Regions prone to hail (impact resistance testing).Cold and snowy regions (heavier snow loads).High rainfall or precipitation areas (water penetration, submersion testing, and wind-driven rain).High wind areas/hurricane zones (uplift testing).While it’s not impossible to use 26-gauge material, 24-gauge will perform better, as it’s simply stronger. You can go to a thicker material like 22-gauge and still have all of the engineering that a 24-gauge system was tested according to, but you cannot go thinner to 26-gauge.īecause of the engineering, 24-gauge material is more equipped to handle extreme weather environments than 26-gauge metal. This means that you can get engineering on a 24-gauge panel system, but cannot go to a thinner material. More Likely to Have Engineering & Better Equipped For Extreme WeatherĪnother benefit of 24-gauge material is that, in most scenarios, 24-gauge material is the minimum for having testing and engineering on a panel profile system (this is the case at Sheffield Metals as well). Read more about oil canning and methods to prevent it here. Ensuring the roof deck is level, consistent, & in-plane.Using a striation or rib roller to break up the flat area of the panel.Still, there are ways to combat it with your 24-gauge metal roof or wall system, such as: However, keep in mind that some degree of oil canning is expected. As we mentioned, 24-gauge material is more rigid and resistant to shape changes. In other words, it’s a visual phenomenon that makes metal panels look wavy or somewhat distorted, especially in the broad, flat areas of a metal roof or wall system.Ĭompared to 26-gauge, you’ll likely have better chances of avoiding severe oil canning with 24-gauge metal. Oil canning is defined as the perceived waviness of a metal panel and is an inherent characteristic of light-gauge, cold-rolled flat metal products. Less Susceptible to Oil Canningīefore we get into why 24-gauge is better for resisting oil canning, let’s give a little background on the subject. The thickness also contributes to better rigidity, which means it’s more resistant to bending or being forced from its original shape. The thicker material means that 24-gauge material is stronger and better equipped to withstand rollforming stresses, oil canning (discussed next), denting, and other impacts that can structurally or aesthetically damage a metal roof or wall system. While this difference may seem small or insignificant, it’s not - this makes 24-gauge metal about 27.8% thicker than 26-gauge. 24-gauge metal has a minimum of approximately 0.023,” and 26-gauge has a minimum of approximately 0.018”. The main difference between 24 and 26-gauge metal is the thickness. Sheffield Metals Metal Roof Installation Slider Image Advantages of 24-gauge Metal Thicker, Stronger, & More Rigid Material Structural buildings – Warehouses, manufacturing facilities, storage, and more.Residential projects – Single-family, multi-family, condominiums, and more.Architectural structures – Commercial, governmental, residential, and more.Commercial buildings – Hospitals, offices, hotels, schools, stores, government buildings, and more. ![]() You’ll find 24-gauge metal used for many different standing seam applications, including: So, why is 24-gauge Galvalume material the standard?Ģ4-gauge metal is the thickness that allows for three important aspects of metal roofing: A high-performance and rigid panel system, an affordable price, and an aesthetically pleasing finished product. Standing seam systems have hidden fasteners, whether the panel is attached to the roof deck using a clip or is directly fastened to the deck under the vertical leg utilizing a fastener flange. Standing seam refers to a concealed fastener metal panel system with vertical legs and a broad, flat area between the two legs. ![]() Throughout the industry, 24-gauge Galvalume is usually the standard thickness for standing seam metal roof and wall systems. Some specific scenarios and which metal thickness is best for each one.Ģ4-gauge Metal Roofing Material 24-gauge Thickness (inches).26-gauge metal, and its uses, advantages, and disadvantages. ![]() 24-gauge metal, and its uses, advantages, and disadvantages.In that time, we’ve helped thousands of contractors, architects, manufacturers, and property owners choose the right thickness for their project(s). So, is 24-gauge or 26-gauge metal best for your project?įor almost three decades, Sheffield Metals has been a supplier of both 24-gauge and 26-gauge metal products used in the standing seam metal roof and wall industry. However, when you look at these two different metal thicknesses a little deeper, you’ll find a variety of differences, especially regarding performance, engineering, oil canning expectations, color options, and more. On the surface, you would never notice a difference between 24-gauge and 26-gauge steel (Galvalume ®) metal sheet and coil products.
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