Finish guitar

There are many different types of finishes for guitars and musical instruments in general, but we could say the most used are:

1. Oils and Waxes.
2. Shellac.
3. Nitrocellulose.
4. Polyurethane / Polyester.

1. What is finish checking on guitars?
2. What is the finish on an acoustic guitar?
3. Is guitar finish checking bad?

What is finish checking on guitars?

Finish checking refers to the process of finish cracking that occurs over time due to changes in temperature. A majority of luthiers in the current market use razor blades to achieve a finish checking effect.

What is the finish on an acoustic guitar?

Water based finishes, penetrating oils or natural violin type varnishes are rarely used on standard "production" acoustic guitars, which today are usually finished with shellac, lacquer or a catalyzed polymer. The finish may be a high gloss, completely dull and flat, or somewhere between (“satin”).

Is guitar finish checking bad?

Finish checking has no impact on how the guitar sounds whatsoever. It's only aesthetics. If it sounds great and you can save some money on it do to finish checking, it's great.