About. Consumers often associate warranty with dependability and performance. Cal. Galvalume® has a life expectancy of up to 9 times longer than comparable Galvanized coatings and has become the industry standard for metal roofing materials. But Galvalume has an excellent performance life in bare exposures as well. Ft. 24 Gauge Standing Seam Panels Cost. Both finishes create stunning looks, reinforce metal's strength and add to its longevity. Unpainted Galvalume has a lifespan up to 40 years. Consult your KYNAR® products representative if you have any questions or for more recent results. Click here for more. I have a standing seam galvalume roof in Florida that is 20 years old and rusting at the edges. SMP Paint Finish AZ50/Galvalume® ♦ G90 Galvanized All information stated in the color chart is correct at time of printing and subject to change without notice. With Galvanized substrates, the greater the amount of zinc the greater the protection against panel corrosion. Ft. The result is an economical, highly corrosive resistant coating with superb heat resistance and reflectivity. Galvalume has an excellent performance lifespan in bare exposures (unpainted panels) as well. We encourage you to fully read and understand your supplier’s warranties. Death of metal roofing, as we all know, is corrosion. I would also like to know what a "fluoro" finish is. Most Galvalume®–like galvanized steel– is coated. Return to Forum. Custom colors generally cost more and certain coatings are more durable than others. Galvalume vs. Zincalume 2003. Of the three, Kynar 500® (PVDF) coatings provide the best protection against fade and chalk and are proven to provide the best long-term performance. For Homeowners Types of Metal Roofing Photo Gallery Roof Visualizer Color Selector Metal vs Shingles Roofer Locator Warranties. Fazit: Ja, ein Metalldach ist in vielerlei Hinsicht viel besser. These "metals" are both actually coatings/finishes that are … When shopping for metal roofing, purchasers must be vigilant to ensure the substrate and coating on the metal panels they choose will match their long-term performance expectations. McElroy Metal has created a video series to help educate our customers on the importance of selecting the optimal substrate and coating. The cost for this grade is estimated at $70 per square, which is the same as 100 square feet in layman’s terms. This high performance product offers the ultimate resistance against weathering and fading and is backed by our 30 year non-prorated finish warranty. Note that there is no color difference between the original roof and the addition. Do not oil Galvalume Plus. Kynar 500® Metal Panel Color Chart. I find it interesting that zinc often covers steel to protect this layer from rusting. 26 & 24 gauge High Quality Galvalume Steel; Available with Aluminum Substrate; Available in Kynar 500 - PVDF Resin Coating; Concealed Screw Fastening w/Clip or Flange; 30 Year Color Fade Warranty; 120 MPH Wind Guarantee; Lifetime Parts & Labor Warranty The zinc-aluminum alloy provides corrosion resistance that is in most cases superior to galvanized steel, which is is coated with a very thin layer of zinc. For example, a galvalume section that is 16'X3', known as a Classic Rib Steel Roof Panel, is 29-gauge steel and comes with a 25 year warranty. A standing seam panel is best used with Aluminum or 24 gauge Galvalume and provides the most maintenance free metal roof system available. We are an architecture firm in So. This is particularly true for galvanized and galvalume roofs where the base metal steel is now exposed to the elements. It’s nice to know that aluminum roofing comes with paint finishes and have their own warranties, which makes them durable and still looks good. In those cases, installers may feel forced to sell the product they have available to them and oversell it as “just as good” as Kynar 500. The coating system, or paint, for metal panels is just as important as the substrate. Similar warranties do not exist for Galvanized. The combination of aluminum and zinc is used once again as a protective layer to the steel. This difference will have a direct correlation to panel longevity and long-term aesthetics of your project. Whereas high end natural metals like zinc and copper do not need any coatings, there are four basic coating options available for steel and aluminum roofs. Return to Forum. Which base metal assures no rust whatsoever over the course of the roofs life? Comments are no longer accepted. January 26, 2017 By Bryan Rusch 7 Comments. Ft. Kynar Painted Standing Seam Cost - $2 to $4 Per Sq. Metal Roofing. Galvalume and galvanized steel roofing are affected differently by corrosion. Required fields are marked *. Acrylume & Galvalume. Iron or steel