevents moisture traps.
Ventilation Importance: Proper attic ventilation prevents condensation that can affect underlayment. Metal itself doesn’t rot, but trapped moisture damages other components.

Metal Roof Longevity Recommendations

Best Overall: Metal roofing provides best long-term value for homeowners planning to stay decades.
Best for Longevity: Aluminum or copper for maximum lifespan with minimal maintenance requirements.
Key Insight: Higher upfront cost spreads across 50+ years of service. Per-year cost often beats shingles.

Request a free roofing estimate from Coastal Windows & Exteriors.

Browse our complete roofing FAQ guide from Coastal Windows & Exteriors.

Explore our Roofing Exterior Remodeling Home Improvement Help Center.

Still have questions about how long does a metal roof last on a house? See the areas we serve and talk to your local roofing contractor.

Last Updated: July 2026

Sources:

A metal roof costs an average of $56,282 in New England. JLC Online Cost vs. Value 2025 – New England, JLC Online’s regional cost and return-on-investment data for exterior remodeling projects in New England. (2026)
Metal roofing returns approximately 50% of its cost at resale. JLC Online Cost vs. Value 2025, JLC Online’s national cost vs. value report providing ROI benchmarks for common remodeling projects. (2026)
Metal roofs can deliver significant energy savings compared to asphalt shingles. Oak Ridge National Laboratory Metal Roof Energy Efficiency Study, Oak Ridge National Laboratory’s research on the thermal performance and energy efficiency benefits of metal roofing systems. (2013)

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