Snding procedure before finishing

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Dave Bagwill
Posts: 5951
Joined: Tue Dec 13, 2011 7:44 pm

Snding procedure before finishing

Post by Dave Bagwill » Tue Sep 21, 2021 12:33 am

So - what is your method and what are your materials for sanding the body before applying a finish?
Any tips/tricks you've learned along the way?
Maybe one or two of you could give a step-by-step of what you do.

Edit: Wow, did I set the internet on fire with this question? lol
Not a big deal.
-Under permanent construction

Herman
Posts: 1685
Joined: Sun Dec 30, 2012 1:20 pm
Location: Arnhem area, the Netherlands
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Re: Snding procedure before finishing

Post by Herman » Wed Sep 22, 2021 11:29 am

This is roughly my way:

-filling all the gaps with wood dust and epoxy.
-scraping all flush
-sanding with P180 and P320
-All by hand
-pore filling with Z-poxy first and sand back to the bare wood.
-Oily wood seal with shellac sanding sealer
-pore filling a second time and lightly sand flat. (do not touch the wood)
-After that up to the finishing process

Herman
Posts: 1685
Joined: Sun Dec 30, 2012 1:20 pm
Location: Arnhem area, the Netherlands
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Re: Snding procedure before finishing

Post by Herman » Wed Sep 22, 2021 11:32 am

And for Dave: You cannot go viral with the term "Snding"

Dave Bagwill
Posts: 5951
Joined: Tue Dec 13, 2011 7:44 pm

Re: Snding procedure before finishing

Post by Dave Bagwill » Thu Sep 23, 2021 2:55 pm

And for Herman: Bite me.
Hahahahahahahahahahahahahahahahaah

Anyway thanks....
-Under permanent construction

banjopicks
Posts: 21
Joined: Thu May 10, 2018 7:02 am

Re: Snding procedure before finishing

Post by banjopicks » Tue Sep 28, 2021 1:41 pm

Herman wrote: Wed Sep 22, 2021 11:29 am This is roughly my way:

-filling all the gaps with wood dust and epoxy.
-scraping all flush
-sanding with P180 and P320
-All by hand
-pore filling with Z-poxy first and sand back to the bare wood.
-Oily wood seal with shellac sanding sealer
-pore filling a second time and lightly sand flat. (do not touch the wood)
-After that up to the finishing process
You have gaps :lol: :twisted:
"pore filling a second time and lightly sand flat. (do not touch the wood)" Why not sand back to the wood? I'm no expert, I just want to know your reasoning, I may learn something.
I'm just about to start finishing my first guitar and first instrument that will require pore filling so I'm looking for schooling.

Herman
Posts: 1685
Joined: Sun Dec 30, 2012 1:20 pm
Location: Arnhem area, the Netherlands
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Re: Snding procedure before finishing

Post by Herman » Fri Oct 01, 2021 11:38 am

Well, if you sand to the bare wood, but you leave any trace of ZPoxy, it will show in the finish.
If you go that way you have to sand quite deep and open up new pores.
Either way, or you sand deep, or you leave a tiny layer of Zpoxy. I do the latter and my finishes get compliments.
Several ways to skin the cat.
Herman

peter havriluk
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Joined: Sun Jul 29, 2012 12:30 pm
Location: Granby, CT

Re: Snding procedure before finishing

Post by peter havriluk » Sat Oct 02, 2021 10:26 am

At the risk of making an apples-to-oranges confusion....

I apply, and blocksand after each application, back to wood, two coats of z-poxy. After blocksanding the second application, I wipe on a thin layer of z-poxy, let it set, sand off the fuzz without (or restore if I broke through) removing the epoxy, and proceed with Minwax rattle-can lacquer. I want the wood fully sealed with z-poxy before I start applying the lacquer, which I blocksand between coats. When I run out of shiny spots after sanding, I apply my final coat of satin lacquer. No buffing, walk away. Works for me, but I try not to count the days involved.
Peter Havriluk

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