can be coated with zinc; this is known as a galvanized metal. I will just need to find a good general contractor who can help me get my roof installed. Two commonly used Galvanized substrates are designated as G100 and G60. Galvalume is an engineered coating consisting nominally of 55% Al, 43.5% Zn and 1.5% Silicon. Right off the bat: In most residential steel roofing applications including near-coastal areas — beach homes … Both galvanized steel and Galvalume® weigh 100 to 150 pounds per 100 square feet and contain about 35% recycled materials. Specialty Panels - Shingles/Tiles/Stone Coated, Download Our Galvalume Brochure to Find Out More. Galvalume® Galvanized Steel Electro-Galvanized Galvannealed Steel GalXC® Steel. Both finishes create stunning looks, reinforce metal's strength and add to its longevity. After reading this article, I realize that wouldn’t be a bad idea. A606 Galvalume® Kynar 500® / SMP. Since 1965, Kynar 500 ® resin based finishes have been used as a protective coating on metal architectural building products around the world and is still performing strong today. The photo above shows the drip edge and rib bend in the galvalume standing seam roof of the same home. Most Galvalume®–like galvanized steel– is coated. I find it scary that you said that getting rust on a roof can contribute to the annual cost of $400 billion to combat them. In one test, shown in the photos above, unpainted Galvalume and Galvanized panels were placed in four different types of outdoor environments, including normal marine and a rural setting. The high reflectivity, emissivity and solar reflectance index (SRI) of Berridge metal roofing helps mitigate the heat island effect. September 4, 2008. via ABC Metal Roofing. Aluminum roofing comes with paint finishes, as well, and have their own warranties. With examples like these, it’s obvious that Kynar 500 (PVDF) coatings are the “Best” option when long service life, color retention and chalk-resistance are important. The main difference between galvanizing and Galvalume is that galvalume is a combination of zinc, aluminum, and silicon, while galvanizing is 100% zinc. As seen above, in less than 10 years the PVDF fade resistance difference is clear. Galvalume: Aluminum has tremendous corrosion resistance, so it will generally corrode more slowly than galvanized steel. Steel is a hard, strong, gray or bluish-gray alloy of iron with carbon and usually other elements, used extensively as a structural and fabricating material. Hi Terry galvalume is acrylic coated for the roofing industry but is the cheapest compared to painted steel, white is the most efficient color for a cool roof system and also has galvalume + primer and a paint system. On day one, the colors were an identical shade of green. For the life of the panel, the surface, or coating, will be exposed to environmental elements - ultraviolet sun rays, acid rain, dirt, etc. Selecting Kynar 500 (PVDF) means long-lasting “like new” appearance year-after-year versus Silicone Modified Polyester (SMP) coatings, which can begin to … Exposure testing, however, has proven that Galvalume is up to three times more effective in preventing rust than galvanized steel material. Both materials are very lightweight in comparison to other materials including asphalt shingles. So if that is true, you will want to choose to have an architectural aluminum roof installed, as aluminum does not rust. The Kynar 500 ® FSF ® coatings binder is a key component of a coating formulation and gives metal coating finishes unsurpassed longevity and durability. The Proven Solution in Steel for Your Unpainted Roofing and Siding Needs. Galvalume® has a highly reflective, silver spangled color which weathers in unique patterns over the life of the roof for a rustic, natural appearance. AZ-55 Galvalume® is commonly used for bare Galvalume® where AZ-50 is made to be coated with paint such as SMP or Kynar 500®. Finishes based on Kynar 500® FSF® resin are formulated by Kynar 500® FSF® trademark licensees and contain, in addition to Kynar 500® FSF® resin, solvents and high quality pigments. Why? Stainless Steel. Stehfalz Galvalume / Kynar Zitate: $ 27–37K. Galvalume: Aluminum has tremendous corrosion resistance, so it will generally corrode more slowly than galvanized steel. Corrugated Metal. The photo above shows the drip edge and rib bend in the galvalume standing seam roof of the same home. a pure substance unless otherwise indicated. According to the licensing a pure substance unless otherwise indicated. 