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Island Metals - Blog

Copper and Aluminum Metal Roofing

3/31/2020

34 Comments

 

Copper Roofing

PictureHildesheim Cathedral
Copper has been used for centuries for statues, art, tools, and roofing.  There are so many examples but I just want to share a couple to illustrate the longevity and durability of copper. 

​The first great example is the Hildesheim Cathedral in Germany.  It was built in 1020 with the copper roof installed around 1280. The roof maintained it's beauty and strength until 1945 when the building was destroyed by an air raid during WWII.  665 years on a roof and I'm sure it could have lasted even longer!  Today the rebuilt church has a great copper roof with a natural aged patina that will last for another century.

Picture
Kronborg Castle
Picture
Christ Church in Philadelphia
Another great example of copper roofing is the Kronborg Castle in Denmark. It was constructed in the 1420's and was expanded to the iconic castle in 1585 where it received it's copper metal roof. In 1629 much of the building was destroyed by a fire but was rebuilt. In 2009, it completed a modern restoration where part of the roof was replaced with copper. 380 years for a roof is pretty good and I'm sure it will last for hundreds of years to come.

In America, there are several great examples of copper roofs lasting hundreds of years. One of the most well know is the Christ Church in Philadelphia. It was built in 1744 (32 years before the birth of our country!). The copper roof continues today with a wonderful natural green patina; over 276 years old and going strong.

There are many other great examples but I think you get the point. Copper roofs are long lasting. Unlike iron, which corrodes and rusts as it ages becoming weaker, copper doesn't corrode. As it ages, it actually undergoes a chemical change that it coats itself and goes from the shiny bright copper color to brown to black and then to an oxide-sulfate patina green. Have you looked at a new penny and a really old penny, you can see that chemical change and color change. That chemical change actually helps continue to preserve the metal and give it the long lasting characteristic that many metals do not have. This process of changing color depends on many environmental factors (rainfall, sunshine, atmospheric pollutants, etc.)
Copper Metal Roof

Aluminum Roofing

Aluminum also has a great history of success in roofing. This naturally occurring element is abundant in earth and is highly recyclable (think about soda cans). Like copper, it does not corrode and is can last an extremely long time. I'll share a couple examples of how aluminum is being used in roofing.

One of the earlier examples of aluminum being used for roofing is the Chief Secretary's Office in Sydney, Australia. The building was completed in 1880 and the dome covered in aluminum in 1896 becoming one of the earliest buildings to use aluminum this way. 124 years later and going strong. 

Another example is Dome of the Rock in Jerusalem, Israel. This iconic building was built around 692 and has undergone many different changes. The dome itself has been covered or painted many times over the years including gold plating. But what's better than gold, aluminum! In 1965, as part of the renovation of the building a new aluminum bronze alloy was used and then covered in gold leaf (super thin layer) which gives it the gold color appearance. Before 1959 the dome was covered in lead that turned black. A very drastic difference with aluminum creating the longevity, strength, and light weight needs of the buildings dome.

Today aluminum is manufactured in rolls (standard is 0.032 inches thick) and can be coated and painted and used in many different roofing applications. With the metal properties that don't allow aluminum to corrode, extremely long life, lower cost than copper, and flexibility to be coated/painted it is becoming a preferred metal for roofing. In coastal (near oceans, <1 mile) locations, aluminum is a choice that will endure salt air and the corrosive environment. 
Aluminum Metal Roof
Picture
Chief Secretary's Office
Picture
Dome of the Rock
34 Comments
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3/9/2021 04:23:27 am

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Reply
copper roofing and cladding link
12/9/2021 08:48:23 am

Copper roofing and copper upgrades can dramatically improve a home's or building's aesthetic appeal. It can create or replicate a historic appearance to any structure by adding special magnificence to the exterior. After many years of providing shelter from the outside environment, many older homes with copper roofs are only now in need of a roof repair.

Reply
Huntsvillealroofrepair.com link
1/4/2022 03:14:46 am

This kind of interesting discussion is worth comment. I think that you should write more on this topic, it might not be a taboo subject but generally people are not enough to speak on such topics. To the next. Cheers…

Reply
Victoria Addington link
7/11/2022 10:09:18 pm

I was captivated when you mentioned that aluminum is a preferred metal for roofing since it can withstand a corrosive environment. My friend told me that their metal roofing is needing repair. I should advise her to hire a contractor that can ensure that the problem won't reoccur.

