Corrugated Metals Blog

Curved Metal Panels

Posted by Ken Carlton

Apr 19, 2021 11:03:33 AM

Did you know that in addition to roll forming corrugated metal we have the capability to curve corrugated sheets?

Utilizing advanced technology that makes it possible to create a wide range of contours and shapes from a vast selection of metal panels, we provide you with creative options for achieving dynamic and dramatic designs for roofs, walls, facades and other components for your building and structural projects.

Curved metal panels can modernize and transform the look of any building and give an ordinary structure landmark status. Uniquely designed canopies and covered walkways can provide an inviting entryway into retail establishments, and curved decking panels allow architects to add domed and arched ceilings to large public spaces and achieve the desired acoustical characteristics. The possibilities are almost limitless.


Profiles Available 2.67 x 1/2 2.67 x 7/8
Maximum Width 34" 39 1/8"
Maximum Length 25' 25'
Minimum Radius 1'3" 1'3"


At Corrugated Metals, we are committed to our craft and helping our customers transform ideas into reality. We maintain the highest standards of excellence and offer unparalleled customer service. Contact us today to learn more about how our experience and innovation can enhance your next project.

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Topics: roofing and siding, Steel, curving

Corrugated Metal Interior Application

Posted by Ken Carlton

Sep 8, 2016 9:40:58 AM

Traditionally, corrugated metal has been used as exterior cladding on buildings. 

However, cutting-edge interior design firms are utilizing corrugated metal in a wide variety of material types, profiles and applications. There are many good reasons to use corrugated metal for interior use, but among the most prevalent are a clean, sleek appearance, strength, product life-cycle, cost efficiency, and the ability to give interior spaces a unique appearance. 

The photo below illustrates the use of corrugated metal on a residential interior, which was designed by SCNZ Architects, New Orleans.

Contact CMI today for further information about uses of corrugated metal for interior design!

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Designed by SCNZ Architects, New Orleans.

CMI's 2.67 x 7/8" profile - 24 GA Galvalume Acrylic Coated Steel


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Topics: corrugated metals, Steel, Sinewave, Interior, 2.67 x 7/8

The Construction Industry’s Increased Use of Energy Efficient Building Materials

Posted by Ken Carlton

Apr 22, 2014 9:00:00 AM

galavnized-steel-box-providence-park-hospital-2As construction companies research and learn about new and innovative construction materials, the industry grows and evolves.  One of the biggest evolutions in today’s construction projects is the use of sustainable and more energy efficient building materials for both residential and commercial construction.

A part of the new interest in energy efficient and sustainable building materials has been a focus by many government levels on providing tax incentives to encourage the usage of these types of materials and components. 

Tax credits, rebates, and other incentives from the Federal and state governments has encouraged construction companies and architects to include purchases and installation of a variety of new and energy efficient materials.  Everything from efficient insulation and hot water systems to increased energy efficient windows, doors, siding, and roofing materials have all become critical to construction.

A Continuing Transformation

In addition to these incentives, the construction industry has undergone some transformation in its own view of working with these types of materials, components and systems.  This transformation has seen a greater inclusion of sustainable materials and a strengthening view that increasing energy efficiency in the design of new construction is beneficial to their company’s ongoing business and place in the construction market.

The Legislative Research Commission in their publication “Energy-efficient Building Design and Construction Practices” commented that, “The whole-building design approach integrates building design and siting, including the use of components that feature the latest in energy-efficient technologies and practices, evaluation of all building materials for environmental preference, and completion of a base-case analysis to understand design strategies that will have the greatest impact on the design for a particular building function. “

The report continues to describe how the whole-build approach includes both the architectural design combined with its energy design for a particular building.  “The capacity of mechanical and electrical systems can be minimized by incorporating passive solar technologies to help meet indoor space-conditioning requirements and lighting loads.

Building simulation software can guide decisions to achieve this strategy. All suggested design changes should be re-evaluated through simulation before implementation to ensure they will not detract from meeting building design goals.”

