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Anyone use untinted base paint as a substitute for spar varnish?

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Forum topic by dhazelton posted 03-18-2012 10:56 PM 3329 views 3 times favorited 28 replies Add to Favorites Watch
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dhazelton

1264 posts in 1041 days


03-18-2012 10:56 PM

Topic tags/keywords: finishing

Like the question says – I have to sand and clear coat a wood door that faces southwest and has no overhang protection, so the sun, rain and snow beat it pretty badly. Customer is disappointed that the last guy’s job didn’t even last 2 years, and I believe he used a Cetol product. I just read that using an untinted base paint will outlast varnish because it has more UV inhibitors. Any one have any experience with this?


28 replies so far

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GrandpaLen

1586 posts in 1017 days


#1 posted 03-18-2012 11:29 PM

I have not personally had any experience with this product for that application.
I can suggest that you go to Charles Neil’s site lumberjocks.com/CharlesNeil or go to his home page on this site and drop him a note. There are probably many others here that could help you , but being new to this site I’m not certain.
I have watched a few of his video clips and he may have the answer you’re looking for.

Good Luck.

-- Mother Nature should be proud of what you've done with her tree. - Len ...just north of a stone's throw from the oHIo, river that is, in So. Indiana.

View Radu's profile

Radu

299 posts in 1788 days


#2 posted 03-19-2012 12:06 AM

There was another discussion here a while ago about outdoor finishes. Someone did mention about using untinted base paint. He had to snatch it from the guys in the paint department at HD as they wouldn’t sell like like that.

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dhazelton

1264 posts in 1041 days


#3 posted 03-19-2012 12:16 AM

I’ve found enough positive input on it to try it. There’s a small family owned paint store that I can go to who will probably sell me a quart. I’ll let you know if it works, at least how it looks and goes on.

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Radu

299 posts in 1788 days


#4 posted 03-19-2012 02:20 AM

Here is another discussion: http://lumberjocks.com/topics/8120. See post #5 (if you haven’t seen it yet).

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fussy

980 posts in 1795 days


#5 posted 03-19-2012 08:00 AM

It works great. It looks murky when opened, but dries absolutely clear. It has more uv inhibitors than spar, which has very little. Spar is a long oil that is made to be flexible. It really has almost no value for uv inhibition. Untinted base, however, is made to survive outside so it is loaded. In any paint you choose, the more you pay, the more you get. This is the one area I have found where this is an absolute fact of life.

-- Steve in KY. 44 years so far with my lovely bride. Think I'll keep her.

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dhazelton

1264 posts in 1041 days


#6 posted 03-19-2012 06:31 PM

I had read that link Radu. I went to the paint store and described what I wanted and the salesman told me in 35 years of working there he had never heard search a thing. I said ‘can we put some base on a stick and dry it?’ He was astonished that it turned out clear and sold me the quart telling me to come back a couple years down the road and tell him how it worked. I had done some pine screen frames for this same customer last June with Helmsman (I don’t know why he wanted varnished pine -eye of the beholder) and they were starting to fail when I saw them today.

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Radu

299 posts in 1788 days


#7 posted 03-19-2012 06:40 PM

Thanks for the update. Let us know how your project comes up and how it holds down the road.

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dhazelton

1264 posts in 1041 days


#8 posted 03-22-2012 09:22 PM

I’ll say one thing, it looks incredible. Can’t remember the brand but it’s an oil base that was close to $20 a quart, an industrial paint that I once picked up in black to paint my truck frame. I wouldn’t hesitate to recommend it to anyone.

View Bill White's profile

Bill White

3580 posts in 2705 days


#9 posted 03-22-2012 09:45 PM

Just be aware that ANY finish exposed as you stated will not be a long lived finish. Spar, clear spar, poly yada, yada, will need to be refreshed. EL SOL will prevail. Just don’t get into a situation that will give ya a “don’t know squat” problem. Even the best nautical finishes require constant upkeep.
Just my thoughts.
Bill

-- bill@magraphics.us

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dhazelton

1264 posts in 1041 days


#10 posted 03-23-2012 11:02 AM

I know that. The problem with this door is that the old finishes darkened and the stain they kept from last time wouldn’t blend in. I had to custom mix different stains with some black to get things to look passable. Mine was the first refresh of an antique door they had dipped and finished from bare wood. It will never look like that again. BUT – the cost was the same to try this, so try I did. If they get more than a year and a half out of it (like the old finish) they will be ahead.

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Fred Hargis

2032 posts in 1238 days


#11 posted 03-23-2012 11:24 AM

That has been my go to outdoor clear finish for the last 10 years or so…ever since I first read that Jim Kull article. I bought the Olympic #5 at Lowes, and as someone mentioned it was a challenge; Skippy Stockgirl told me that can’t sell it untinted, so I snuck a can out and bought it. It will have to be renewed over time, but it will likely outlast anything except maybe some of the true marine spar varnishes.

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

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dhazelton

1264 posts in 1041 days


#12 posted 03-23-2012 02:14 PM

Just checked the can – Coronado Industrial oil base. Does anyone remember Carver Tripps Liquid Glass? That was milky looking like this and had the exact same glass like feel when you ran your hand over it.

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terdferguson

5 posts in 575 days


#13 posted 05-22-2013 12:12 PM

very interesting post

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terdferguson

5 posts in 575 days


#14 posted 05-22-2013 12:13 PM

would like to find out more

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terdferguson

5 posts in 575 days


#15 posted 05-22-2013 12:13 PM

getting to 5 posts

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