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  1. #1
    Join Date
    Aug 2012
    Posts
    1

    Default refinished wood floor water base poly then oil base poly

    Two many people working on a project... I am refinishing a wood floor. We sanded it, stained it and I used a water based polyurethane for the finish. I had put two coats on but did not have the finish I wanted, so back to the store and picked a 3rd gallon of polyurethane... this was oil based (cans are almost identical)... My husband said he would put the third coat on.. I left. I never looked at the polyurethane. I would have noticed that it was not milky like the water based. We put the oil on top of the water based poly... Do we need to competely refinish the floors... resanding, restaining everything? or will this oil based polyurethane finish be ok.... It is shiny.

  2. #2
    Join Date
    Feb 2012
    Location
    Tacoma WA
    Posts
    87

    Default Re: refinished wood floor water base poly then oil base poly

    I think everything should be good. If you have questions, the manufacture would have the best idea. Personally, I would let time tell you if it works or not.

  3. #3
    Join Date
    Aug 2007
    Location
    Portland, Oregon, formerly of Chicago
    Posts
    1,736

    Default Re: refinished wood floor water base poly then oil base poly

    W4W,

    The water based and oil based urethanes are generally compatible with one another. The biggest concern is getting good adhesion. If they have cured for more than 12 hours, it is generally a good idea to "screen" or scuff sand them to assure adhesion. However, that is water under the bridge now. If the adhesion of your urethane seems to be OK, I would not worry about it.

    Incidentally, I just had my wood floors given a maintenance coat of water based BONA Traffic polyurethane over the original Glitza oil based urethane. They turned out fine.

  4. #4
    Join Date
    Jun 2007
    Location
    Fayette County, Ohio
    Posts
    5,773

    Default Re: refinished wood floor water base poly then oil base poly

    You should only have to worry if the finish looks cloudy, that would be an indication that you have trapped water in the WB finish.

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

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