To grain fill, or not to grain fill... - Jemsite
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post #1 of 7 (permalink) Old 04-10-2013, 04:02 PM Thread Starter
 
Join Date: Jul 2011
Location: Saint Paul, Minnesota
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To grain fill, or not to grain fill...

Starting a guitar build soon with a nice piece of African Padauk. I think some of the N4's are made of the same stuff. This piece isn't as porous as other woods I have seen but isn't as smooth as say, basswood. I plan on doing a birchwood casey oil finish. In researching I have found that using this finish, you can use it as a filler and finish but you may need a lot of coats to get it smooth. is it worth it or should I just use filler first? I have only used it on necks until now, but I want this wood to be shown off Thanks all-

PS, I'm not looking for a mirror finish here, if I was I would just clear it.

Last edited by GUITARMAGEDDON; 04-13-2013 at 08:36 PM.
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post #2 of 7 (permalink) Old 04-11-2013, 11:36 AM
 
Join Date: Jan 2009
Location: Canadian in Cambridge, MA
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Re: To grain fill, or not to grain fill...

I can only say that epoxy grain filling is very effective, but a pain in the but. I don't go for mirror finish either, but the deep pores in walnut and rosewood don't give you a nice build unless you fill, or do 10s of coats. I will track down the link for you that I followed.

http://www.lenaweelutherie.info/page...20/page20.html

It only takes 1 or 2 passes with the squeegy and zpoxy to get a nice grain fill. Only catch is i'm not sure that the linseed oil will stick. Nice think about epoxy is that it's pretty much clear, so it doesn't obscure the grain at all. A lot of other fillers have associated colors.

Good luck, and please show some pics when you're done!
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post #3 of 7 (permalink) Old 04-11-2013, 12:06 PM Thread Starter
 
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Re: To grain fill, or not to grain fill...

cool! thanks for that. I should get a pic up of the piece I'm working with. Its not nearly as porous as the piece from that thread.. Might not even be worth it.
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post #4 of 7 (permalink) Old 04-11-2013, 02:11 PM
 
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Re: To grain fill, or not to grain fill...

I remember a mahogany bodied gibson style re-finish that somebody did with tru oil a while back. They didn't bother grain filling, so it didnt look glassy. But it does give it a nice woody sheen. I think that it's a nice finish, but for SUPER porous stuff, maybe it wouldn't be as nice. If you have a scrap you can always try it. I tried 10 coats of clear on the walnut, and it just never really looked good. Tried 1 coat of poxy, then clear, this was much better. Finally, I did 2 coats of poxy, just to make sure you don't miss any spots, then clear... BAM... good to go. If you have scrap, this is a good thing to test.
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post #5 of 7 (permalink) Old 04-11-2013, 02:21 PM Thread Starter
 
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Re: To grain fill, or not to grain fill...

good point. I will try on some scrap first. Thanks for the help with this.. !!
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post #6 of 7 (permalink) Old 04-13-2013, 08:40 PM Thread Starter
 
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Re: To grain fill, or not to grain fill...

so I haven't cut the body yet but I put about 5 coats of tru-oil on a corner that is going to get cut off. Its gonna take a ton of coats to fill the grain.. I see that birchwood casey also makes a wipe on grain filler so I'm gonna order a few bottles since I have to get more tru-oil anyway.
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post #7 of 7 (permalink) Old 04-14-2013, 05:17 AM
 
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Re: To grain fill, or not to grain fill...

Quote:
Originally Posted by GUITARMAGEDDON View Post
so I haven't cut the body yet but I put about 5 coats of tru-oil on a corner that is going to get cut off. Its gonna take a ton of coats to fill the grain.. I see that birchwood casey also makes a wipe on grain filler so I'm gonna order a few bottles since I have to get more tru-oil anyway.
You cant really fill the grain with Tru oil , I've tried many times . The wipe on filler is the best bet and it will save you lots of money and time.
The more TO you put on , the shinier it becomes so the filler is the best bet.
Good luck with the build . Padauk is a wonderful wood.
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