Can You Put Solar Panels on a Metal Roof? Pros & Cons

TLDR:
Yes, you can put solar panels on a metal roof—and in many cases, it’s actually the best combination for long-term performance and energy efficiency. Metal roofs offer durability, compatibility with various mounting systems, and environmental benefits, though there are some important considerations like roof type and noise control.

Can You Put Solar Panels on a Metal Roof?

Absolutely. Installing solar panels on a metal roof is not only possible—it’s often ideal. The strength, longevity, and reflective qualities of metal roofs make them a smart partner for solar systems, especially when installed by experienced professionals like Amish Roofer.

Why Metal Roofs Are Ideal for Solar Panels

• Durability & Longevity
  Metal roofs can last 40 to 70 years, far outlasting the average 25–30 year lifespan of most solar panels. This ensures your solar array won’t outlive your roof—avoiding expensive future reinstallations.
  
  
• Structural Strength & Load Capacity
  Most metal roofs are structurally stronger than asphalt or tile, easily supporting the weight of solar panels without significant reinforcement.
  
  
• Energy Efficiency & Eco Benefits
  Metal reflects sunlight, keeping your attic cooler and increasing your home’s energy efficiency. Combined with solar, this creates a powerful renewable synergy.
  Bonus: Metal roofing is often made from recycled materials and can be recycled again after its lifespan—making your entire roofing + solar setup more sustainable.
  
  
• Environmental Impact
  According to the U.S. Department of Energy, reflective metal roofs can reduce cooling costs by 10–25%. That means less energy consumption and a lower carbon footprint for your home.
  

Best Types of Metal Roofs for Solar Panel Installation

Standing Seam Metal Roofs

• Most recommended for solar—especially when you compare roofing types, as they allow clamp-on mounting systems (no holes or roof penetrations)
  
  
• Allow clamp-on mounting systems (no holes or roof penetrations)
  
  
• Fast installation with reduced leak risks
  
  
• Ideal for thin-film and traditional solar panels
  
  

Corrugated Metal & Exposed Fastener Roofs

• Require penetrative mounts with proper waterproof sealing
  
  
• More labor-intensive, but still fully compatible
  
  
• Use corrugated racking systems and flashing to prevent water damage
  
  

Metal Shingles or Tile-Style Roofs

• Installation requires specialized tile replacement mounts
  
  
• May take more time and skill but still viable with proper planning
  
  

Additional Mounting Options

• Adhesive thin-film solar panels: Lightweight, flexible, and perfect for curved or low-load roofs
  
  
• DIY options exist, but always consult a pro to avoid voiding warranties or damaging your roof

What Types of Solar Panels Work Best on Metal Roofs?

Monocrystalline Panels

• Highest efficiency
  
  
• Great for homeowners with limited roof space
  
  
• Longer lifespan, sleek black appearance
  
  

Polycrystalline Panels

• Slightly less efficient
  
  
• Lower cost per watt (typically $2.80–$3.00/W installed)
  
  
• Best for larger roofs where space isn’t an issue
  
  

Thin-Film Solar Panels

• Ideal for standing seam metal roofs
  
  
• Attach with adhesives, no clamps or penetrations needed
  
  
• Cost-effective ($2.00–$3.00/W)
  
  
• Lightweight—minimizing structural concerns
  

Advantages of Installing Solar Panels on Metal Roofs

• Metal roofs often outlast the solar panels themselves
  
  
• No-penetration mounting systems help reduce potential leak issues
  
  
• Panels provide shade, improving roof lifespan
  
  
• Reflectivity of metal enhances cooling and solar efficiency
  
  
• Qualifies for Federal Solar Tax Credit (30%)
  
  
• Environmentally friendly materials and reduced carbon emissions
  
  
• Compatible with net-metering and most local utility programs

Potential Drawbacks and What to Consider

Higher Initial Costs

• Metal roofs can be more expensive upfront
  
  
• Combine with solar installation = a bigger starting investment
  
  
• Long-term savings usually outweigh this
  
  

Noise Concerns

• Rain or hail on metal roofs can be louder
  
  
• Solution: Add insulation or underlayment during panel install
  
  

Mounting Challenges on Non-Seam Roofs

• Corrugated or tile-style roofs may need drilling
  
  
• Important to use proper flashing and sealing to avoid leaks
  
  

Reflectivity Trade-Off

• Solar panels can block the “cooling” effect of reflective metal
  
  
• Offset this by insulating attic space or installing ridge vents
  
  

HOA & Permit Issues

• Some neighborhoods require solar approval
  
  
• Amish Roofer helps navigate local code, permitting, and HOA guidelines

How to Install Solar Panels on a Metal Roof

• Roof Inspection
  
  Check for wear, corrosion, or other red flags before beginning
  Hire a structural engineer if needed
  
  
• Choose the Right Mounting System
  
  
• Standing seam? Use clamp-on
  
  
• Corrugated? Use sealed penetrating mounts
  
  
• Tile-style? Use replacement mounts
  
  
• Permit and HOA Approval
  
  Follow local building codes
  Amish Roofer will assist with paperwork and coordination
  
  
• Solar System Design
  
  Choose panel type, layout, inverter size, and battery backup (if any)
  
  
• Installation Day
  
  Professional team mounts, wires, and tests the system
  
  
• Final Inspection & Commissioning
  
  Includes safety check, net-metering setup, and final approvals
  
  
• Maintenance Plan
  
  Keep panels clean and monitor output. A metal roof requires little upkeep

FAQs

Can you install panels on a metal roof without holes?

Yes—standing seam roofs allow clamp-on systems that require no drilling.

How long will my metal roof last compared to panels?

Metal roofs often last 40–70 years. Most solar panels last 25–30 years.

Will solar panels make my metal roof noisier?

They can—but proper underlayment or attic insulation helps dampen sound.

Are thin-film panels worth it for metal roofs?

They’re a great option for fast installs or curved roofs, though they’re less efficient than monocrystalline panels.