Some customers are fearful that the living finish will be more maintenance or it will turn out undesirable. Waxing the surface can preserve the shine, or you can leave the newly untreated metal to develop a new patina, how exciting!. Patina on a sink can be removed with a metal polish or mild acid such as lemon juice or vinegar. Applying a special wax that does not contain polish or cleaners (such as beeswax) can slow the change in patina similar to how an automotive wax protects the finish of your car. There are several different ways you can slow down the patina process. If you wish to mitigate it, this is often possible to a certain extent. If you admire a living finish, the care and maintenance will be fairly simple. You can anticipate your product to have its own “character” and appreciate the uniqueness in color and tone between two identical products in different environments. The constant changes due to limitless factors are admired by some and not so admired by others. If you have a copper sink and expose the metal surface to certain acids such as those found in lemon juice, you will actually dissolve some of the patina.
Cleaning products and other household chemicalsĪll the elements and conditions listed above and more will work together with time to coat the metal surface with a unique patina.Some factors include but are certainly not limited to Every finish application and environment is different. However, the darker the patina is to start with, generally the slower the changes are over time.Įnvironmental factors specific to your home and chemicals that may be exposed to the surface of your sink are the great unknown. In choosing a medium, dark, or oil-rubbed finish you still have a living finish that will evolve. In creating these finishes, the metal has likely been exposed to a chemical bath and or heat causing a reaction with the metal and changing its color. If you choose a copper sink that has a medium, dark or oil-rubbed finish heat and/or chemicals have been applied to speed up and mimic the aging process. So, what happens to the metal finish over time? The answer depends your finish choice and how the patina is applied when the sink is made, the environmental factors involved in your home, how much it is used and the type of care and maintenance you have decided to go with. With uncoated brass, nickel silver, bronze, and copper the patina or oxidation process occurs more rapidly. Nickel is also occasionally referred to as “non-living finish,” though nickel will patina or “tarnish” as well. However the surfaces of these products can also dull over time depending on the environmental factors involved and how well they are cared for. Stainless steel products are often referred to as “non-living”.
In effect many of the artisan crafted copper, brass, nickel silver and bronze sinks are not sealed and will have a true living finish. However, these coatings (PVD, powder coating and others) are more difficult to apply to a larger surface area such as that of a sink and require a mass production manufacturing process. Faucet and drain manufacturers generally address this issue with coatings that protect the metal surface from environmental factors preventing the patina or oxidation of the finish. The term “living finish” comes up most often regarding copper sinks. Over time, the finish will oxidize with use, adding more character and uniqueness to your custom piece. Without an added protective coating, these materials are allowed to age gracefully in their natural state in what is referred to as the living finish.
A living finish is often a much sought-after look when buying a copper, brass, bronze or nickel silver sink.
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