WHICH PROTECTIVE COATING IS BEST FOR MY BRONZE? 

We usually recommend a wax coating for sculptural items. The wax acts as a barrier layer and slows the rate at which the surface will degrade. Sculpture that lives outdoors will need the wax coating replacing more often than those located internally. Wax is a traditional finish on sculpture giving a mellow, satiny finish appreciated by artists because it brings out the hues in the bronze to their maximum advantage. We use both micro-crystalline and beeswax blends to maintain sculpture depending on the specific environment and situation.

In some circumstances, sculpture may require a lacquer coating. In these cases, we often use Incralac which contains a corrosion inhibitor and is relatively easy to remove, if required. It is a more robust coating than wax but visually it is not as pleasing. It does scratch easily, if handled by the public, and is not a very suitable coating to apply in situ as the environment is so hard to control and this can result in a compromised finish.

Bronze Behaving Badly book 3D cover

Our book, Bronze Behaving Badly, covers this topic and many more relating to the conservation of bronze sculpture and architectural features.

Find it online or order from bookshops and libraries.

Or, you might prefer to learn by listening in – join us for our podcast episode covering this topic

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