When is Galvalume a good choice for metal roofing material? However, because of the superior durability and corrosion resistance of Galvalume, 90+ percent of the metal roofing industry transitioned from galvanized substrates to a Galvalume substrate in the mid to late 1990s. Rollforming panels with striations or bead stiffeners in the flat area of panels to minimize the appearance of oil canning. )$&3i4`edFyRj>?I2sBC{BHz Y LMeff(XxM[5,^L>lW|'b_,@-Vo& B,R+ All of Englert's metal roofing systems are . Even though its a tough material, installers still find Galvalume easy to handle, rollform, cut, and beyond. These cookies will be stored in your browser only with your consent. These cookies do not store any personal information. Since the coating on AZ55 is thicker than on AZ50, it means that AZ55 also offers better protection for the metal than AZ50. coefficient of friction. Lauren Risotto on February 17th, 2021. Research conducted by theMetal Construction Association (MCA)indicates that Galvalume roofing could last as long as 40 to 50+ years without any extreme signs of corrosion. Note: Weathertight warranties are only available for commercial applications. If Galvalume is in contact with one of these and is then introduced to an electrolyte, such as water, it can lead to galvanic corrosion of the metal. Plus, commercial property owners can buy a weathertight warranty for their Galvalume roofing structure, which ensures the roof was installed correctly and adheres to strict installation details. Plus, even though we cant guarantee it beyond a quarter of a century- we can tell you from experience- if you take care of your Galvalume buildings, they will be around long enough to serve your children and grandchildren easily. This process allows for one material to have some of the best characteristics of each metal, which is why its become one of the most popular metals used in metal roofing. The coating the metal ends up ensures the product is made up of 55% aluminum, 43.4% zinc, and 1.6% silicone. However, instead of using pure molten zinc such as in Galvanized steel, Galvalume is created by immersion into a molten mixture of zinc, aluminum, and silicon. Q)D6. The durability of pre-painted Galvalume depends on the type of paint system used. Galvanized steel tends to cost less (while still delivering . The animal urine has less of an affect on galvanized vs Galvalume. reverse roll-coating method similar to a prepaint line. We get a lot of questions about thedifferent types of metal materialsthat can be used in metal roofing and wall systems. As mentioned, most manufacturers have stepped toward using Galvalume as the majority of their product offerings because it lasts longer and provides more benefits for property owners. But opting out of some of these cookies may have an effect on your browsing experience. We are often asked by customers about what metal to use since weve spent the past two decades manufacturing. Galvanized metal is corrosion resistant. Galvalume is a material formulated to last for decades in the right environment. #1 Estate Hope Supermarkets, hospitals, and schools all fall under this. And Galvalume offers exceptional heat reflectivity, resulting in lower energy load on buildings and improved interior comfort. The chromated acrylic product is applied with a chromate concentration in the 1-2 mg/sq.ft. Bare Galvalume and painted Galvalume sheets suffer rapid corrosion when in contact with mortar and concrete. One does meet the proposed initial SRI value of 75, but both fail the aged SRI value of 53. . While both of these metal options are similar in some ways, they do have some differences you need to be aware of. In addition to aiding in the lifespan of your steel panel, steel coated with Galvalume also is also more energy efficient and fire resistant. Manufacturers begin with a carbon steel base sheet that is then continuously hot-dipped with aluminum and zinc alloys until it reaches a coating consisting of 55% aluminum, 43.4% zinc, and 1.6% silicone. No substrate warrantiesArguably the most significant disadvantage to galvanized metal systems is the fact that the substrate doesnt have a warranty. Often offered with paint, substrate, and weathertight warranty options and has self-healing properties. The thicker the layer of zinc, the longer you have before it corrodes away and exposes the steel substrate. Galvanized - Galvanized steel can last up to 50 years or more with minimal repairs, depending on the climate you live in. Coatings : Galvalume Plus, Signature 200, Signature 300 . Modern buildings, such as condos, are best suited to both the look and durability of Galvalume metal. 