“Dear Sir, A few months ago I placed my first order with you and built my very first guitar. Ovangkol back and sides with sitka top. I have been a craftsman for a number of years, rebuilding antique pianos, including making new soundboards and bridges, and decided to try my hand at guitars after buying a Taylor 814ce. The results of my first attempt were surprising, to me and to others. Since I'm a bit "old-school" I built it entirey by hand, no table saw, router, joiner etc. (I did use a driss press!). I have already received requests for custom made guitars, and from a store interested in selling them. It really helped to find quality supplies, all in one place, so I could start this experiment - which may just turn out to be my next and final career. Many Thanks. ps. I have just placed a second order so I can start making a few more......”
We'd been hearing rumors that Z-poxy Finishing Resin was a great filler and sealer, but it was luthier Tim McKnight who wrote and insisted that we carry it. It is the filler of choice in Robbie O'Brien's finishing DVD as well.
Z-poxy is used much like our System Three epoxy filler. It's great advantage is that it is much more forgiving when it comes to mix ratios. With the System Three filler, we recommend using a digital scale to get the ratios right, but with Z-poxy, you can "eyeball" it. The only disadvantage (some consider it an advantage) is that it is not 100% clear and will add a subtle amber warmth to the color of the wood.
APPLICATION: Simply apply, as thinly as possible, across the grain with a squeegee or old credit card. Press the Z-poxy into the pores, allow to dry overnight and then sand with 400 grit paper. Apply a second (or third) coat until you have a perfectly flat surface. The last coat can be thinned with alcohol and wiped on with a towel. The alcohol will evaporate leaving a glassy surface. Be sure you do NOT sand to the bare wood when sanding. Then finish with de-waxed shellac, lacquer or urethane.
NOTE: Though no builders have reported adhesion problems to date, O'Brien recommends using a coat of shellac between the Z-poxy and the top coat for added insurance and always test on scrap when using new products. Z-poxy can be thickened with our FST1Q Silica thickener or it can be thinned with alcohol.