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Forum topic by Lt_scout posted 05-11-2020 04:37 PM 177 views 0 times favorited 6 replies Add to Favorites Watch
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Lt_scout

47 posts in 1377 days


05-11-2020 04:37 PM

Topic tags/keywords: question

Hey guys, I’m prodcuing a line of outdoor artist pochade boxes for painting outdoors. It’s basically a platfrom that sits on a camera tripod used by artists to layout paint and suspend their panel or canvas. It’s a multimedia support for watercolor, oil, pen and ink.

I’ve made these in the past using Watco Danish Oil and it’s held up well. But knowing UV will hit this product hard what would you use?

-- When you know you can do more with less, you will require less to do more.


6 replies so far

View Heyoka's profile

Heyoka

58 posts in 659 days


#1 posted 05-11-2020 04:58 PM

I would use water or oil base spar poly…..

-- Heyoka

View LesB's profile

LesB

2575 posts in 4249 days


#2 posted 05-11-2020 05:02 PM

So I just had to look up “pochade boxes” before I could answer. Obviously I’m not an artist.

There are several oil based finishes besides Danish Oil that will work about as good as any thing for that purpose. BLO, Tung oil, processed Walnut oil to name some. Tung oil cures slower than the others.
If you want something a little more durable I would use an exterior grade Poly which has UV protection added. There are also exterior varnishes, aka Marine Varnish. Both can be used over cured oil finish if you need the oil to bring out the color of the wood first.

-- Les B, Oregon

View Rich's profile

Rich

5698 posts in 1396 days


#3 posted 05-11-2020 05:28 PM

General Finishes Outdoor Oil is excellent and easy to apply. Give it two or three coats. If you want to go with a waterborne product, their Exterior 450 is good and comes in a range of sheens (Outdoor Oil is pretty glossy at first).

-- Half of what we read or hear about finishing is right. We just don’t know which half! — Bob Flexner

View Mike's profile

Mike

121 posts in 1506 days


#4 posted 05-12-2020 04:13 PM

I was also going to recommend General Finish’s Outdoor Oil varnish or water-based Exterior 450. Both have UV inhibitors and enough oils to “flex” in sunlight and warm temperatures without cracking. GF makes excellent products of all varieties and is readily available in stores. (Not affiliated, just a satisfied customer.)

-- Reasoning will never make a Man correct an ill Opinion, which by Reasoning he never acquired. --Jonathan Swift (1721)

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Lt_scout

47 posts in 1377 days


#5 posted 05-12-2020 04:31 PM

Wow, what great info, thanks so much guys!!! to all of you…Heyoka, LesB, Rich, Mike. Upon further research, I discovered that a respected 10 year maker of this product is using an oil/varnish “similar to Watco” but he doest say what brand. These are not in the weather, just periodic exposure to mostly sun. The oil/varnish allows the artist to replenish the finish over time with another coat of Watco or linseed oil to bring back finish and feel. I think I’ll start here rather than reinvent the wheel… If you know of something superior to Watco Im all ears, im in Canada

-- When you know you can do more with less, you will require less to do more.

View OSU55's profile

OSU55

2651 posts in 2796 days


#6 posted 05-13-2020 03:54 PM

With limited outdoor exposure I would use regular oil based poly thinned 1:1, and apply the same as danish oil. If desired build a thin film with wipe on application beginning with the 3rd coat. If finished “in the grain” like do, future touch ups can be done just like do. The advantage is a much tougher finish. Can color with oil based dye – the colored do’s I’m aware of use pigment not dye. Dye is much preferred.

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