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Steel vs. Aluminum Roofs: A Detailed Comparison For Your Next Project

Posted on January 22, 2025

Estimated Reading Time : 6 Min.

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steel vs aluminum roof

Metal is a very popular material option for homeowners who are looking to replace their roofs. After all, metal roofing systems last longer and are much more durable than traditional roofing shingles. 

If you have also decided to install a new metal roof, then you will not be disappointed with your choice. However, these roofs are pretty versatile and are available in several metal options, used for both roof panels and shingles. Two of the most commonly used options are steel and aluminum. 

Each has unique advantages, and understanding the differences can help you make the best decision for your home.

At A. Fricker Roofing and Waterproofing, we’ve guided countless homeowners through their decision on the right roofing material, and today, we’re here to walk you through the choice between steel and aluminum roofing options. 

Steel Roofs: An Overview 

Steel roof

For years, steel has always been associated with excellent strength and quality, making it a standout option for metal roofing systems. 

It’s a favorite for many homeowners because of its unmatched strength and durability. Over the years, there have been many tremendous changes to their manufacturing, leading to options such as Galvalume® and galvanized steel. 

Here’s what makes them shine:

Durability and Strength

Steel is one of the toughest roofing materials available. It can handle severe weather conditions like hailstorms, high winds, and even the weight of heavy snow without failing. If your area experiences extreme weather, especially extreme winter weather, a steel roof might be the best option for you.

Longevity

A steel roof can last 40 to 70 years, depending on the type and quality of the finish. While traditional roofing options like asphalt shingles break down quickly, steel doesn’t, making it an excellent long-term investment.

Environmentally Friendly

Steel is often made from recycled materials and it’s 100% recyclable at the end of its life. This makes it a great choice if sustainability is important to you.

Style Options

Steel roofs come in a variety of styles, colors, and finishes. From sleek, modern designs to traditional looks that mimic shingles or tiles, steel offers plenty of different options.

Best For:

  • Areas with heavy snow or extreme weather
  • Homeowners looking for a long-lasting, low-maintenance roof
  • Those who prioritize environmental sustainability

Aluminum Roofs: Overview and Benefits

Aluminum roof

Aluminum is a durable yet lightweight metal that has immense capabilities. One way it stands out from other materials is that it does not rust, but these roofs provide several other advantages as well. Let’s take a closer look:

Rust Resistance

Unlike steel, aluminum naturally resists rust and corrosion. This makes it an excellent choice for homes in coastal areas or regions with high humidity.

Lightweight

Aluminum is lighter when it’s compared to steel. This reduces the weight of your home’s structure, which can be a big plus for older homes or those with less robust frameworks.

Energy Efficiency

Aluminum roofs reflect sunlight, helping to keep your home cooler in the summer. This can reduce your energy bills and make your home more comfortable.

Versatility

Aluminum is easy to shape and install, and like steel, it comes in a wide range of styles and colors.

Best For:

  • Homes near the coast, or those in humid climates
  • Those looking for a lightweight roofing material
  • Homeowners seeking high energy efficiency

Also Read: Metal Roof Pros and Cons To Know Before Replacement

Metal Roof Showdown: Steel vs. Aluminum

Now that we have discussed both steel and aluminum metal roofs and the advantages of choosing each for your home, it’s time to move on to compare how the two are different.

Durability 

Steel is widely recognized for its exceptional strength. Its hardness allows it to withstand severe weather conditions like hail, heavy snow, and high winds without denting or warping. This durability is a significant advantage for homeowners in areas prone to extreme weather events.

However, while aluminum is also durable, it’s naturally softer than steel. This softness makes it more susceptible to denting, especially during hailstorms or if tree branches fall on the roof.

Weight

One of aluminum’s standout qualities is its lightweight nature. Steel, on the other hand, is heavier. To put this into perspective, for a 2,000-square-foot roof, galvanized steel panels will weigh around 1,500 to 2,000 pounds while an aluminum roof would only weigh around 1,000 to 1,200 pounds.

