Black steel roof3/24/2023 ![]() ![]() Resins are designed to stand up to water and protect the pigment, but constant exposure to water, especially standing water, speeds up the process. Moisture – Any kind of moisture, whether it be rain, snow, seawater, condensation, etc., can alter the makeup of any substance over time.Research and field testing also shows that frequent temperature fluctuations weaken the pigment by manipulating the color’s chemical makeup. Temperature – While any temperature will cause fading to happen over time, extreme heat and cold speed up color changes.This is the reason that most paint systems are often tested in locations with extreme weather, like Florida, to see how it measures up to the conditions over a long period of time. For example, a metal roof in Texas is more susceptible to fading due to sun exposure than a metal roof in Wisconsin. UV or sun exposure – Probably the biggest determining factor in how a metal roof or wall panel system will fade is based on the amount and strength of the UV exposure the panel gets.That being said, there are ways to prolong the life of the color on your roof, and it starts with being educated and informed about the factors that affect fading, the types of resins/how well they stand up to the elements, and how fading is actually measured. Even though the color fades because of regular wearing and washing, it doesn’t take away it from how well it wears, or in a metal panel’s case, it doesn’t take away from how well it protects your structure. As we discussed in our explanation of metal roof paint warranties, the best way to imagine what fading on metal will look like is to compare it to how a piece of clothing might fade its color over time. No matter what type of pigment or resin that a manufacturer uses on a coil, nothing will preserve the color forever in an outdoor environment. Also, it’s important to note that panels on the same structure may not even fade uniformly, as every portion is not always subject to the same elements. This change usually lightens the color, but it has been known to darken or completely change specific colors. In other words, the pigment begins to break down, which causes the color change. If you’re purchasing a metal roof or already have, you might be asking yourself: Will my metal roof fade?įading on painted metal roofs occurs when substances like water, pollution, and chemicals in the atmosphere and specific environments react with the pigment of the paint. How paint systems are tested by manufacturing companies.What chalking is and how chalking is measured. ![]()
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