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Top finish for my curly maple box

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Forum topic by RandyTsuch posted 12-31-2013 04:29 PM 1594 views 2 times favorited 22 replies Add to Favorites Watch
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RandyTsuch

52 posts in 1127 days


12-31-2013 04:29 PM

Topic tags/keywords: question

I’m basically a newbie at woodworking. I’ve done little bits here and there, but this is the first time I gotten “serious” about it. And this is my first time working with curly maple. I was surprised, and quite happy at the results so far.

Finishing so far has been Dark Vintage Maple trantint diluted with water. Applied lots of the mixture to the wood, and then let dry and then sanded down to 320 grit.

Applied one coat Sealcoat dewaxed shellac, mixed 50/50 with denatured alcohol. Applied one more coat of Sealcoat at full strength.

That’s it, so far. I’m now trying to decide what I should do for the final finish.
Should I just use some normal blonde shellac, or maybe using Deft gloss clear wood finish?

I have a small sprayer I just bought, but was thinking about just using something from a spray can for now to make it easier.

This box will be one of a two piece audio tube amp. There will be one tube in here, it will get a little warm inside but should not get too hot. I’m putting a metal screen over the top and will have vent holes in the bottom.

Randy

-- Randy, Los Angeles/Brentwood, Ca


22 replies so far

View Finisherman's profile

Finisherman

227 posts in 1309 days


#1 posted 12-31-2013 05:18 PM

First of all, good work on the box. Deft wood finish would be a good choice, or you could simply keep applying the sealcoat until you’re happy with the finish. The only downside to using the sealcoat is that it’s thinner than the premixed orange or blonde shellac that you buy in the store. In this case, you can compensate by applying a few more coats.

View Clint Searl's profile

Clint Searl

1533 posts in 1821 days


#2 posted 12-31-2013 05:51 PM

Rattlecan lacquer. NOTHING else is required.

-- Clint Searl....Ya can no more do what ya don't know how than ya can git back from where ya ain't been

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RandyTsuch

52 posts in 1127 days


#3 posted 12-31-2013 05:52 PM

One issue I am having with the sealcoat is that I am not getting a real smooth finish. I’m using a paper towel to apply it, and I’m probably getting dust from the paper towel in the shellac. For now, I smoothed it out with 000 steel wool.

I guess I could make a test piece from a scrap piece, and try the deft over the seal coat and see how it looks.
I already bought some deft, so maybe I’ll try that first.

-- Randy, Los Angeles/Brentwood, Ca

View CharlesNeil's profile

CharlesNeil

1610 posts in 3331 days


#4 posted 12-31-2013 06:13 PM

Randy,

A light scuff sand with some 800 to 1200 paper to smooth and slick , and a couple of coats of DEFT .. and it will be superb.

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RandyTsuch

52 posts in 1127 days


#5 posted 12-31-2013 06:19 PM

OK, thanks the the replies and advice. Deft it is.

My next step is actually to hopefully to add dovetail miter keys to the corners, probably a couple in each corner to add strength and I like the way they look.

After that, another coat or two of shellac so everything looks consistent and I’ll try a couple coats of Deft and see what happens.

Randy

-- Randy, Los Angeles/Brentwood, Ca

View gfadvm's profile

gfadvm

14940 posts in 2150 days


#6 posted 01-01-2014 02:24 AM

I would use some t shirt materiel rather than the paper towels to rub on more shellac. Sand with 320-400 grit lightly before rubbing on more shellac.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

View AandCstyle's profile

AandCstyle

2562 posts in 1717 days


#7 posted 01-01-2014 02:59 AM

One person told me that Deft darkened considerably after a few years. I don’t know if that is true or not, but you might want to research further. FWIW

-- Art

View RandyTsuch's profile

RandyTsuch

52 posts in 1127 days


#8 posted 01-01-2014 07:07 PM

So it turns out that there are two kinds of Deft “Clear Wood Finish”

One type is a nitro cell lacquer. I think this would yellow over time.

Other type is a waterborne acrylic, which is the one I have at this time.
I wouldn’t think an acrylic would darken over time, but I could be wrong about it.

