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Spar Urethane on Construction Pine for Outdoor Furniture

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Forum topic by paxorion posted 175 days ago 485 views 0 times favorited 6 replies Add to Favorites Watch
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paxorion

482 posts in 633 days


175 days ago

Topic tags/keywords: pine finishing

LJs – I am thinking of building 2 of these workhorses and was hoping to use construction grade pine (likely 2×12’s ripped). I am looking to leave the finished product outdoors (uncovered) and wanted to know if spar urethane would be sufficient protection for them if recoated every few years, if a different finish would be better, or if I should like for a more weather-resistant non-PT lumber?

-- paxorion


6 replies so far

View a1Jim's profile

a1Jim

111999 posts in 2164 days


#1 posted 175 days ago

Spar varnish should hold up very well.

-- http://artisticwoodstudio.com Custom furniture

View Lee Barker's profile

Lee Barker

2163 posts in 1437 days


#2 posted 175 days ago

Spar urethane, I just learned on LJ, is not the same as spar varnish. If I recall correctly from a recent discussion, spar urethane does not hold up well outside. I hope one of our coatings gurus can weigh in here and correct me if I’m wrong as well as explain exactly what the OP is looking for.

Kindly,

Lee

-- "...in his brain, which is as dry as the remainder biscuit after a voyage, he hath strange places cramm'd with observation, the which he vents in mangled forms." --Shakespeare, "As You Like It"

View Manitario's profile

Manitario

2245 posts in 1470 days


#3 posted 175 days ago

I haven’t had very good results from “Helmsman” spar urethane, rarely has the finish survived a year without starting to peel. You may want to use a marine varnish like Epifanes, it will last a lot longer!

-- Sometimes the creative process requires foul language. -- Charles Neil

View paxorion's profile

paxorion

482 posts in 633 days


#4 posted 175 days ago

Lee – I’m hoping to apply some sort of finish that will provide water resistance for the workhorses to be left outdoors year around. I’m in Virginia where we see all the seasons, albeit more mild than elsewhere. I’ll look into the difference between spar urethane, spar varnish, and any other outdoor deck sealer that can be an option.

-- paxorion

View gfadvm's profile

gfadvm

10438 posts in 1277 days


#5 posted 174 days ago

The sunlight is what wrecks the Spar urethane. I have had it peel/crack without ever getting wet. The ideal outdoor finish doesn’t exist if you’re looking for maintenance free. My best friend uses some kind of oil on his log home that the log home people recommended and he is happy with it. But he does redo it periodically.

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

View paxorion's profile

paxorion

482 posts in 633 days


#6 posted 174 days ago

Regular maintenance is OK for me. I don’t mind adding to my annual maintenance routine for my deck. I’m mainly concerned with preventing wood rot due to moisture exposure.

-- paxorion

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