My wood floor was sanded and refinished by the previous owner. I need
to redo one section in the middle of the room that has splintered.
Previous owner doesn't remember, and I honestlty cannot tell, if he
used water-based or oil-based polyeurathane. Any definitive way to
If it is fairly new, just look at the wood. water based goes on water
clear. Oil based give a mellow yellowish tinge to the wood. I fit is very
old, it may be darkened anyway. As the original owner if it stunk up the
house for a day or two? If so it is oil based.
That's my problem: the hardware store said I must not use water based
poly over oil based. I'd rather use water because I have kids and the
smell is a killer. Are you suggesting that there are some water-based
polys out there that can adhere to oil-based finish? If so, I'd be
interested to know.
Once dried it doesn't much matter what the vehicle of the original
coating was. Oil or water, it needs to be sanded prior to applying
another top coat of either oil or water poly.
Your real problem is that raw wood finished with oil poly will look
different from that finished with water poly. If it were me, I'd try
a bit of each on a small area adjacent to the existing finish, remove
the one that doesn't match (when dry) and refinish with the one that
Alcohol might be a remover for water base, it is for latex paint. Call
Poly manufacturers I think the store employee is wrong, The finish is
cured and you can use anything as long as you clean and sand it.
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