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. This acrylic coating will wear off over time with exposure. Galvalume-coated metal is less likely to rust than normal galvanized metal. Buying trustworthy brands of coils and sheets. The only difference is Plus has a thin, clear acrylic coating. Luckily, oil canning is only an aesthetic concern that doesnt affect the performance of the roof system. Consequently, Galvalume and Galvalume Plus will resist rust, the elements and fire while providing a sturdy and protective covering. But opting out of some of these cookies may have an effect on your browsing experience. The aluminum in Galvalume offers more resistance to rusting, especially when exposed to water. Galvalume steel finished with Kynar 500 or Hylar 5000 paint finish is another durable and long-lasting option to explore for a home exposed to salt spray environment, such as beach homes. Refrain from pivoting or pressing shoes/boots down too hard on the installed panels. We'll focus on the six most common metal materials: bare Galvalume, painted Galvalume, aluminum, stainless steel, copper, and zinc. Though not painted, these products still need to be handled with care, or you risk scuffing or perforating the coating. , we offer metal roofing and siding panels in both galvanized steel and Galvalume, as well as painted panels. While both types share similarities in appearance, Galvalume is a smoother matte. While galvalume is a multi-layered product that is made by rolling metal and applying a polyester coating, galvanized metal roofing is made by passing the metal through zinc vapor. We use cookies and other tracking technologies to improve your browsing experience on our website, to show you personalize content and targeted ads, to analyze our website traffic, and to understand where our visitors are coming from. Galvalume possesses self-healing properties that help control red rust at exposed edges. Here at ADCO, we carry all of the necessary trim you may need including flashing, screws, and any other accessory you could need to go along with it. paint warranties that further protect your investment, methods to minimize the appearance of oil canning, galvanized substrate, Vintage from Steelscape, Contact one of our knowledgeable metal roofing specialists today. tucsonsales@westernstatesmetalroofing.com, texas-sales@westernstatesmetalroofing.com, 2023 Western States Metal Roofing. This occurrence is possible with any metal roof or wall type, including Galvalume. Standing Seam vs. This acrylic coating will wear off over time with exposure. All Content RPS Metal Roofing & Siding, Inc., 2021. Galvalumes formula was designed to combine the toughness and strength of zinc with the rust resistance of aluminum. Galvalumes self-healing characteristics help control the red rusting at any cut/exposed edges. Acrylic-coated product must never be oiled. Neither Galvalume or galvanized substrate is warranted to be used, in or around animal confinement or agriculture. 340-692-3533 But bare Galvalume and coated Galvalume panels have an outstanding corrosion resistance in a wide variety of general environments, including industrial, marine and even severe marine environments. Are you ready to select panel type and color for your steel building and are having difficulty in differentiating between Galvanized and Galvalume? We specialize in providing painted Galvalume and aluminum for the architecturally driven metal panel industry. It is softer than polyester, making it highly formable without risk of cracking. It 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. By clicking Accept, you consent to the use of ALL the cookies. Save my name, email, and website in this browser for the next time I comment. Research indicates that Galvalume roofing could last as long as 50+ years in the right environment without any extreme corrosion. Galvalume comes with a 20 year sheet producer warranty, and painted products can often have a paint warranty that extends beyond that time frame depending upon which paint system is used. Since Galvalume tends to perform better and lasts quite a bit longer, its easier to find and purchase nationwide. Features. Though once any part of the steel core is exposed, the metal will start to red rust, which is both unsightly and will eat away at the metal over time. One of the questions most frequently asked by architects is: What are the differences between Galvalume and Galvanized Steel when used in roofing. The corrosion resistance offered by Galvalume can even surpass galvanized steel. This provides superior durability and resistance to corrosion in comparison to galvanized coating. Galvalume combines three of the most high-performing and important metals used in roofing today steel, aluminum, and zinc. Galvalume is more corrosion-resistant than galvanized steel, but because aluminum provides barrier protection instead of galvanic protection, scratches and cut edges are less protected. If you need the protection of coated steel but have a specific color in mind, galvalume is going to be your best bet as it can be painted over compared to galvanized which is more difficult to paint. However, Galvalume roofs can last 40+ years, which is over double the lifespan of a galvanized roof. Can you provide a link to where I can validate . Watch the full Galvalume vs. Galvanized Q&A episode here: http://bit.ly/galvalume-vs-galvanized-v. Galvalume is self-healing, meaning it eventually stops the rust from spreading over the panel. So, if the roof deck is not in plane, consider fixing it beforehand to reduce the risk of oil canning. Once the