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Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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Finishing Products for Copper Patina on Roof

2000

I wish to give my new copper roof on my bay window a green or blue-green patina.

Please explain what products are available. I understand one supplier has both a green patina product and a blue-green patina product. He also has a cleaner and topcoat sealer. Another supplier just has a green patina producing product and does not recommend a sealer.

Can you make a recommendation.

With Best Regards,

Chuck Winkler
- San Pedro, California, USA

2001

Incralac
(brass lacquer with benzotriazole)

on eBay or

Amazon

(affil links)

Any bronze foundry can give you the manufacturer of patina products name and number. I am a professional patinea and make my own patina. I don't recommend that you do this. I do recommend that no matter what the product says about sealing, that you seal it anyway with a 1/4 to 3/4 mixture of lacquer thinner ⇦ this on eBay or Amazon [affil links] Warning! highly flammable! and Incralac ⇦ this on eBay or Amazon [affil links] . A bronze foundry can give you the name of a manufacturer for this also. It should be applied with a ⇦ this on eBay or Amazon [affil links] . Hope I have been of some help.

Michele Smith
- Mason, Texas

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