While this might seem like a drawback, the added weight provides greater stability in areas that receive high winds. 

Also Read: A Guide To Cutting Your Metal Roof Panels

Corrosion Resistance

This is where aluminum metal roofs outshine steel by a significant margin. Aluminum naturally resists rust and corrosion due to its oxide layer, making it an excellent choice for homes near the coast, or those in humid climates. 

Steel, on the other hand, requires protective coatings to guard against rust. Coated metal or galvanized steel roofs can resist corrosion effectively, but they need periodic touch-ups to ensure the coating remains intact. 

Cost

This is one of the most impactful factors for many. With its enhanced durability, the cost of a metal roofing system is higher compared to other material options. Each metal ranges in price as well, making aluminum the more expensive option. For homeowners on a budget, options such as steel are preferred since it’s typically the more affordable upfront due to its widespread availability and manufacturing process, making it an economical choice for homeowners on a budget.

Curb Appeal

Both steel and aluminum roofing materials offer a wide range of styles, colors, and finishes, allowing homeowners to customize their roofs to match their home’s design.

However, aluminum is lighter and more malleable, making it easier to shape into intricate designs. This makes it particularly appealing for homeowners seeking unique or complex roof profiles.

Environmental Impact

Both steel and aluminum are highly recyclable, making them environmentally friendly choices. However, steel roofs are often made from a higher percentage of recycled materials, which reduces the environmental footprint during production. 

Aluminum, while also recyclable, has a slightly higher environmental cost in its initial production.

Here are the differences between steel and aluminum roofs summarized:

CategorySteel RoofsAluminum Roofs
DurabilityHarder, stronger, more resistant to extreme weather (hail, heavy snow)Softer, more prone to denting under impact
WeightHeavier, adds more stability in high windsLighter, easier to install, less taxing on structure
Corrosion ResistanceTraditional steel roofs are prone to rust. However, Galvalume steel roofs are resistant due to additional coatings  Naturally resistant to corrosion, ideal for salty or humid environments
CostMore affordable in terms of material costs, but higher long-term maintenance in some areasMore expensive upfront, but lower maintenance in corrosive environments
AestheticsOffers a range of styles and finishes, but is less flexible in complex designsMore versatile in design due to lighter weight, providing greater customization potential
Environmental ImpactMade with a higher percentage of recycled materials, generally has a smaller footprint during productionAlso recyclable, but aluminum production tends to have a higher environmental impact
InstallationHeavier, may require more labor and equipment for installationLighter, easier to install, often less labor-intensive

Choosing the Right Metal Roof for Your Home

Now that you know the key differences, how do you decide between steel and aluminum? Here are a few things to consider:

  • Climate: If you live near the coast or in a humid area, aluminum is the clear winner between the two since it’s rust-resistant. In areas with heavy snow or strong winds, steel’s strength makes it a better option.
  • Budget: Steel roofs are typically more affordable upfront. However, consider long-term costs like maintenance and energy savings when weighing your options.
  • Aesthetic Preferences: Both materials offer stylish options, but aluminium’s flexibility allows for more intricate designs.
  • Lifespan Needs: If you’re looking for a long-term roofing solution, both steel and aluminum fit basic needs, but steel tends to last longer in harsh conditions.

Made A Decision? Continue Your Metal Roof Installation With Premier Roofing Experts! 

Choosing between a steel and aluminum roof can be a tough choice for some, but by having the right information you’ll be able to make a decision that fits your home, budget, and lifestyle. Steel roofs are tough, durable, and cost-effective, while aluminum roofs shine in coastal environments and offer lightweight versatility.

If you’re still unsure, don’t worry! At A. Fricker Roofing and Waterproofing, we’re here to help. We have the best roofing team in Oklahoma and install different types of metal roofs all over the state.

Our team of roofing experts can assess your home’s unique needs and guide you toward the perfect solution. Contact us today at (918) 402-7167  for a consultation — we’re always happy to help!

steel vs aluminum roof