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  1. #1
    Join Date
    Jun 2009
    Posts
    3

    Default Polyurethane vs water based varnish

    The local library is installing a brand new ,custom made, expensive, oak front door....which type of varnish is best in terms of protection and duration....poly (Sikkens) or water based? Thanks

  2. #2
    Join Date
    Aug 2007
    Location
    Portland, Oregon, formerly of Chicago
    Posts
    1,583

    Default Re: Polyurethane vs water based varnish

    Bobill14,

    I don't have empirical data to back up my position, but speaking from years of experience, I prefer the oil based urethanes over the water based. From a painters point of view, they are easier to apply and result in a harder, smoother, more durable finish.

    The one advantage of the water based over the oil is that the water based is crystal clear and remains so with age. All oil based varnishes have a slight amber tone. If you are using a very light or white based stain, this amber tone can distort the final color. I have also seen it used over a blue stain and a distinct greenish look resulted!

    Make sure you are using the exterior version of urethane with UV blockers in it.

  3. #3
    Join Date
    Jun 2007
    Location
    Fayette County, Ohio
    Posts
    5,557

    Default Re: Polyurethane vs water based varnish

    I agree with Ordjen, I prefer an oil based exterior poly.

    Jack
    Be sure you live your life, because you are a long time dead.-Scottish Proverb

  4. #4
    Join Date
    Jan 2009
    Location
    Cleveland, OH
    Posts
    11

    Default Re: Polyurethane vs water based varnish

    Spar Varnish. 5 coats. then every 18 months recoat it
    A collection of efficient painting methods, painting tips, outstanding tools and product reviews at Hidden Content and jackpauhl.blogspot.com

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