It is important to understand that Galvalume metal will start to rust and corrode overtime. That's a lot of roofs to protect, and Galvalume is up to the test. These “corrugations” give the sheet more stamina and security when it is mounted as a roof. Galvalume also comes in grades, which will determine the thickness and, in turn, durability of the coating. As the corrosion spreads, the steel beneath the bonded layer will shed the galvanized layer. Galvalume is a coated metal product used for commercial, agricultural and residential applications to emulate galvanized steel. After the coating sets, the sheet is cooled creating corrugation procedure, which flexes the sheet right into identical straight patterns. Galvalume is similar to galvanized steel, but instead of coating the steel in zinc oxide, it is hot-dipped in a mixture of zinc, aluminum and silicone. The high aluminum content of the coating results in Galvalume sheet having a lower density and less weight per 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. At the initial project planning stage, roof slope is a key consideration for architects incorporating GALVALUME roof systems into their designs. • Galvalume Plus panels are delivered to the job site oil-free, where the resin coating effectively resists fingerprinting and smudging. Galvanized steel contains a coating of zinc oxide, which coats and protects the inner layer of steel and prevents/slows oxidation, corrosion and rusting. Galvalume® is a tough, durable coating used to protect steel from corrosion. 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). For the architect, builder, or general information regarding building examples, please contact marketing@bridgersteel.com. Galvalume also comes with a 25-year warranty, which is something that cannot be provided with Galvanized steel. Despite the long warranty, a Galvalume® metal roof when properly maintained over its lifetime will last in upwards of 30 – 40+ years. A Galvalume metal roof also provides a smaller, smoother spangle, which helps achieve a more uniformed design. But Galvalume has an excellent performance life in bare exposures as well. Galvalume. CMG’s steel coil in Galvalume Plus was used to complete this roof. 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. 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. Click here for availability of Galvalume Plus Click here for more information on Standing Seam Roofing Panels 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. True standing seam will have concealed fasteners, usually with clips which allow for … Due to this composition, it is highly effective in protecting other base metals from corrosion and the elements. Galvanization was developed about 200 years ago. • Galvalume Plus is an oil-free product*. 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. If the steel panel is in an area where heavy salt-spray and high humidity predominate, Galvalume provides the most robust protection. Galvalume is applied to a material using the hot-dipping process. Coating Mass 120, 180 & 275 GSM. ***** In 1972 a new coating for metal roofs was introduced by Bethlehem steel. 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. Its light weight and high strength make it an ideal material for multi-story construction. If you are a fan of the newly back in style farmhouse theme, then Galvalume is a great option for you. The more unpainted metal is exposed to the elements, the more it will take on a life of its own. 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. It should not be used on, in, or around concrete or mortar. hbspt.cta._relativeUrls=true;hbspt.cta.load(205050, '99daaefd-13a9-44d6-9d9e-102c94e4489b', {}); Galvalume is created using a 55% to 45% ratio of aluminum to zinc alloy with a small amount of silicon to ensure durable and even adhesion. The common term tends to be “galvanized steel,” but it does not accurately describe a coating that has been around since 1972 when it was developed by Bethlehem Steel. The coating is created by dipping the straight sheet in hot molten zinc. Galvalume® (AZ) steel is a coated product contains approximately 55 percent aluminum, 43 percent zinc, and 2 percent silicon. MACTO ROOF comes with 2 coating variants. High reflectance reduces heat absorption through the roof panels. Traditional galvanized metal roofing is a corrugated sheet of carbon steel with a galvanized coating. Get your project into production by filling out our convenient credit application. The coating is flexible and will not crack or flake as the sheet metal is bent or formed. The coating is created by dipping the straight sheet in hot molten zinc. When completing a project with corrugated sheet should you go with a galvanized or Galvalume metal roof? The answer lies in the difference between the two. Use Galvalume for a sophisticated metal accent on office buildings, rustic and modern homes or in industrial style restaurants. Technical erection manuals for Whirlwind panel products include information on engineering specifications, preparatory requirements, erection sequence, special erection techniques and detailed design information. Nearly all steel has a protective coating to prevent corrosion. Galvalume is applied to both sides of cold-rolled steel sheets using a hot-dip process that protects edges as well. Major applications are for metal building components, including roofs, side sheets, and structural members. 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. Zinc had proven itself over the previous decades when applied to a steel roof sheet with a process called galvanizing. The primary benefit of Galvalume is corrosion resistance. The resin coating extends the life of the metal panels even further because it helps resist scuffing, scratching and other blemishes that may occur over its lifetime. Traditional galvanized metal roofing is a corrugated sheet of carbon steel with a galvanized coating. 25 Year Manufacturer's Warranty. It is special alloy which has been developed after years of research internationally. CMG’s steel coil in Galvalume Plus was used to complete this roof. Architectural Roof and Wall Products ... sheet, ASTM A 653/ A 653M, G90 coating designation or ASTM A 792/ A 792M, Class AZ55 Most Galvalume®–like galvanized steel– is coated. It’s recommended that properties within a certain distance of a coast use an engineered aluminum roof system, as aluminum resists corrosion and rusting from saltwater for much longer. Galvalume uses an alloy of 45% zinc/55% aluminum to create an extra durable panel is ideal for roofing and siding. Kynar 500 is a paint system, typically used on top of Galvalume or Galvanized Steel or Aluminum. The aluminum is what differentiates Galvalume from galvanized steel. Our barn steel buildings truly make this style attainable. The aluminum and zinc in the coating combine to prevent corrosion at exposed edges. Galvanization alone isn’t enough. Using both zinc and aluminum in the coating takes advantage of the properties of aluminum to add primary protection above and beyond zinc. 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