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topic 59671

Do Architectural Bronze Door Handles Require a Topcoat or Finish?



July 18, 2014

Q. We are in the process of making several historic replications of 8 bronze doors for a building in Toronto Canada.
The doors require pull and push handles which we have made from architectural bronze which are being mirror finished.

59671-1

The architects have asked about putting a finish on these to protect them from tarnishing. I suggested regular maintenance by cleaning with a polish or just wiping them down with window cleaner daily.
If anyone could give a comment on this it would be much appreciated
Thank you
Cameron.

Cameron Forbes
Restoration - Ontario Canada


October 12, 2014

A. Cameron. Bronze, brass and copper Must be protected from exposure to oxygen or result in tarnishing. Traditional response has been lacquer or similar which binds to the metal by Adhesion and can easily be chipped, scratched or broken off.

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Barry Feinman

Barry Feinman
BarrysRestoreItAll
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Carlsbad, California
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October 17, 2014

A. The "traditional" use included a doorman and one of his duties was to keep the brasswork polished. In that way it would eventually acquire a worn and rubbed patina, not exactly reproducible by applying modern anti-tarnish coatings.

However a darkened surface using liver of sulfur and then highlighted by buffing and finally coated with a clear protective lacquer provides a low maintenance imitation, suitable for most applications.

jeffrey holmes
Jeffrey Holmes, CEF
Spartanburg, South Carolina

none
adv.
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