Traditional galvanized metal roofing is a corrugated sheet of carbon steel with a galvanized coating. The fine-grained Galvalume … The organic coating is designed to pass through a roll-forming operation without applying lubricating oils. Galvalume is one of the most popular roofing materials on the market today and is a type of steel roof coating made from aluminum, zinc, and silicon. On a volume basis, the coating is approximately 80% aluminum. Fortunately, aluminum also keeps any corrosion in the damaged area from spreading to the rest of the panel. Additional resources including load tables, trim selectors, product specifications and brochures. Zinc still bonds with the steel to create a barrier to moisture. Galvalume is a high-performing metal option for high-temperature, high-precipitation and marine environments. Architectural Roof and Wall Products ... sheet, ASTM A 653/ A 653M, G90 coating designation or ASTM A 792/ A 792M, Class AZ55 Zinc had proven itself over the previous decades when applied to a steel roof sheet with a process called galvanizing. The more unpainted metal is exposed to the elements, the more it will take on a life of its own. Carbon steel is dipped in molten zinc. Both finishes create stunning looks, reinforce metal's strength and add to its longevity. Steel roofs are longer lasting than traditionally shingled roofs, meaning fewer replacements over the life of the structure. Its light weight and high strength make it an ideal material for multi-story construction. Galvanization only includes the zinc alloy. Finished Details. Galvalume has a coating of aluminum over the steel and will likely take more time for rust to occur at the exposed locations of the panel. The coating is every bit as strong and durable as the steel itself. Traditional galvanized metal roofing is a corrugated sheet of carbon steel with a galvanized coating. Using Galvalume panels with exposed fastener steel roofing is not recommended. Technical erection manuals for Whirlwind panel products include information on engineering specifications, preparatory requirements, erection sequence, special erection techniques and detailed design information. Most Galvalume®–like galvanized steel– is coated. The thickness can range somewhat depending on the coating … These editable specifications manuals provide a standardized classification for construction information. The addition of aluminum increases the coating’s corrosion resistance by a factor of two. CMG’s steel coil in Galvalume Plus was used to complete this roof. A minimum slope of 1/4:12 is required to ensure sufficient drainage of water and good long-term performance of GALVALUME roof panels. The aluminum in Galvalume metal helps to better protect the panels against corrosion in certain environments compared to Galvanized. Galvalume also comes with a 25-year warranty, which is something that cannot be provided with Galvanized steel. Our Galvalume Metal Roofing Panels are guaranteed to last at least 25 years! Galvalume is a type of coating consisting of 55% aluminum-zink alloy with silicon that is used to protect steel sheets from oxidation, similar to galvanizing. Galvalume Plus comes with a 20 year finish warranty. Farmhouse Style Metal Roofs. Galvanized steel is one of our most common forms of steel roofing materials. Using both zinc and aluminum in the coating takes advantage of the properties of aluminum to add primary protection above and beyond zinc. The primary benefit of Galvalume is corrosion resistance. Whirlwind manufactures a complete line of metal roofing and wall panels, plus trim and other accessories for all industry types. Galvanization was developed about 200 years ago. Galvalume is ideal for standing seam roof applications and pre-fabricated metal wall panels. For the architect, builder, or general information regarding building examples, please contact marketing@bridgersteel.com. After the coating sets, the sheet is cooled creating corrugation procedure, which flexes the sheet right into identical straight patterns. CMG’s steel coil in Galvalume Plus was used to complete this roof. In coastal environments–The coating of Galvalume will not stand up to the conditions associated with a coastal environment, including properties up against breaking surfs, large bays, marshes, and other coastlines. The coating or paint finish used on Galvalume is very important because it is critical to the length and conditions of the entire warranty of the steel panel product. The coating is created by dipping the straight sheet in hot molten zinc. Pre-painted panels are generally used but roofing contractors in Miami are noticing the less expensive bare, mill-grade Galvalume® stays cleaner due to the zinc in its coating. Use Galvalume for a sophisticated metal accent on office buildings, rustic and modern homes or in industrial style restaurants. The Galvalume coating provides exceptional cut edge corrosion protection of the steel substrate by providing a long-term barrier against corrosive elements. Galvalume® is a tough, durable coating used to protect steel from corrosion. For example, a galvalume section that is 16'X3', known as a Classic Rib Steel Roof Panel, is … However, wear occurring along the roof’s drip edge where all the water and snow run off will eventually wear away the aluminum coating … Galvalume roofing material combines three of the most important metals used in roofing today—steel, aluminum, and zinc.Manufacturers begin with a carbon steel base sheet, which is then continuously hot-dipped with aluminum and zinc alloys until it reaches a coating consisting of 55% … Galvalume refers to a type of proprietary steel coating that consists of about 55% aluminum, 43.4% zinc and 1.6% silicon. Use Galvalume for a sophisticated metal accent on office buildings, rustic and modern homes or in industrial style restaurants. 