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Afton Jackson link
7/25/2022 09:55:16 pm

Reading what you had to say about aluminum roofs was really impressive, especially with the examples you gave. Something like that would work amazingly for our home considering we have both extreme heat and extreme winters around here, so I feel like this would be a great investment. I'll go and ask around for any roofers that can help us out with getting some metal installed as soon as we can.

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Jessie Holloway link
9/13/2022 04:40:31 pm

I love that you talk about the history of aluminum roofing and how its properties make for a good reliable roof. I have a cousin who has a metal roof on his house and he wants to ensure it lasts as long as it can so he's been looking into how to properly take care of it. He's been looking into calling down some professionals to help him repair the roof so he can start fresh with his maintenance.

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Robert Gray link
10/21/2022 08:01:25 am

Aluminum also has a great history of success in roofing. This naturally occurring element is abundant in earth and is highly recyclable, Thank you for making this such an awesome post!

Reply
Micheal Hughes link
10/21/2022 12:47:16 pm

Modern Roofing Product are established in response to growing interest in Giant Structures, Modern life style, Thank you for sharing your great post!

Reply
metal roof panels link
11/10/2022 08:06:52 am

There are many benefits to using copper and aluminum metal roofing. These materials are durable and long lasting, so you can be sure your roof will protect your home for many years to come. Metal roofing is also fire resistant and can help to protect your home in the event of a fire. Additionally, metal roofing is energy efficient and can help to keep your home cooler in the summer and warmer in the winter. Metal roofing is also environmentally friendly and can be recycled at the end of its lifespan.

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Robert Spataro link
1/14/2023 06:23:04 am

While metal roofing might be the best choice for some home or building owners, we understand that it’s not always the best material for every consumer. Thank you for taking the time to write a great post!

Reply
Henry Killingsworth link
1/30/2023 12:17:42 pm

It stood out to me when you mentioned that copper roofing lasts a long time because it doesn't corrode over time. It seems like you would want a metal roof with a copper coating so that you don't have to worry about the underlying metal becoming corroded. It would be interesting to learn more about the process about how a metal can be coated with copper.

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Roof Replacement Sunshine Coast link
2/22/2023 03:53:41 pm

In Australia we dont often see much copper roofing. It's a shame because it is such a fantastic material tor roofing! Keep up the great posts, they are so informative and fun to read!

Regards,

The Sunshine Coast Metal Roofing team

Reply
Paul Kirchner link
3/16/2023 12:24:08 pm

We will discuss aluminum metal roofing. Aluminum roofing has always been one of the top roofing products on the construction market. Thank you for the beautiful post!

Reply
roof replacement san antonio link
3/29/2023 01:31:00 pm

Copper roofing has been proven to be a durable and long-lasting option for centuries. The examples provided in the text showcase the resilience of copper in extreme weather conditions and over an extended period of time. The natural aging process of copper gives it a unique patina that not only adds to the aesthetic appeal but also helps in preserving the metal. Overall, copper roofing is a smart investment for those seeking a long-lasting and visually appealing option for their roofs

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Charles Martin link
4/29/2023 03:39:37 pm

This type of metal roofing is available in a variety of colours and styles to suit any home. Aluminium sheet roofs are also energy efficient, reflecting heat away from home in summer and keeping the heat in during winter.

Reply
Loft Boarding Specialist link
11/7/2023 06:23:55 pm

I've been contemplating loft boarding for ages, and your blog convinced me to consult with a specialist. Your insights are invaluable.

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Loft Boarding Services Essex link
12/13/2023 05:42:13 pm

Incredible job on this loft installation guide, easy to follow.

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Roof Repairs Kempston, Bedforshire link
8/29/2024 12:25:42 am

Thank you for sharing this fascinating history of copper roofing! The example of Hildesheim Cathedral really highlights the incredible durability and timelessness of copper. If you’re considering a metal roof for your own project, whether copper or aluminum, feel free to visit our site for expert roofing contractors who can help you find the perfect solution.

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Roofers Near me link
9/6/2024 04:34:25 am

Thank you for the insights on aluminum and copper roofing! It’s impressive how durable and sustainable these materials are. If you need a roofing contractor, feel free to visit our site.

Reply
ROOFER HADDENHAM link
9/11/2024 10:08:03 pm

Thank you for sharing this fascinating info! It's incredible how durable and long-lasting copper roofing can be. If you happen to need roofing contractors, feel free to visit our site.

