Weather resistant finish for outdoor furniture - Woodworking Talk - Woodworkers Forum
 
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post #1 of 11 Old 03-09-2013, 02:46 PM Thread Starter
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Weather resistant finish for outdoor furniture

We build tables from reclaimed SYP and heart pine.
A recent sale was to a hotel group that wanted to be able to use the tables outdoors.
We generally use Hood pre-cat lacquer for all our products, but I'm lookin' for tips about a finish that will take some outdoor use without causing deterioration.
My big concern is that the sun will cause the resin in the heart pine to exude, crack a finish, etc.
Am I just dreamin'?
Bill
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post #2 of 11 Old 03-09-2013, 03:49 PM
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I would recommend a 2K urethane. It is very hardy, but no matter what you use they will have to be maintained. Another possibility is several coats of Spar Varnish. Personally I like Epifanes, it is spendy, but you get what you pay for.
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post #3 of 11 Old 03-09-2013, 05:04 PM
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I'll suggest untinted paint. Read more here, and then decide. The part that puzzles me is the resin leaching out, not sure of anything will solve that...and i do think it may be a problem. One thing is for sure, whatever you wind up using, it will have to be maintained. The untinted paint will be quite durable, and a little less costly than some of the marine finishes...but it will still need some maintenance over time.

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post #4 of 11 Old 03-09-2013, 05:42 PM
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X2 for epifanes
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post #5 of 11 Old 03-09-2013, 07:55 PM
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I think the Ephifane spar is a good of a exterior finish as you are going to get. It's formulated to use on the deck of a boat.
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post #6 of 11 Old 03-10-2013, 01:59 PM
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I also agree with using a top quality marine exterior finish. Epifanes is about as good as it gets. Be sure to follow all the directions on the label for the longest lasting result.

Let me caution you not to use any urethane of polyurethane finish. The UV in sunlight will rapidly cause the finish to get cloudy, then crack and peel.

Howie..........
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post #7 of 11 Old 03-11-2013, 01:23 AM
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SYP?

I like spar varnish for outdoor projects, but I have finished some Muskoka chairs with just Behr stain, and it stands up well. May not be appropriate for your kind of project.

Cheers,
Roger
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post #8 of 11 Old 03-11-2013, 02:33 AM
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Hello,

I'm another fan of Epifanes marine products, none better IMHO. No matter what you use, the sun and weather will eventually perish the finish and it will require refinishing. Cheers!

Better Woodturning and Finishing Through Chemistry...

Steve Russell
Eurowood Werks Studio
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Last edited by Steve Russell; 03-11-2013 at 08:28 AM.
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post #9 of 11 Old 03-11-2013, 08:33 AM
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Any film finish will sooner or later begin to peel after the UV rays have worked on it for a while. I prefer exterior stains. Exterior stains are available in a wide variety of colors as well as clear. All are UV protected and if you use a semi transparent, will not peel. As on a deck the finish will last 5 to 7 years and can be renewed easily.

Roger from the Great Horicon Swamp
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post #10 of 11 Old 03-11-2013, 08:51 AM
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This may help Bill...

Quote:
Originally Posted by Bill White View Post
We build tables from reclaimed SYP and heart pine.
A recent sale was to a hotel group that wanted to be able to use the tables outdoors.
We generally use Hood pre-cat lacquer for all our products, but I'm lookin' for tips about a finish that will take some outdoor use without causing deterioration.
My big concern is that the sun will cause the resin in the heart pine to exude, crack a finish, etc.
Am I just dreamin'?
Bill
Hello Bill,

There is a way to set the pitch (the resin) in your heart pine timber by heating it to a specific temperature, for a certain amount of time, but it will take some effort on your part. If you do not fancy building your own mini-kiln (there are free plans all over the Internet), you could try and find a local mill that would run your timber through their kiln.

I have used this technique to set the pitch on Pine Burrs that I subsequently turned on the lathe. Here is a link to an article that describes how to do it:

http://www.bcwood.com/wp-content/upl...s-Fir-Pine.pdf

Good luck!

Better Woodturning and Finishing Through Chemistry...

Steve Russell
Eurowood Werks Studio
The Woodlands, Texas
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post #11 of 11 Old 03-11-2013, 12:36 PM
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Roger,

>>>> SYP?

SYP = Southern Yellow Pine, if that was your question.

Howie..........
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