100% aluminum standing seam is simply too soft for the geographic region we serve and can dent too easily from even the slightest hail. Galvalume vs aluminum Return to Product Selection. Contact. A discussion started in 2008 but continuing through 2019. If you examine the photograph closely, you will see the paint finish has chipped away underneath the drip edge where the steel base metal has begun to deteriorate (rust). Englert . We will focus on two widely used base metals used in roofing: steel and aluminum. Q. Galvalume is aluminum and zinc coated steel. Could you tell me the difference between a "Kynar" finish and a baked enamel finish on an outdoor galvanized sheetmetal panel. Q. Galvalume vs. Galvanized. Classic Metal Roofs LLC |. Aluminum is also lighter than steel if weight is a critical factor in determining the roofing material for your project. G100 contains 1.0 ounce of zinc for every one square foot of panel while G60 substrates contain 0.6 ounces of zinc. 24 gauge mill finish or pre-painted Galvalume with a full strength Kynar 500 fluorocarbon baked on finish. Created Date: 4/27/2020 … Fade and chalk are not pleasing to the eye, and the degree of fade and chalk is directly related to the coating system. Just because a warranty has an extended time frame (45 years or even a “lifetime”), it does not necessarily mean that the warranty is better or that the product offers better performance. Aluminum, as you remember, is used to coat steel in the galvanized and galvalume products. Kynar® Finish vs. Metal Roofing. We have all seen it before. Englert . 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. and we are working on a light commercial building. Uncoated/Unpainted Galvanized Steel vs. Galvalume Wear: 10, 15, 20 Years and Beyond. Roof valleys and ridge caps are bent, roof edges are cut, and panels are formed and shaped depending on the particular style desired. GALVALUME PLUS® is the most popular among South Texas Homeowners. I suspect not. Is there any way to repair or paint the rusty areas ? GALVALUME® is the trade name for a patented sheet steel product having a coating of corrosion-resistant aluminum-zinc alloy applied by a continuous hot dipping process. Colors are web-safe approximations for reference only. Kynar Aluminum for metal roofing: 0.032" or 0.040". Although Galvalume metal and Galvanized metal sound alike, they have quite a few different characteristics and qualities. W. Watkins St. Phoenix, AZ 85007 (877) 787-5467 sales@metalforroofing.com. Shiny spokes on a bicycle wheel, or a dented corner panel on a car, all show the common enemy of rust becoming evident eventually. Most residential-grade Galvalume metal roofing products – like galvanized steel – are coated with Kynar 500 or Hylar 5000 paint finishes. 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). Let’s look at some examples to help it make more sense. Standing Seam vs. Between Glavalume® vs. galvanized, which lasts longer? Once corrosion has penetrated any steel roofing substrate, steel integrity will suffer and your steel roof will begin to fall apart. Normally, Galvalume is offered in both bare and pre-coated (pre-painted) versions. This building was built in two phases, nine years apart. To illustrate the difference in performance between galvanized and Galvalume steel, let’s consider how the two kinds of steel would perform in an uncoated/unpainted steel roofing application. Thanks for sharing about the Galvanized and Galvalume Steel Roofing which tells about the color roofing sheet very well. Specialty Painted Finishes- $2.50 to $3.50 Per Sq. Aluminum is a silvery-white, soft, nonmagnetic, ductile metal. For example, a Kynar PVDF coating … To illustrate differences in performance between galvanized and Galvalume steel, let’s consider how these two kinds of steel would perform in an uncoated/unpainted steel roofing application. Be sure to visit Classic Metal Roofs website to see non-rusting roofs made with aluminum for your next architectural “metal” roof. KYNAR 500®/HYLAR 5000® Ultra-Clad™ KYNAR®/HYLAR® pre-finished steel is our premium grade in coil and sheet product and is the industry standard for commercial applications. Galvalume® was invented by Bethlehem Steel in 1972 has become an industry standard over the last few decades for a substrate and coated steel, and has become the choice of many for its incredible durability and performance against corrosion. 201 Stainless Steel 301 Stainless Steel 304/304L Stainless Steel 316/316L Stainless Steel 409 Stainless Steel 430 Stainless Steel. Paint system warranties are just one of the major selling … Research on silicone polyester and acrylic paints vs. Kynar 500 ... Galvalume is a combination of galvanized steel and aluminum. The only one of the three base metals we have looked at that is rust-proof is aluminum. Stainless Steel. Your email address will not be published. Check our website for latest version 10/2019. 