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Everything you need to know about corrugated metal roofing before purchasing

Nov 24

Corrugated panels are a type of metal roofing that offers excellent durability and low costs.

Although corrugated metal roofers are certainly worth considering, you should also consider the costs and drawbacks before making any purchase.

Corrugations have unique patterns such as "S" or "wavy", which are often associated with metal sheets. Higher-strength will be achieved with a deeper corrugation.

Corrugated metal panels are available in sizes 7/8, 34", 12" and 14". You can find corrugated metal panels in sizes 7/8", 34", 12", or 14". All of them provide the same performance.

What is the cost of a corrugated metal roof?

Prices for corrugated metal roofing panels vary depending on their material. A full corrugated roof can cost from $6,800 up to $25,000,000.

In order to determine the amount of corrugated steel that you will require, keep in mind that panels made from corrugated material are slightly overlapped by their installers to seal seams. Panel coverage will be smaller than its outward width.

Metal roofing with corrugated edges.

This is what corrugated steel manufacturers call the "covering" or the "covering of the panel." Professional roofers should consider this.

Do you plan to do it yourself? Add your roof's area and the panel covering width to calculate the number of panels you need for your project.

Use our roofing calculator to quickly obtain a price quote for a corrugated steel roof.

There are many factors that affect the price of corrugated metal roofing.

Roof installation costs depend on the pitch and complexity, location, and whether you hire a professional.

The type and thickness of the metal used in construction can have an impact on the project costs.

  • Different types of corrugated metal roofing

Roof strength is determined by the metal used. Premium materials such as copper and zinc are also available.

The durability of metal roofing depends on its installation, maintenance, and environmental factors. Copper and zinc last an average of 30 to 50 years, while aluminum and steel can last up to 80 years.

Galvanized steel

Galvanized steel can also be called zinc-coated steel or galvanized. Galvanized steel is durable and can be easily broken down, depending on the thickness of its zinc coating. This information is indicated by a manufacturer-specific "coating weight". Exposed steel can rust quickly so it is worth investing in thicker galvanized coats to make your roof last longer. You will have to pay more for other materials like galvalume or stainless steel. However, they rust much slower than galvanized steel.


Aluminum is another option that can be cost-effective. Aluminum is resistant to rust and therefore ideal for humid, coastal environments.

Aluminum is lighter and more durable than steel, making it an ideal choice for replacing an old roof.


Copper is beautiful but can be costly. Copper has a 100-year life expectancy, which is comparable to roofing materials. It turns a beautiful blue-green color after being exposed for a while.

The thickness in the metal

Thicker sheets of metal are more expensive. You'll get more strength for your money.

Roofs that do not have structural sheathings, such as on pole barn and post-frame structures, may require thicker panels. These cases will be handled by panels on the thin side.

Corrugated metal roofing has many disadvantages.

For roofs, corrugated metal roofing is a good choice. It's more cost-effective than aluminum and galvanized steel, and it is also durable.

Corrugated steel roofing can leak if not properly installed.

  • Leakage potential

The biggest problem with corrugated metal roofing is the seams and fasteners that are between panels. These are the areas where water can leak.

Even though seams are properly sealed and screws are driven properly, temperatures can change and cause screws to become loosening and water to enter the system.

Fashion can be a complicated business.

  • A roof that looks like a barn

There are strong arguments for both corrugated metal roofing and exposed fastener options.


  • While corrugated metal roofing is not the most expensive, it's still very affordable.

Asphalt shingles are a great option if you want to lower your roofing costs. They are more durable and less likely to be damaged.