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Patina 500 sq. ft. copper clad elevator shaft

We have clad a three story elevator shaft with 20 oz. copper and would like to patina it. It was built in two stages so half has aged 1 year and the other half is shiny. Any ideas?

Barry VanRiper
Construction project manager - Washington, DC
September 3, 2009

Well, it depends on the patina you are looking for. If you wish to artificially age it then you can go with the standard Miracle Grow treatment, the fact that one part is older than the other shouldn't be a problem, it will all turn greenish.
Now if you are after a more advanced finish, beyond just oxidizing the finish you need to be more specific about what you want to do to it.

Marc Banks
Blacksmith - Boone, North Carolina
September 6, 2009

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