4072-19 FOR MORE INFORMATION, PLEASE CONTACT US: Western States Metal Roofing 901. For most applications, Galvalume substrates offer the best long-term solution, and Galvalume's superior performance has been proven in the field. A discussion started in 2008 but continuing through 2019. McElroy Metal has created a video series to help educate our customers on the importance of selecting the optimal substrate and coating. Base metal, when used in the context of construction, is the primary component used in construction material, from the sheets of roofing exposed to the elements, right down to the fasteners contained beneath the roof. Although Galvalume metal and Galvanized metal sound alike, they have quite a few different characteristics and qualities. Do you want to look up at a newly installed metal roof and wonder when the rust will show up, the paint finish will start peeling, and rust will begin running down your siding? My husband and I want to replace our roof. The important fact to consider is that a G100 substrate contains 66% more protective zinc than a G60 substrate. Kynar 500® FSFׂ® resin is a high molecular weight homopolymer of vinylidene fluoride. Bryan Rusch is a partner with Classic Metal Roofs and has worked in the environmental design and architectural field for the past two decades. The most popular steel substrates in the metal roofing and siding industry are Galvanized and Galvalume. 24 Gauge x 24" AZ-50 Galvalume Steel Roofing Coil with Kynar 500 Finish Item #: 344391 Manufacturer #: 2424EM For example, a galvalume section that is 16'X3', known as a Classic Rib Steel Roof Panel, is 29-gauge steel and comes with a 25 year warranty. Check our website for latest version 10/2019. Standing seam roofs are generally made from thicker grades of steel than corrugated steel roofs. There are a variety of steel substrates and coatings available in the marketplace and the wrong selection could result in disappointment and reduced service life. Aluminum for gutters: 0.027" or 0.032" for seamless gutters and any other thickness for custom gutters. However, this project included a combination of materials, some with a Kynar 500 paint system and some with a SMP paint system. Galvanized substrates are coated in zinc, while Galvalume substrates are coated with an alloy of zinc plus aluminum. Everyone has come across rust at some time in their life. That is the base metal used for the roof. Galvanized substrates are coated in zinc, while Galvalume substrates are coated with an alloy of zinc plus aluminum. The most popular steel substrates in the metal roofing and siding industry are Galvanized and Galvalume. Galvalume/Galvanized- $1 to $1.50 Per Sq. However, wear occurring along the roof’s drip edge where all the water and snow run off will eventually wear away the aluminum coating once the paint finish fails, and rust will ensue. Ft. The addition of any lubricant to Galvalume Plus will result in a slippery surface. If you examine the photograph closely, you will see the paint finish has chipped away underneath the drip edge where the steel base metal has begun to deteriorate (rust). No other paint coating stands up to the sun’s harsh UV rays like premium PVDF finishes. High Seams - High seam panels have a greater benefit versus a lower seam panel for moisture penetration. Although not all metal roofs are created equal, nor are they installed in the same manner. The harsher the surroundings, the better Galvalume performed. Noch: Es wird sich in meinem Leben nicht amortisieren. Architectural roofing does not require structural integrity in the construction assembly. Both Kynar 500 (PVDF) and Silicone-Modified Polyester (SMP) panels were installed on a project in Louisiana. Snap-lock standing seam, utilizing male and female rib configurations. The failure is either in the paint resin, or the manufacturing process when the finish was adhered to the metal coil. The benefits of metal roofing in New England cannot be disputed. 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. SMP Paint Finish AZ50/Galvalume® ♦ G90 Galvanized All information stated in the color chart is correct at time of printing and subject to change without notice. There’s simply no other choice to consider other than Kynar 500 ® for metal roofing materials. Paint finish warranties are key to understanding the expected longevity of a galvanized or galvalume metal roof. The seams of the roofing system shall be 16” o/c. Uncoated/Unpainted Galvanized Steel vs. Galvalume Wear: 10, 15, 20 Years and Beyond. Due to the longevity of a standing seam roof, you should only consider a Kynar 500® paint finish, to ensure you paint lasts as long as your material. Galvalume and galvanized steel roofing are affected differently by corrosion. 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