New Materials, Systems and Design Concepts

In addition to the tax incentives and this new approach to construction, there are new materials and systems that provide opportunities that are increasing the use of these materials.  As well, new innovative designs are taking a fresh look on how to utilize every aspect of a building’s construction to increase its overall energy efficiency.  Some of the new materials, systems, and design concepts include:

  1. Occupancy sensors for indoor and outdoor lighting to maintain energy efficiencies when actually needed.
  2. Electrochromic windows that instantly shade, when hit with direct UV rays reduces overall costs for running air conditioning in hot summer months.
  3. High performance insulation for flooring, exterior walls and roofs maintain a building’s heat in colder weather and also retains coolness when operating an A/C system in the summer.
  4. Utilization of metal roofing materials to reflect the sun’s hot rays to keep a building cool and reduce cooling expenses.
  5. Functional use of natural ventilation and ceiling fans to cool buildings to reduce the need for air conditioning.
  6. Application of light colored materials or paint for a building’s exterior, including roofs in order to reflect the sun’s rays and reduce overall cooling costs.

All of these efforts by the construction industry are focused on reducing the general energy use of a building.  The efforts focus on how to effectively and efficiently use energy, but also water and other resources. 

Included in the design are factors such as materials that will protect the people who occupy or work in a building.  And finally, the construction industry is also using these new methods in an attempt to reduce waste and promote better use of materials.

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Topics: Steel, aluminum, American Construction, energy efficiency,

The Benefits of Weathering Steel

Posted by Ken Carlton

Feb 24, 2014 7:39:00 AM

Rust is a phenomenon that most engineers seek to avoid, but is actually desirable in weathering steel. Also known as Corten steel, weathering steel is characterized by what the American Institute of Steel Construction (AISC) describes as “useful corrosion,” in which naturally occurring rust not only lengthens the lifecycle of a weathering steel structure, but also saves the time and money associated with painting and maintenance.  Rust on weathering steel sheets is not a sign of deterioration as with corrosive steel sheets; in fact, it is just the opposite.

Corten, which was trademarked by the United States Steel Corporation (USS), is the well-known brand name of weathering steel. Corten originally received the ASTM standard designation of A242, but is now recognized by the newer ASTM grade for steel sheets and coils, A606. Weathering steel was specifically developed with small amounts of copper, phosphorus, chromium, nickel and silicon. These materials allow Corten steel sheets to form a layer of rust when exposed to weather, excluding the need for paint.

weathered_steelInstead of ruining the metal, however, rust actually serves to protect Corten from further corrosion. Weathering steel sheets, which initially look rather unremarkable, form a protective barrier of rust when exposed to moisture and oxygen.   That barrier eventually seals the exposed Corten steel sheets against the very elements that caused them to rust in the first place. According to AISC, “this stable barrier layer greatly resists further corrosion, reducing it to a low value.”

Weathering steel is also conveniently high strength, low maintenance, and cost effective. The abundant benefits of weathering steel make Corten steel sheets ideal for structural and architectural applications such as bridges, roofing and open-framed buildings. Bridges built with Corten have been known to last up to 120 years with minimal maintenance, which involves regular inspections and cleaning. Because weathering steel does not require paint, builders can also avoid the health issues concerning volatile organic compounds found in certain paints.

The popularity of weathering steel may also be explained, in part, by its attractive appearance. Structures built with Corten steel sheets take on the reddish, orange color of rust. As the rust deepens with further exposure to the environment, the steel sheets develop a deep russet patina that many people find appealing. The unusual appearance of weathering steel was featured in the New York Times a few weeks before the Barclays Center, built with Corten, opened. Weathering steel structures, the article observed, “can look suspiciously unfinished to the casual observer, [yet] has many fans in the world of art and architecture.”

Corten steel has been well-received by a community of architects and design engineers because of its considerable benefits. Weathering steel has a proven ability to withstand use over the long term, while requiring minimal upkeep. Structures built with Corten steel sheets do not require paint, which is good for the environment and the bottom line. Weathering steel sheets also develop a patina of rust that does not harm the Corten, but rather beautifies it. Beautiful and practical, weathering steel is an excellent building material. 


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Topics: corrugated metals, Steel, Rust

How Steel Made the Modern World

Posted by Ken Carlton

Feb 10, 2014 7:39:00 AM

metal_structureHere is a hard-to-argue fact: Without steel there would be no modern industrial world. Though the art of steel making dates back to 4000 B.C., the steel we rely so heavily on today was made possible by the development of the Bessemer process in 1856 and the first usage of the galvanizing process in 1836. These groundbreaking scientific discoveries allowed for the production of large quantities of high-quality steel at lower costs. It also marked the beginning of a switch from iron to steel and, more importantly, the start of the Second Industrial Revolution.

