Introduction: Choosing the Right Metal Roof for Your Home
When investing in a metal roof, one of the most critical decisions is choosing between steel and aluminum. Both materials offer durability, energy efficiency, and aesthetic appeal, but they have unique properties that make them suitable for different environments and needs.
At Indiana Metal Roofing Systems, located in Fort Wayne, IN, we prioritize quality craftsmanship, top-tier materials, and customer satisfaction. With an A+ BBB rating and a 5-star Google rating, we ensure that every homeowner gets the best roofing solution without high-pressure sales tactics. But which metal roofing material is right for you? Let’s break it down.

Steel Roofing: Strength and Affordability
Durability and Protection
Steel is widely used in residential and commercial metal roofing due to its high strength and resistance to extreme weather conditions. It is available in different thicknesses (gauges), with 24-26 gauge steel being the most common for homes.
Corrosion Resistance
Steel roofing is coated with galvanized (zinc) or Galvalume (aluminum and zinc) layers to prevent rust.
Galvanized steel protects against rust but may degrade faster in coastal environments.
Galvalume steel offers 3X better rust protection than standard galvanized steel, making it a preferred choice.
Affordability and Cost-Effectiveness
One of the biggest advantages of steel roofing is its cost. It is up to 20% cheaper than aluminum, making it an attractive option for budget-conscious homeowners.
Fire Resistance
Steel roofs are naturally fire-resistant and can achieve a Class A fire rating without additional underlayment. This makes them an ideal choice in wildfire-prone areas.
Weight and Structural Considerations
Steel is heavier than aluminum, weighing around 1.5 lbs per square foot. While this makes it sturdy, it may require additional support in retrofit installations.
Aluminum Roofing: Lightweight and Corrosion-Resistant
Superior Corrosion Resistance
Aluminum naturally resists corrosion, making it the best choice for coastal homes or areas with high humidity. Unlike steel, aluminum does not require additional coatings to prevent rust.
Lightweight and Easy to Install
Aluminum is lighter than steel, which makes installation easier and reduces the structural load on a building. This is particularly beneficial for homes with older structures.
Energy Efficiency and Cooling Benefits
Aluminum reflects sunlight and releases heat quickly, helping to keep your home cooler in summer. Its high strength-to-weight ratio makes it a top choice in modern construction.
Aesthetic Versatility
Aluminum is more malleable than steel, allowing for complex roof designs. It comes in a variety of colors and finishes, including premium Kynar PVDF coatings, which offer additional protection and long-lasting beauty.
Cost Considerations
Aluminum is generally 20% more expensive than steel, but its durability and corrosion resistance can lead to lower maintenance costs over time.
Steel vs. Aluminum: Which One Should You Choose?
Feature | Steel Roofing | Aluminum Roofing |
Cost | More affordable | More expensive |
Weight | Heavier (1.5 lbs/sq ft) | Lightweight |
Corrosion Resistance | Needs protective coating | Naturally rust-resistant |
Strength | Higher strength | Malleable but slightly softer |
Fire Resistance | Class A rating | Needs underlayment for Class A |
Best For | Inland areas, budget-conscious buyers | Coastal homes, modern designs |
Final Verdict
Choose steel if you want a budget-friendly, strong, and fire-resistant roof.
Choose aluminum if you live near the coast or want a lightweight, highly corrosion-resistant roof.
FAQs About Steel and Aluminum Roofing
1. Does a metal roof make my home hotter?
No! Both steel and aluminum roofs reflect sunlight and help regulate indoor temperatures, reducing cooling costs.
2. How long do metal roofs last?
With proper maintenance, both steel and aluminum roofs can last 40-70 years, far exceeding traditional asphalt shingles.
3. Can I install a metal roof over my existing shingles?
Yes! Metal roofs are lightweight and can often be installed over old shingles, saving you time and money on removal.
Get the Best Metal Roofing in Indiana!
Choosing the right metal roofing material depends on your location, budget, and personal preferences. At Indiana Metal Roofing Systems, we offer top-quality steel and aluminum roofing solutions with industry-leading financing options.
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