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Piano Finish
Posted by Henry in MI on October 13th, 2003 07:42 PM
In reply to piano refinish: Black by john Glen on October 13th, 2003 08:36 AM [Go to top of thread]
John, your piano is probably finished with black lacquer. You can go to http://wickswww.freeyellow.com/ and check out the "Tips" section on the right side of the page for an article titled "Refinishing 101". This will give you some general basics and tell you the procedure for checking to see what the finish is.
If it is lacquer, you will find that this is a very easy and forgiving finish to work with. The downsides are that lacquer is very flammable and there is not much film build so you will have to spray many coats to end up with the same paint thickness that you get from 1 coat of something like a polyurethane.
If the test confirms that it is lacquer, I would wipe down the wood with naptha to remove wax and dirt, mask the keys and pedals and other parts that will not be painted, and shoot more lacquer. One of the beauties of working with lacquer is that, since lacquer thinner is the solvent, new coats stick easily and well to old coats of lacquer. Every few coats, you can sand or wet sand to achieve a new and deep appearing finish. That's kind of the short version but with allowances for sanding and cleaning, should give you the basics for a renewed finish. Please do remember that you will be working with flammable chemicals and ones that can foster spontaneous combustion. Please read and follow the instructions on the package labels and be careful.
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