If you’ve been researching roofing materials, it’s likely you have already heard about the long-lasting nature of metal roofs. These roofing systems have grown popular because they promise longevity and minimal upkeep. But exactly how long can we expect a metal roof to last? Several factors play into this, including type of metal, climate, and maintenance.
With different types of metal roofing systems out there, we’ll discuss the lifespan of each, but to get started, let’s talk about the average life expectancy of metal roofs.
What Is the Average Lifespan of a Metal Roof?
On average, metal roofs have an impressive lifespan of about 50 to 70 years, easily outlasting many traditional roofing materials. Metals, even when not used in roofing, are pretty solid and weather-resistant, allowing them to last longer than other materials.
This tends to make them the better option when they’re compared to other roofing materials such as asphalt shingles, which typically only last 20 to 30 years, while wood shingles hold up for around 20 to 25 years.
While they may not last as long as materials such as clay tiles, which last as long as 50 to 100 years, metal roofs still tend to win out with superior durability, fewer maintenance needs, and lighter environmental impact due to recyclability and energy efficiency.
Lifespan by Metal Roof Type
Like asphalt shingles, there are several variations of metal available for roofs, which you’ll have to choose from, including options such as steel, aluminum, copper, zinc, and tin. Yes, all of them last long, but each has different characteristics, prices, and, of course, a different lifespan.
Knowing how long each metal roof lasts helps you select the material best suited to your home’s needs and budget.
Steel Roofing (40 to 70 Years)
Steel roofs, while traditionally prone to corrosion, have improved over time with options such as galvanized or Galvalume. These offer a dependable lifespan of about 40 to 70 years.
Galvanized steel has a robust zinc coating that effectively protects against corrosion, enhancing steel durability. Galvalume is also an advanced variant of steel where the metal roofing panels are coated with a unique blend of aluminum, zinc, and silicon. This makes it even more rust-resistant and offers superior performance in harsh conditions.
Both types of coating greatly impact longevity but Galvalume generally lasts longer in comparison.
Aluminum Roofing (50 to 70 Years)
For most homeowners, metal roofs mean aluminum roofs, creating a comparison between aluminum and steel roofing systems. Both metals offer excellent durability, but aluminum stands out in certain areas. Aluminum roofing typically lasts between 50 to 70 years, depending on the coating and environmental factors.
One of aluminum’s greatest advantages is its resistance to corrosion, especially in areas with high humidity or frequent rainfall. In Oklahoma’s climate, aluminum’s resistance to rust is valued for handling temperature fluctuations well and maintaining its appearance over time. Additionally, aluminum is lightweight and offers high reflectivity, which can help reduce cooling costs by reflecting heat away from the home.
Copper Roofing (70 to 100 Years)
Copper metal roofs beat out aluminum and steel roofs, in terms of both lifespan and price. When we’re looking for longevity, copper is the best you can get. Copper roofs have a lifespan of 70 to 100 years or more, making it a material for the century.
Copper’s durability is exceptional thanks to its natural ability to develop a protective patina over time, shielding it from corrosion and weathering. Apart from durability that is second to none, the appearance of these roofing systems offers undeniable charm. The distinctive patina we talked about gives your copper roof a greenish-blue hue as time goes on, adding further character and elegance to any home.
Copper maintenance couldn’t be simpler, since it rarely requires upkeep beyond periodic inspections to catch minor issues early. However, the cost of copper is considerably higher compared to other types of metal.
Zinc Roofing (70 to 100 Years)
When longevity matters most, zinc delivers exceptional performance with a lifespan ranging from 70 to 100 years or more.
What makes a zinc roof impressive is its durability and self-healing properties. With these roofs, minor scratches and damage are naturally repaired, significantly reducing the amount of maintenance needed.
While the cost of a zinc roof is initially higher compared to other metal roofs, its extended lifespan and minimal ongoing upkeep make it an attractive option. Since zinc resists corrosion exceptionally well, it’s particularly suitable for harsh climates.
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Standing Seam vs. Corrugated: Which Lasts Longer?
If you’re looking to replace your roofing system, you don’t just want to consider the type of metal you’re purchasing, but the style of roof you’re installing as well.
Standing seam metal roofs typically last 50 to 60 years. This is considerably longer than corrugated roofs, which average 40 to 50 years. The key difference lies in weather resistance, as standing seam roofs have concealed fasteners, reducing leaks and the risk of corrosion.
Corrugated metal roofs have exposed fasteners, requiring frequent inspections and maintenance. To compare costs, corrugated roofs are more affordable upfront but demand regular upkeep, resealing, and repainting every 10 to 15 years.
Factors That Affect the Lifespan of a Metal Roof
It’s not just about style and type of metal. Although metal roofs are known for their impressive durability, several factors can either shorten or extend their lifespan. Let us look at some of the factors:
Material Quality
The type of metal used on your roof matters. As we discussed in the above section, several metals are used, and each of their lifespans is different. High-quality metals with good protective coatings last longer than cheaper options, and while they might cost more at first, they resist rust and damage better over time.
Environmental Conditions
Where you live affects how long your metal roof lasts. For example, in Oklahoma, where tornadoes and rainstorms are common, your metal roof will come face to face with a lot.
Sunlight can also wear down the metal roof’s protective coating over time, allowing for corrosion and other forms of damage to take place.
Quality Of Installation
How well your roof is installed makes a big difference. Not only do the panels or metal shingles need to be installed properly, but everything from the flashing to sealant needs to be done correctly. Poor installation can lead to leaks, rust, and early roof failure, which is why we always tell our readers to hire skilled installers (like us).
Maintenance Practices
Regular roof maintenance extends the lifespan of the roof. Clearing debris, fixing small problems quickly, and occasionally cleaning it, prevents damage. If they’re neglected, these roofs often develop issues that could have been avoided.
Roof Design
The design of your roof affects how well it handles water and debris. Proper slopes, drainage systems, and ventilation prevent water buildup and moisture problems that can damage metal roofing panels.
Maximize the Lifespan of Your Metal Roof With Proper Roof Maintenance
Yes, metal roofs do last long, but to get the most out of your metal roof, it’s important to stay proactive with regular maintenance and inspections. Once you install your new metal roof in your Oklahoma home, take care of the following:
Conduct Seasonal Inspections
Perform inspections at least twice a year to catch any issues early. Look for loose fasteners, scratches, signs of corrosion, or damage from weather or debris. By handling these problems as soon as you find them, you’ll be able to address and handle them before they potentially shorten the lifespan of your roof.
Also Read: Spring Roof Inspection Guide
Clean Your Roof Regularly
Cleaning your roof is an essential part of maintenance. Use gentle techniques such as a mild detergent and soft bristle brush to remove debris, dirt, and contaminants. Be sure to rinse thoroughly to prevent soap residue and ensure the surface is clean and protected from potential corrosion.
Apply Protective Coatings as Needed
If the original coating on your metal roof starts to wear down or becomes scratched, it’s important to apply a protective coating as soon as possible. This helps prevent rust and corrosion, which can lead to more significant damage and shorten the roof’s lifespan.
Install Your New Metal Roof The Right Way With Oklahoma’s Leading Metal Roofing Contractor!
Metal roofs are long lasting, but they need to be installed correctly. This is where our team can be of immense help to you. At A. Fricker Roofing and Waterproofing, our team is well prepared to help you find the metal roofing system you need.
With some basic care and a bit of vigilance, the metal roof we install will stick around long enough to protect generations of homeowners.
Contact us today at (918) 402-7167 and get started with your metal roofing project today.
