Sanding or scraping (Full Version)

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Vince -> Sanding or scraping (May 29 2017 19:03:09)

I'm working on a Padauk flamenca.
Padauk dust is the hell!
I think I will use sandpaper on the top and neck and only scrape the back and sides with a cabinet scraper, because the red dust is bleeding into the sapwood and bindings.
Any suggestions to avoid this when using sandpaper?

This is a real challenge for the finishing job.
The color is water soluble and alcohol soluble and the sapwood has really huge pores!



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constructordeguitarras -> RE: Sanding or scraping (May 30 2017 3:01:38)

Looks nice, Vince. Perhaps a vacuum cleaner. Or washing with a rag soaked with mineral spirits.



Anders Eliasson -> RE: Sanding or scraping (May 30 2017 6:26:32)

uhhh, Padauk with light colored bindings. Thats not easy. But very beautifull guitar. I hope the padauk wont fade to much with age.
I would find some scratch padauk from the off cuts, glue it together with some off-cuts from the bindings and do some tests including what Ethan wrote. Padauk can really mess up things including your whole workshop. Its very sticky.



Vince -> RE: Sanding or scraping (May 30 2017 7:50:46)

Thank you Ethan and Anders for reply.

Usually I pore fill my guitars the old way with pumice.
On a piece of scrap I have tested some Epoxy with good results. It fills the pores very well and do not dissolve any color from the Wood. It tracks only the dust from the pores around; here the vacuum cleaner comes into play.
But maybe I'll make it all different, let's see!



printer2 -> RE: Sanding or scraping (Feb. 6 2018 2:01:58)

Mask off the pretty red color then shellac the the binding and sapwood from what I recall. I have not used any of my Padauk yet, I don't know how anyone can think the color is not beautiful. Eventually it fades to brown but hopefully hold that off as long as you can.

See, I had so many pages open and I started to go through them to close them I did not realize I had this thread open long enough for the year to pass. I hope the OP figured out his dilemma.



johnguitar -> RE: Sanding or scraping (Feb. 6 2018 7:33:49)

Finiting a hardwood with a scraper is a perfectly viable option but the end result is crisper; almost three-dimensional. Some violin makers have even done this with spruce. Of course you need a an extremely well-sharpened scraper (or glass) and then you need to learn to appreciate that special look that it gets. As with any change from the traditional (like alternative woods) the client tends to be the problem.



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