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Thread: Best Long Term Exterior Finish

  1. #1
    Join Date
    May 2012
    Location
    Campobello Island, N.B. Canada
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    Default Best Long Term Exterior Finish

    Hey Folks, in all your experience, what's the best long term clear 'satin' finish for a large business sign ? This one is made from white pine with minwax oil-based stain and latex paints for color. Thank you all for your dedication to the ..CarveWright Forum

    Dwayne

    sorry for the large file size
    Attached Thumbnails Attached Thumbnails DSC_0056.JPG  

  2. #2
    Join Date
    Apr 2013
    Location
    Cornwall, Ontario, Canada
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    1,343

    Default

    I've thought about Thompson's water seal for decks.........has anyone tried?

  3. #3
    Join Date
    Apr 2013
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    Cornwall, Ontario, Canada
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    Default

    And Dwayne, I've heard about marine varnish, I think from the forum, not sure!

  4. #4
    Join Date
    Feb 2007
    Location
    SouthWest Ohio
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    Default

    I'm no expert, but I've had some experience - it all depends.
    I have an oak house number on the North corner of my house that gets little
    weather and no direct sun, it only has a couple of coats of spar varnish
    and looks great after seven years.

    I have oak front doors that face South-East that gets no weather but gets
    direct sun. The doors need attention every couple of years.

    The ultra violet rays penetrate the spar varnish and affect the wood underneath.
    Since I need to replace my back door this year, I have been checking out my options.
    One website explained what to do, but wood still generally needs attention every couple of years.

    The best advice should come from wooden boat owners - I'm not one.
    Ken,
    V-1, 2, & 3

    When the People fear their Government, there is Tyranny.
    When the Government fears the People, there is Liberty.
    - Thomas Jefferson

    You must be the change you wish to see in the world.
    - Mohandas Gandhi

  5. #5
    Join Date
    May 2012
    Location
    Campobello Island, N.B. Canada
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    Default

    Thanks Zan & Doc, you people must have been reading my mind cause the options you gave were the only two I was thinking bout...after some thought I think I'm gonna go with the marine spar varnish. Soon as it's hanging I'll get a snapshot of it and share it with you folks...Thanks again for all your help.

    Dwayne

  6. #6
    Join Date
    Feb 2007
    Location
    SouthWest Ohio
    Posts
    2,346

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    Ken,
    V-1, 2, & 3

    When the People fear their Government, there is Tyranny.
    When the Government fears the People, there is Liberty.
    - Thomas Jefferson

    You must be the change you wish to see in the world.
    - Mohandas Gandhi

  7. #7
    Join Date
    Dec 2010
    Location
    Coeur D'Alene Idaho
    Posts
    691

    Default

    I'm no expert also, but did some research and found Sikkens Cetol Door & Window satin wood tone & clear finish highly recommended. I used it on a cedar sign that is exposed to full sun and three years later looks as good as when I first put it up.

  8. #8
    Join Date
    Dec 2012
    Location
    Fruitport, Michigan
    Posts
    95

    Default

    I don't do any signs for exterior use or other products right now for exterior use. But I like to read on the subject in case I do. Sometime last year this question was posed either here or on another board. One of the members linked to an interesting web page on clear "paint" not a clear coat varnish or poly. The reviewer gave a great review and did some research on the subject. I wish I had saved the article. You might do a search on clear paint or some variation thereof and see what comes up. I think he was research on how to maintain the color and paint integrity of outside doors. Good luck,

  9. #9
    Join Date
    Feb 2008
    Location
    Tucson, Arizona
    Posts
    2,401

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    Quote Originally Posted by zan29 View Post
    I've thought about Thompson's water seal for decks.........has anyone tried?
    Yes I have. IMHO it isn't that good. It's intended to be a deck sealer but, has to be re-applied every 2 years or so. I've had really good luck with marine spar varnish though. It' really just a heavy urethane with UV light inhibitors and seems to work well.
    Steve

  10. #10
    Join Date
    Nov 2013
    Location
    Houston Texas
    Posts
    33

    Default

    Latex paints? Id be concerned using any type of alcohol based solvents on latex paint...could cause the paint to bubble up and turn to mush I would think....

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