material is scratched and the steel core is exposed, the metal will form a red rust. Galvanized metal products have been around since the 17th century, but the process of galvanizing materials became a widespread practice in the early 19th century. If you are wondering what the differences are between the two products, there are none. Galvalume vs. G90 Return to Product Selection. How Much Does Galvalume Metal Roofing Cost? Galvalume is easy to handle, tolerable, and doesn't have extensive special installation requirements. It is mandatory to procure user consent prior to running these cookies on your website. We can roll, form, and cut your Galvalume panels to any length. Applications: Panel Systems, Roof Systems, Wall Systems, Exposed Fastening Systems Coverage Width: 36" Minimum Slope: 1:12 Panel Attachment: Exposed Fastening System Gauge: Gauge - 26 (standard); 24, 22 (optional) Finishes: Smooth (standard); Embossed (optional) Coatings: Galvalume Plus , Signature 200, Signature 300 Rib Spacing: 6" on Center Or, is there another material best suited for your project? Galvalume has a cousin, Galvalume Plus. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. At Sheffield Metals, we are dedicated to providing and educating our customers with the information they need to make the best and most informed decision. There are no paint warranties which cover this product. Often not warrantied due to unpredictability and can develop excessive red rust when a core metal is exposed. Once the coating is scuffed, theres not much that can be done to fix the issue other than immediately replacing the scuffed panels. Using dissimilar materials with Galvalume can result in. Will Call Gate Closes at 4PM, 1-800-328-6437 Galvalume and Zincalume are two different licensed names for the same product. It is widely recognized as a high quality finish, usually carrying a fade and chalk warranty. Consider the look you want to achieve for your roof when deciding between the two metal materials. Limit the foot traffic on newly installed panels. This applies to most homes in and around Covington, LA. Not likely to last more than 20 years, despite being more expensive than a 40+ year Galvalume roof. Galvanized . These scratched areas may be more susceptible to rust however, the coating is also more flexible, helping to prevent cracks or chips when . Ensuring there are no roof decking issues, as the metal will follow any inconsistencies on the deck. help@bungersteel.com. Galvanized metal is corrosion resistant. Click here for availability of Galvalume Plus Click here for more information on Standing Seam Roofing Panels Product Details Product (s): Pre-finished Steel Coil and Flat Sheet Color: Galvalume Plus Contractor: Kulp's of Stratford Location: Steven's Point Project Photos Previous Project Give our Components Department a call today to start your order. ITWIS22^Z>@T#p True standing seam will have concealed fasteners, usually with clips which allow for expansion and contraction. We go over the differences between using acrylic or no acrylic below. (Note: Substrate or paint warranties are NOT available for Galvalume products within 1,500 feet of a coast.). Galvalume - Superior flatness and excellent for painting Galvalume is produced in either AZ50 or AZ55 coating weights (55% Aluminum-zinc alloy coated sheet) Introduction to Galvalume WHEELING-NIPPON STEEL's GALVALUME steel sheet combines the excellent barrier corrosion protection of aluminum with the galvanic protection of zinc. You can use Galvalume for any metal building project. Both galvanized and Galvalume are shiny materials, however galvanized metal has a much shinier surface. Without it, contact with the forming rolls in roofing sheet lines can leave permanent black abrasion lines on the sheet surface. Oil canning Oil canning is an inherent characteristic of light-gauge, cold-formed metal products, especially products with broad, flat areas. How much do you know about Galvalume? Galvalume performs best when not in contact with copper, lead, bricks, treated lumber, iron, and concrete. WHEELING-NIPPON STEEL offers two enhanced products: Galvalume PLUS and Galvanized PLUS. Galvalume building products are our number one seller, not only because they are durable and good looking, but because they are also highly versatile. Its common for steel roofing materials to have some edge creep, or corrosion of metal roof edges, near where the panel was cut. In reviewing material submittals we have been given a sample labeled Galvalume Plus which the contractor says is the same as our specification for Zincalume. The resin coating is applied over both sides of the Galvalume TM sheet as a final protective layer. Galvalume should not be used on, in, or around concrete or mortar. Galvalume should not be used in coastal environments or on animal enclosure structures. range. Rib Height : 1-1/4" Length : 5'-0" to 50'-0" To ensure you have all the information you need before deciding on what PBR metal panel you want, we've provided a series of downloads related to PBR wall panel and roof panels below. 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