Piano polishing: how do you do that?
To polish your piano without causing damage to the finish or the instrument itself, you must first go through the basic guidelines for cleaning a piano. It is also very important to keep the wood off the keyboard; there are special methods for cleaning piano keys. Before polishing your piano, you need to know if it is finished with polymer or varnish. These two surfaces need to be polished differently to prevent damage or irreversible imperfections.
Lacquer vs polymer/polyester
- Lacquer: Lacquer is most common on North American pianos and will resemble most other wooden furniture. Usually you see the wood grain under the finish and the surface seems easily scratchable. Most problem statement: a waxy build-up is common in lacquer finishes, as well as a softening of the paint. Varnish can also dry out very quickly depending on the cleaning pattern and local weather.
- Polymer (or polyester): Polyester finishes are hard and are usually dark and reflective. It's annoyingly easy to find fingerprints and the wood grain hard to see. Common Annoyances: Polymer finishes are rarely dull and can well maintain against spills, deep scratches and dents. However, that same stubborn shine can also reveal tiny flaws, and improper cleaning can cause a pattern of hairline scratches to take over the surface of the piano.
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