Green Patina Copper Roof

Copper normally changes in appearance from a shiny red metal to a dull green.

Green patina copper roof. 1 roofing choice for projects currently on their drawing boards. Because of the time required to achieve this much research has been done on artificial patination with varying success. Copper is a very distinctive impactful metal for the side cladding of buildings and offers a range of patinas and finishes for unique appeal. Many of america s early homes and public buildings still display the unmistakable greenish blue patina of aged copper on their roofs.

Eventually the roof will even out to a brilliant green. Copper roofs naturally turn green from exposure to the elements. Colors often include shades of copper green dark brown and turquoise. We re adding patina copper sheets to our stairs but first i needed to experiment to find the perfect copper patina recipe.

Here you ll find three. 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. 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. Copper roofing is bright pink to begin with and in time it can gain a brownish color and then a nice blue green patina.

This process will take several months or years depending on the atmospheric conditions in your area. As the years pass and the roof ages the patina will thicken and change colors. 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. 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. 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. Polyurethane spray copper develops a protective light green patina over time when it is left outside. The exterior of the statue of libertyis made of copper about the thickness of two pennies.

Huge cost savings when compared to real copper. And many of the nation s leading architects immediately specify copper as the no. I ve got the copper patina solution recipes for you. So many crafty ideas.

This is why the statue of liberty for example is green rather than bright copper in color. 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.