25 Year Manufacturer's Warranty. True standing seam will have concealed fasteners, usually with clips which allow for … The aluminum and zinc in the coating combine to prevent corrosion at exposed edges. Substrate: The Galvalume sheet coating consists of an alloy of nominally 55% aluminum, 1.6% silicon, and the balance zinc by weight, as listed in ASTM designation A 792. Nearly all steel has a protective coating to prevent corrosion. Galvalume® (AZ) steel is a coated product contains approximately 55 percent aluminum, 43 percent zinc, and 2 percent silicon. A measure of the success of this program is the fact that virtually all of the major steel companies worldwide have become licensees of BIEC. Welcome to GALVALUME ® BIEC International Inc. is the worldwide licensor of the technology and know-how associated with 55% Aluminum-Zinc alloy coated sheet steel (better known as GALVALUME). That's a lot of roofs to protect, and Galvalume is up to the test. Steel coated with Galvalume appears similar to galvanized steel but with a smoother appearance. It provides a number of benefits beyond corrosion-resistance, but before we get to that, let’s take a look at what Galvalume is and when to use it. hbspt.cta._relativeUrls=true;hbspt.cta.load(205050, '2e342c56-f096-4103-98bf-f8c48c8d8ecf', {}); hbspt.cta._relativeUrls=true;hbspt.cta.load(205050, 'f1f10deb-3a79-4949-b53a-25c0cc86408a', {}); hbspt.cta._relativeUrls=true;hbspt.cta.load(205050, 'cb9f6896-faba-468e-a6eb-217307ba9ee4', {}); What Are the Benefits of GALVALUME® Coatings? Product Information. The high aluminum content of the coating results in Galvalume sheet having a lower density and less weight per Despite the long warranty, a Galvalume® metal roof when properly maintained over its lifetime will last in upwards of 30 – 40+ years. It can decrease heating and air conditioning costs and keeps the inside temperature of a … GALVALUME is a 55% Al-Zn coated sheet steel product that is ideally suited for most types of roofing and siding applications as well as unexposed automotive parts, appliances and miscellaneous applications like furniture, outdoor cabinetry, computer cases, gutters, pipe, etc. Kynar 500 is a paint system, typically used on top of Galvalume or Galvanized Steel or Aluminum. It will age naturally, creating a unique, one of a kind metal. A Galvalume metal roof also provides a smaller, smoother spangle, which helps achieve a more uniformed design. Join our workplace filled with devoted team members who believe in what we do. When completing a project with corrugated sheet should you go with a galvanized or Galvalume metal roof? See the core tenets behind our commitment to build for life. • Galvalume Plus is an oil-free product*. Traditional galvanized metal roofing is a corrugated sheet of carbon steel with a galvanized coating. Galvalume steel provides all the benefits of structural steel while maintaining maximum resistance against corrosion in almost any environment. When completing a project with corrugated sheet should you go with a galvanized or galvalume metal roof? Galvalume's matte finish lends itself to industrial, modern and rustic projects that require a little more subtlety than traditional, shiny or spangled galvanized metal panels. Mill Finish Galvalume panels with an acrylic coating are also cheaper than Siliconized Polyester or Kynar 500, making it a good option for a lower cost metal roof in areas at least 1 mile or more from salt water. Marine environments are hard on most materials. The coating is created by dipping the straight sheet in hot molten zinc. Aluminum makes up more than 50% of the coating, making it more resistant to corrosion. Proper roof inspections and maintenance is still required, as with any other roof system. Its versatility, ease of use, aesthetic appeal and long-term, service life-extending performance makes Galvalume-coated steel roof panels the most economical and sustainable coating option for your customers’ new and retrofit applications. The answer lies in the difference between the two. Galvalume is only protective if the coating remains unbroken. Our barn steel buildings truly make this style attainable. A Galvalume metal roof is durable and can outlast asphalt roofs by years. Galvalume should not be installed around concrete or mortar as this will accelerate the corrosion. Unmatched quality and expertise, Whirlwind Steel has been manufacturing stylish, functional, durable, and affordable metal buildings and components for more than 60 years. Galvalume steel panels can be installed over existing surfaces from asphalt shingles to wood underlayment. This information can be useful to contractors, engineers, architects and other construction industry professionals. Galvanization is a process which has helped metal roofs and siding remain in tact for decades. If the steel begins to rust along a cut or exposed edge, the coating … Use Galvalume for a sophisticated metal accent on office buildings, rustic and modern homes or in industrial style restaurants. Due to aluminum's qualities, Galvalume metal offers better surface protection than Galvanized, but is more vulnerable to scratches, blemishes or cut edges. Steel when coated with Galvalume lasts longer because it get the Barrier Protection of Aluminium and Sacrificial Properties of Zinc. Get 60 years cutting edge quality and personalized service wrapped in the latest technology. A galvanized steel roof will start showing its age after 10 to 15 years and has a lifespan of about 15 to 20 years, half that of Galvalume. Specifically, the large amount of salt (sodium chloride) will harm the Galvalume coating and prematurely degrade the roof or wall system. Bridger Steel does not release personal information or locations of projects due to owner privacy. Major applications are for metal building components, including roofs, side sheets, and structural members. At the initial project planning stage, roof slope is a key consideration for architects incorporating GALVALUME roof systems into their designs. As the corrosion spreads, the steel beneath the bonded layer will shed the galvanized layer. From your drawings, we manufacture and deliver high quality metal building systems under your brand name. Coating Standard IS : 277 ... Galvalume has barrier corrosion resistance and heat resistance similar to aluminized material and good bare edge galvanic protection and forming qualities like galvanized material. It is easily rolled, bent, stamped and fabricated without losing the protection of the coating. 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