If you want to put a water borne poly over an oil stain in most cases you can.
Can you apply polyurthane water base over oil base floor.
Use 220 grit sandpaper and sand enough to dull the existing gloss but not enough to impact the stained color of the wood.
You can also use mineral spirits.
With a little bit of extra time and preparation you can apply the oil based finish right over the water.
High quality water based polyurethanes is considered by many homeowners flooring professionals to be equally durable.
You just need to make sure the oil is dried.
If you wait for the oil based stain to properly dry cure it s no longer oily.
What keith and jason and steve said are all correct.
Oil based poly can last around 10 years.
I just finished a wood floor with oil based polyurethane.
This is because the curing process for oil is polymerisation and polymerised oil is akin to resin.
Oil based used to be unquestionably more durable.
Never ever put a water based finish on top of an oil based finish.
Ensure that you remove dirt grease and wax from the surface by scrubbing the surface using a wood cleaner or de glosser.
Not only acceptable to use a water based finish over and oil finish รข provided you do.
Luckily there are ways around this when it comes to applying finishes.
Rent a power buffer and buy a fine 150 grit screen.
Can i apply water based polyurethane over an oil based stain.
However you must buff sand the entire floor to break the existing gloss and completely remove the sanding dust before application.
I use the general finish high performance polyurethane top coat.
You ll have to lightly buff the old finish with a power buffer to prepare it for the new polyurethane.
Today though water based polyurethane has evolved with better formulations that are equally durable as oil based polyurethane.
You can apply water based polyurethane over oil based as long as you set suitable conditions for this to happen effectively.
If you already laid down a water based finish and decided to go for an oil based one do not fret.
Products like parks water based polyurethane for floors can be applied over oil based poly.