I have oak strip flooring in my kitchen and foyer. The kitchen is finished with a gloss oil-based poly. The foyer with a satin water-based poly. The differences between the two are significant with a more amber cast in the kitchen than the natural look of the oak in the foyer. [Neither floor is stained] But the sheen seems to be the most significant difference. Rather than refinish the foyer can I get away with putting down a gloss oil-based poly on top of the water-based finish?
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If both finishes are from the same manufacturer, call, if from different ones, call them both. I used to sell finishes for floors but water-based was just getting started so my experience is more with oil based. I do fiinish furniture with water based and as you have already discovered, water base is much clearer, hence no amber tint. On a small surface like a talbe top, it is not a problem to change the sheen, but a floor is much more difficult. Be sure that the finish is cured before doing anything and this can take a month or more. Good luck!
john
It's not a good idea, Ben. You would very likely have adhesion problems -- however, if you do decide to go that route then do a patch-adhesion test before you commit to the whole floor.
Coat a small area and when it has thoroughly dried [7 days should do it] stick a strip of duct tape across it and leave that there for a couple of days. Rip off the tape and check there has been no separation of the finish.
BTW, the amber cast to the kitchen floor is caused by the yellowing of the oil-based poly
IanDG