![]() This process is simple - all you need to do is buy a patina aging solution, which helps oils build up on the surface. Ultimately, there’s little change in its color.Īnother neat thing about working with metal is that you can age metal intentionally, so the design has a “classic” look with no waiting required. Some builders call this “white rust.” Meanwhile, when aluminum encounters the air, it forms a protective layer through a process known as anodization. The high zinc content in galvanized steel will cause it to take on a white-like color. Galvanized steel and aluminum also change when oxidized, just not in the same way as copper and brass. Brass’s patina effect is a little more green copper’s color is closer to blue. Because brass is two-thirds copper - so it behaves similarly over time. To learn more about decorative metal, check out the free download below:īrass architecture, however, behaves similarly to copper when exposed to air and water - it'll take on a blue-green color. Of course, copper is just one metal that turns green.Īge may be more than a number when it comes to metals, but it’s still just one of many factors that should go into your material choices. Walking down any street in America with historic old buildings, you'll often see a lot of blue-green on the exterior facade. In a sense, when it oxidizes, it becomes strengthened and more durable.Īside from the Statue of Liberty, you'll commonly see roofs, outdoor sculptures, and even gutters made of copper due in part to the trademark blue-green color it eventually takes on. Yet, instead of rusting, it morphs into a beautiful blue-green color.Īnd what's interesting about the blue-green color is that it makes the metal more resistant to further corrosion. The Statue of Liberty is green thanks to the copper patina effect.Įssentially, the green color results from the copper coming into contact with water, oxygen, and carbon dioxide over time, causing a coating to build on the surface. The Statue of Liberty isn't made out of a green metal its surface is mostly copper - and copper doesn't come out of the mill looking green. So, what is it called when metal changes color? The patina effect - a color change in red metals caused by oxidation. What color is it? If you answered "green, with maybe a little blue," you're correct … but you wouldn’t have been 140 years ago.Ĭopper, bronze, brass, and other metal used in interior design and architecture may not look the same color 5, 10, 20, or even 50 years from now as they do today. Think of the Statue of Liberty for a moment. How The Patina Effect Creates Green Metal What causes green metal? It all begins with a slow-moving special effect. ![]() This transformation should be part of your decision marking process when choosing metal mouldings for your next architectural project. Some metals rust while others slowly turn green. Don't be concerned this is normal - and maybe even good! Regardless of whether you prefer shiny or tarnished looks, you need to be aware of the difference between brand-new architectural metal now and one affected by corrosion and oxidation. Is youthful glow better, or is the weather look of experience more desirable?Įach architectural metal has a different response to aging. Scroll down below to get all kinds of ideas for this fairly popular house exterior color.Like with many other things in life, age is a big talking point in decorative metals. All green – lacks one other material to offset the green prominence.Combining green exterior with light grey stone.Related: Green Primary Bathroom Ideas | Green Living Room Ideas | Green Bathroom Ideas | Green Primary Bedroom Ideas While I like blue and yellow, it needs to be subdued. I totally get it if it’s your color I don’t think you can go wrong unless it’s too bright. While I prefer blue, yellow, white and red exteriors, green works. I chose the examples in this article so that it would be a diverse set of house styles as well as all shades of green (dark to bright to light to mint etc.). I had to weed out loads and settled on this collection. I had no idea a green exterior color for a home was as popular as it is. All shades of green from dark to bright to pastel to light to mint green. Get loads of ideas for your green paint job. Great collection of green houses (exteriors).
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