So is the waterborne Deft OK?

Another factor is I live in Los Angeles, and have to deal with low VOC laws. There are finishes I would like to use that I can’t, they can’t sell or ship them to LA.

I also read some finishes have been reformulated for low VOC, I saw that finishes people used to like were not as good after the new version came out.

So waterborne Deft, or is there something better I could use?
Since this is a small box, I don’t mind buying something else, as long as it’s sold in quart sizes.

Randy

-- Randy, Los Angeles/Brentwood, Ca

View Fred Hargis's profile

Fred Hargis

3927 posts in 1953 days


#9 posted 01-01-2014 07:47 PM

Waterbornes do not darken/turn yellow over time. If that is the deciding factor, it will work fine. It’s a little more durable than the lacquer as well. I want to also mention what a nice job you did getting that grain to show, well done! Be aware, the wood itself may change color over time and there’s not really much you can do about that.

-- Our village hasn't lost it's idiot, he was elected to congress.

View RandyTsuch's profile

RandyTsuch

52 posts in 1127 days


#10 posted 01-02-2014 03:02 PM

Any disadvantages to water based acrylics?

I remember seeing a wood whisperer’s video spraying it, and I thought water based didn’t look as nice as normal lacquer for bringing out the grain, but I used shellac for that purpose.

BTW, I am going to sacrifice an old T for the final shellac layer, after I finish the corners of my box, and will use some fine grit sandpaper after to make it smooth, and see how that works out.

Thanks to all who have replied and helped me out.

Randy

-- Randy, Los Angeles/Brentwood, Ca

View Fred Hargis's profile

Fred Hargis

3927 posts in 1953 days


#11 posted 01-02-2014 03:16 PM

All clear waterborne finishes are acrylics, even when they call themselves something else. “Polyurethane” is the most common mislabeling, but some call themselves “lacquer”. For one reason or another (thank you, Norm) woodworkers flock to a finish called “poly”. Noticing this, manufacturer’s started adding a small amount of urethane resins to their waterborne finishes, and then labeling them “polyurethane”. No more misleading than labeling something “Tung Oil” when it doesn’t have a drop I guess, but the point is that the waterbornes are primarily an acrylic finish and they share a common chemistry.

-- Our village hasn't lost it's idiot, he was elected to congress.

View CharlesNeil's profile

CharlesNeil

1610 posts in 3331 days


#12 posted 01-02-2014 04:35 PM

Having used Deft for about 40 years .. I have not noted any significant yellowing as compared to other nitro lacquers .

Randy you want the “clear wood finish”, its a nitro solvent lacquer , not water base .

Fred is totally correct .. most of the Waterbases are Acrylics .. Some of the Modified oil water base products are exceptions, but Acrylic is the dominate resin. There is more hype and mis-information surrounding finishing products … You would think it was government run. Unbelieveable .

View RandyTsuch's profile

RandyTsuch

52 posts in 1127 days


#13 posted 01-02-2014 07:36 PM

Charles,
So you are talking about this stuff
http://www.deftfinishes.com/trade/products/lacquer-topcoat-sealer/clear-wood-finish-brushing-lacquer Nitro Lacquer

My local HD only carries the water based stuff, will need to see if I can find the nitro lacquer around here.
Looks like I need to find the blue can, water based is in a green can.

Randy

-- Randy, Los Angeles/Brentwood, Ca

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RandyTsuch

52 posts in 1127 days


#14 posted 01-02-2014 08:38 PM

Well I can’t find Deft lacquer at HD or Lowes or the HW store close to my work.
Will try OSH and an Ace on the way home.

Deft started in LA, so why can’t I find their lacquer?

Seems strange the I might have to resort to mail order to get it.

Randy

-- Randy, Los Angeles/Brentwood, Ca

View Fred Hargis's profile

Fred Hargis

3927 posts in 1953 days


#15 posted 01-02-2014 09:40 PM

Lacquer is very hazardous, and the green police may be why you can’t get it. The hazardous part may well keep you from getting it on line as well. Shipping could be a real problem.

-- Our village hasn't lost it's idiot, he was elected to congress.

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