Green Patina Copper Roof

Copper roofs naturally turn green from exposure to the elements.

Green patina copper roof.

Copper roofs for green building a copper roof is an extremely efficient energy saving material compared to asphalt or stone shingles primarily relating to heat gain. We re adding patina copper sheets to our stairs but first i needed to experiment to find the perfect copper patina recipe. Copper normally changes in appearance from a shiny red metal to a dull green. One subtle patina d copper second a green copper verdigris the last a blue patina on copper.

Add in the longevity of these panels up to 1 000 years in many european examples and you get an economical metal even when accounting for the high initial copper roof cost. Copper is a very distinctive impactful metal for the side cladding of buildings and offers a range of patinas and finishes for unique appeal. This change occurs as a result of a chemical reaction between the copper moisture and oxygen referred to as oxidation. As the years pass and the roof ages the patina will thicken and change colors.

Eventually the roof will even out to a brilliant green. Colors often include shades of copper green dark brown and turquoise. Many of america s early homes and public buildings still display the unmistakable greenish blue patina of aged copper on their roofs. So many crafty ideas.

And many of the nation s leading architects immediately specify copper as the no. Copper roofing is bright pink to begin with and in time it can gain a brownish color and then a nice blue green patina. Huge cost savings when compared to real copper. Pre painted metal that looks like copper metal roofing that has been pre painted to look like copper is a growing favorite among architects and builders.

Polyurethane spray copper develops a protective light green patina over time when it is left outside. The much admired natural protective coating of a blue green patina characterizes older copper roofs including ancient cathedrals as well as bronze statues and other copper metal surfaces exposed to the weather. I ve got the copper patina solution recipes for you. Here you ll find three.

Coppers natural patina occurs as a gradual progression depending on the coppers physical orientation and the local weather and pollution levels on a grading scale of lighter and lighter greens. Because of the time required to achieve this much research has been done on artificial patination with varying success. 1 roofing choice for projects currently on their drawing boards. The copper roof starts out salmon pink brown and makes it s way to the statue of liberty bright green.

Wondering how to turn copper green. The patina is due to the process of oxidation and the sulfur particles in the atmosphere. Copper can also turn gray brown or blue in some circumstances.