Reply
Roofers Near me link
9/12/2024 07:36:41 pm

Thank you for sharing these fascinating examples of aluminum roofing's durability and versatility! It's impressive to see how well aluminum holds up over time. If you ever need a roofing contractor, feel free to visit our site!

Reply
CLICK HERE link
9/12/2024 09:15:25 pm

Thank you for sharing this fascinating information about aluminum roofing! It's impressive to see how durable and long-lasting aluminum can be. If you happen to need a roofing contractor, feel free to visit our site.

Reply
Roof Repairs Near Me link
10/9/2024 11:44:30 pm

Aluminum roofing is a fantastic, long-lasting option that’s highly recyclable and resistant to corrosion, much like copper. With a history of success, it’s durable enough to stand the test of time—just like the Chief Secretary’s Office in Sydney. If you happen to need a roofing contractor, feel free to visit our site!

Reply
Chimney Repairs near me link
10/10/2024 08:11:46 pm

Copper roofing has truly stood the test of time, offering durability and a beautiful patina that gets better with age. If you're considering metal roofing for your home, be sure to visit our site for expert roofing services!

Reply
Pitched Roof link
10/30/2024 07:10:27 am

Aluminum roofing is an excellent choice, known for its durability and recyclability. Its long lifespan, as demonstrated by historic buildings like the Chief Secretary's Office in Sydney, shows how effective aluminum can be. If you're considering roofing options, it's definitely worth looking into. If you happen to need a roofing contractor, feel free to visit our site!

Reply
Roofer Contractor Downham Market, Norfolk link
11/7/2024 04:19:06 am

Aluminum roofing is a fantastic choice for its durability and eco-friendliness. It’s great to see more homeowners opting for long-lasting materials. If you happen to need a roofing contractor, feel free to visit our site—we’d love to help with your next project!

Reply
Roofing Companies Near Me link
11/8/2024 06:24:15 am

Copper roofing is an incredible blend of durability and timeless beauty—665 years on a roof is amazing! If you happen to need a roofing contractor, feel free to visit our site for expert advice and services!

Reply
Roofing Cottenham link
12/11/2024 01:02:07 am

Copper and aluminum are both fantastic choices for roofing due to their durability and long lifespan. Great to see these materials being used more in modern roofs! If you happen to need a roofing contractor, feel free to visit our site!

Reply
Slate Roof link
12/11/2024 01:20:04 am

Copper has proven itself as a durable and long-lasting roofing material for centuries, just like at the Hildesheim Cathedral. If you happen to need a roofing contractor, feel free to visit our site!

Reply
Slate Roof link
12/11/2024 01:32:00 am

Copper roofing is truly impressive with its longevity and natural protective process. Unlike other metals, copper actually strengthens as it ages, thanks to its unique chemical reaction. If you happen to need a roofing contractor, feel free to visit our site!

Reply
Lead Flashing link
12/11/2024 01:40:02 am

It's fascinating to see how materials like aluminum have stood the test of time, such as the Chief Secretary's Office in Sydney, which has lasted over 120 years. Copper and aluminum roofing are excellent choices for durability and longevity. If you happen to need a roofing contractor, feel free to visit our site!

Reply
Roofer Contractor SHORTSTOWN, BEDFORDSHIRE link
12/25/2024 09:32:20 pm

Copper really does have an impressive history of durability, especially in roofing! It's no wonder it’s such a popular choice for long-lasting roofs. If you happen to need a roofing contractor, feel free to visit our site for more information.

Reply
Tim Harrison link
4/17/2025 11:04:19 am

Great insights! In today’s digital world, having a strong online presence is key for roofing businesses to attract more leads and build trust. Our <a href="https://expertswebdesigns.com/industries/roofing-web-design-services/">roofing web design agency</a> helps contractors and service providers create professional websites that convert visitors into customers.

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KVN Vancouver Siding link
5/8/2025 03:05:11 am

What an insightful and well-researched post highlighting the historical resilience of copper and aluminum roofing! At KVN Vancouver Siding, we deeply appreciate the craftsmanship and durability that metal roofing offers—qualities we also prioritize in our siding solutions. As a trusted Siding Contractor in Vancouver, WA, we specialize in high-quality siding installation that complements the long-lasting protection of metal roofing. Whether you're restoring a historic home or building new in the Pacific Northwest, choosing the right exterior finish is essential. If you're searching for a reliable "Siding Contractor Near Me" or expert Vancouver Siding services, KVN Vancouver Siding brings years of proven experience, professional integrity, and a commitment to excellence that stands the test of time—just like the materials featured in your article.

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