As has been widely documented, this boom in steel production allowed for the creation of transcontinental railroads both in America and around the globe. The connecting of once remote lands via 30,000 miles of new rails also allowed for a new era in agriculture and manufacturing. As cities grew out of this transformation, steel also allowed for the creation of high-rise living and skyscraper-filled financial districts. It was and still is a wave of overwhelming change that has little match in the history of humanity. Other interesting facts about the birth and blossoming of the modern steel industry include:

  • 60% of the world’s steel is produced using the Basic Oxygen Steelmaking Process.
  • Worldwide steel production has more than tripled since 1943.
  • China is now the world leader in steel consumption with an amazing 623.9 million tons of steel per year. To put that number into perspective, the U.S. is second with 89.1 million tons.
  • One-quarter of an average computer is made of steel!
  • Steel has a great deal to do with the growth of modern medicine thanks to its role in surgical and hygienic safety equipment.
  • Steel is incredibly sustainable. Over 80% of steel products are recycled.

There is no way to overstate the importance of modern steel. Its amazing combination of strength, formability and versatility, allows steel, especially galvanized steel, to continue to build the world of the present and future.  If you want to learn more about the history of steel, you can always check out the website of our friends at the American Iron and Steel Institute (AISI). 

Download Our  Gauge Reference Chart for Uncoated Steel

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Topics: corrugated metals, Steel, AISI

Steel vs. Aluminum: What’s Right for Your Trailer?

Posted by Ken Carlton

Jan 14, 2014 8:37:00 AM

trailer_hauling_livestockHere’s a question that has been plaguing manufacturers for decades: Do you use steel or aluminum for your product? As you might imagine, the choice is critical on a wide range of levels. Issues like weight, strength, corrosion-resistance, carbon footprint and cost all play roles in deciding which direction to go. When it comes to trailers (the ones used to transport horses, cars, livestock and other products and materials) most of the industry’s leaders are fans of aluminum. So how did all the biggest names in trailers conclude that aluminum was far superior to steel for their products?

Corrugated Metals - Comparing Aluminum and Steel

While there are many factors involved when choosing between aluminum and steel, the following five factors stand out:

  • Weight - There isn’t much argument that aluminum weighs less than classic steel. While the price of a steel trailer might be lower when purchased, the second you get an aluminum trailer out of the road you instantly begin saving money. Whatever weight the steel adds to the trailer is pounds of cargo that you don’t carry.  This is especially a big deal to over-the-road truckers who must constantly battle with weight restrictions.
  • Strength - Don’t be fooled, modern aluminum is tough and strong. While it cannot match steel’s yield and ultimate strengths, aluminum can certainly hold its own. In addition, aluminum has a better strength-to-weight ratio.
  • Corrosion - In general, aluminum is much more corrosion resistant than regular steel. Some of the extremely expensive and difficult-to-work with stainless steels do offer excellent corrosion protection. However, they are heavy and absolutely cost prohibitive for use in trailers. 
  • Green Benefits - According to the Aluminum Association: “one pound of aluminum in place of 1.5 lbs. of steel in a typical bus or truck application reduces greenhouse gas emissions by almost 90 lbs. over the lifetime of the bus or truck.”
  • Cost - This one isn’t as clear cut as the issues above. The initial cost, what you pay to have a trailer manufactured, will most likely be higher with aluminum. Steel does have a number of cost benefits (upkeep, repairs); but if you crunch the numbers, the costs associated with aluminum and steel equal out in the end, or even in favor of aluminum.

After looking at these factors, and many more, it starts to become clear that when it comes to trailers, aluminum is your best bet. Of course, this is not the case for all situations, and you should always share your unique needs with your trailer manufacturer or salesperson; but in general, aluminum is the perfect corrugated metal material for your next trailer. 

Interested in learning more about our full line of corrugated metal products? Download our full product brochure to get started:

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Topics: corrugated metals, Steel, aluminum, Trailers