Tru-oil finishing

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Tru-oil finishing

Postby Skip Templeton » Sun Jun 26, 2016 5:54 pm

How can I get a nice smooth glossy finish with Tru-oil ? I have applied about 50 coats and it is pretty smooth, but I can't seem to give it a professional shine. I am buffing by hand.
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Re: Tru-oil finishing

Postby Barry Daniels » Sun Jun 26, 2016 6:57 pm

Buffing by hand is difficult to get a high gloss. What type of buff and compound are you using?
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Re: Tru-oil finishing

Postby Skip Templeton » Sun Jun 26, 2016 9:29 pm

I have tried several methods...I have used micro mesh ...FFFF pumice w/a few drops of mineral oil...0000 steel wool...thin coats of half tru-oil and half mineral spirits...
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Re: Tru-oil finishing

Postby Waddy Thomson » Sun Jun 26, 2016 10:03 pm

How glossy do you want it? I was always able to get it to a pretty good gloss right out of the bottle. I wipe on, very thin with no wiping off, then let dry a few hours, lightly sand back, then re-coat. No more than 3 to 4 coats a day. Build for a few days then wet sand back with Micro Mesh. Finish up with Meguire's Swirl Remover and then Show Car Glaze.

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Re: Tru-oil finishing

Postby Bryan Bear » Sun Jun 26, 2016 10:28 pm

That's nice looking Waddy! That is as good as I have seen a Tru-oil finish.
Is that the sycamore that bent itself into a guitar?
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Re: Tru-oil finishing

Postby Eric Knapp » Sun Jun 26, 2016 11:10 pm

Waddy Thomson wrote:How glossy do you want it? I was always able to get it to a pretty good gloss right out of the bottle. I wipe on, very thin with no wiping off, then let dry a few hours, lightly sand back, then re-coat. No more than 3 to 4 coats a day. Build for a few days then wet sand back with Micro Mesh. Finish up with Meguire's Swirl Remover and then Show Car Glaze.

That looks great, thanks for the tip. I'm planning on using Tru-Oil on my first finishing attempts. Do you mean these for the swirl remover and the show car glaze?

http://www.meguiarsdirect.com/product/swirl-remover

http://www.meguiarsdirect.com/product/show-car-glaze-16oz

Thanks,

-Eric
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Re: Tru-oil finishing

Postby Waddy Thomson » Mon Jun 27, 2016 10:13 am

Those are the ones. I might mention, that I did not use the Tru-Oil to fill the pores on the Walnut guitar. No pores on the Sycamore. Using the Tru-Oil to fill the pores takes more coats and more aggressive sanding back on the early coats.
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Re: Tru-oil finishing

Postby Rodger Knox » Tue Jun 28, 2016 2:06 pm

I agree with everything Waddy says, and I've done quite a few TruOil finishes.
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Re: Tru-oil finishing

Postby Skip Templeton » Tue Jun 28, 2016 9:42 pm

Looks great! Swirl remover, then Show Car Glaze. I'll try it. Thanks
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Re: Tru-oil finishing

Postby Barry Daniels » Wed Jun 29, 2016 2:57 pm

Keep in mind that swirl remover is a very fine, finishing type of polish, to be used after a coarser type of compound. And the show car glaze is basically a wax without any type of polishing grit. So you need to have the finish already buffed to a good gloss before you go to either of these products.

If you need a good general purpose buffing compound to bridge the wide gap between fine sanding and the two finishing products mentioned, I would recommend Meguiar's Ultra-Cut Compound #105. It is an extra heavy cut compound that can take a surface sanded to 1200 grit up to a high gloss.
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Re: Tru-oil finishing

Postby Waddy Thomson » Wed Jun 29, 2016 10:37 pm

I generally wet sand from MicroMesh 2400 to 12000 before using the Swirl Remover.
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Re: Tru-oil finishing

Postby Skip Templeton » Fri Jul 01, 2016 9:03 pm

Thanks very much for the tips.
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Re: Tru-oil finishing

Postby Dennis Duross » Sat Jul 09, 2016 9:01 pm

Waddy:
Are you using Tru Oil on the soundboard as well, or are you French polishing it?
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Re: Tru-oil finishing

Postby Waddy Thomson » Sat Jul 09, 2016 10:29 pm

When I use it, I use it on everything. It's not my first choice finish though. First choice is French polish using Royal Lac.
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Re: Tru-oil finishing

Postby Dennis Duross » Sun Jul 10, 2016 8:24 am

Is that because it's not as protective/durable as FP? Because it sure sounds faster, and it obviously looks great. Am assuming it would be easy to touch up and rejuvenate too.
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Re: Tru-oil finishing

Postby Waddy Thomson » Sun Jul 10, 2016 10:30 am

No, I'd say it's, most likely, more protective than French polish, but it's, in my opinion, more fiddly to get right. I find French polish to be pretty easy to get done, and usually faster than Tru-Oil to complete. The Royal Lac seems to solve the durability problem, somewhat, but has it's own drawbacks with regard to touching up old finishes, as once cured, it is no longer alcohol soluble.
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Re: Tru-oil finishing

Postby Jason Rodgers » Mon Jul 11, 2016 1:12 pm

I've used Formby's Tung Oil Low Gloss on four electric guitars, and I've been very happy with the results. I sand to 320, do a coat of Zinsser's Seal Coat shellac (no pore/grain fill), knock it back with 0000 steel wool, then just wipe on the oil with folded pads of t-shirt. For the front and back, I'll do swirly patterns, then long swipes. Each coat goes on very thin, and I've done as many as seven but as few as four coats, no sanding flat between, with as little as an hour between coats. Every surface gets the oil, including the fingerboard. After drying for several days, I'll buff by hand with a dry piece of t-shirt. Considering that it's called "low gloss," I was surprised by how clear and glossy it does look. For the back of necks, I'll knock off the gloss with the 0000 steel wool, and I did that on the body of one guitar, too, for a matte finish.

These guitars haven't been played much or very hard, so I can't speak for the sweat/alcohol/blood/etc resistance, but an oil finish like this doesn't really create a "shell" (at least at the thin-ness of the application I'm using). In other words, there really isn't much scratch/dent resistance, and the finish is only as strong as the wood beneath it. For the ease of application and touchups, and for allowing the grain and character of the wood to show (if that's your thing), then it's great.

I'm definitely going to use it more, though I've been following the General Finishes thread that Chuck started, and I'll give the High Performance or EnduroVar a try on my next. I'm doing my homework on compatibility of different paints and dyes first and will test on scrap.
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Re: Tru-oil finishing

Postby Ben Fowle » Sat Sep 24, 2016 3:04 am

Barry Daniels wrote:Buffing by hand is difficult to get a high gloss. What type of buff and compound are you using?


What sort of buffer do you use?
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Re: Tru-oil finishing

Postby Barry Daniels » Sat Sep 24, 2016 2:21 pm

I am now using two pneumatic mini buffers. I have both a random orbital and a rotary. Different compounds like one or the other. The microfiber pad works great for Meguiar's 105 compound and the soft blue foam pad is used with 3M finishing compound.
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Re: Tru-oil finishing

Postby Eric Knapp » Sat Sep 24, 2016 2:33 pm

Barry Daniels wrote:I am now using two pneumatic mini buffers. I have both a random orbital and a rotary. Different compounds like one or the other. The microfiber pad works great for Meguiar's 105 compound and the soft blue foam pad is used with 3M finishing compound.

Where does one find those mini buffers? What is the brand and are their other brands to look for too? What size air compressor is required?

Thanks,

-Eric
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